Fiscal 1999 research and verification of geothermal energy ...

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Summary

i m m------------------------------------------------------i -1 mmm- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

i -1 -1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1-2 ........................................................

1. immmm •—................................................2. ............................................

i - 2 ........................................................i-2-i ....................

1. ........................2. - - - - - - - - - - - - - - - - - -

1-2-2 ------------1-2-31-2-4 mm, *m, ••

i - 3 nftjftimmM ....................................................1-3-1 m ........................

i. Yv-z'yT.j-kmwt ................2 . iftfamtini ............................................................3. mm•mm ............................................................

1-3-2 ¥$ll^MH<Df&m<DMm ................1. ................2. ............................................................3. mm•mm ............................................................

CD mtimmmm ............................................(2) (3) h

i - 4 ---------------------------------------------1-4-1 W — Zi/T,?-.1-4-2 .......................1-4-3 mm • mm .......................

iiiii12 2 234456 6 678 9 9

101010101112121212

II. ####8------------------------------------------------------------------------------------- 14ii-i 14ii-i-i 14

1. 142. H

ii-1-2

i

ii — 2 ---------------ii — 2 — i § ------- ------------------------ii-2 -2 —.....................ii — 2 — 3 m'gmmm ...............................

i. v ■•••■•...2 . iftfaMtint --------------------------------3. Mtit • mm --------------------------------

ii-2- 4 fflftfflmm -----------------------1. ±mm ----------------------------------------2. --------------------------------

ii - 3 .......... .......................................II — 3 — 1

1. •••••■(i) mtmfe&omwt, wwommm ■—(2> TDR±m7kftm<Dmm .....................

2. m tint wife -----------------------------------(1) fc&tfzntinttkfe(2) B*m$iffimz&ttz>mtinm%. -

3. mmm& —.........................................(1) -------------------------------- --------------

(2) --------------------------------------(3) t'-ttukmmm --- - - - - - - - - - - - - - - - - - - - - - - - - -(4) ...................................(5) mn^rntm .......................................

4. mtmfe ..................................................(1) ..................................................(2) --------------------------------------(3) ---------------------------(4) ...................................(5) mtmmnm% ............................

5 . STzklSiJ/M ..........................................(1) ..................................................(2) -------------------------------------------------

(3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6. ...............................................

(1) mms# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -(2) --------------------------------------o) --------------------------------------

171717171718 18 20 20 22 25 25 25 25 25 25 30 33 39 39 394546 67 93 939394 96

127129129129211211216216217

1 . ^'T>l/fftW — ----------------------------------------(1) —.......-....—(2) -----------------------------------------------------

(3) ■*8t#®AS --------------------- -----------------(4) ftlllal^ ---------- -------------------------------------

II — 3 — 3 • Httili ---------- -----------—-------------------1. BtrSimf .....-..—.....—.....---------------------------

(1) -------(2) —--- ---------- --------------------------

2. #em*iim&©#M -.... —........--------------- ----—

(1) &#ft--------- --—-----------(2) —............ ....... —----------(3) f©m©sai:z6#j^mm©m&A&cMf

3. E@»bX t V-vy^-y^ • --------------(1) ii------------------------------(2) 5 J. \y — y 3 > -------------- -------------------(3) l/ill tX h V -Wf y'/ -------------------------------(4) 16±ICt3lt^a*'$tott* -..... ---------------------

231231232 232 239 265 265 265 265 265 265 271 280 287287288 290 307

111. if till -.. . . -. . . .—--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --- - - - - - - - - - - - - - - - - - - - - - - - - -........ — 313HI - 1 -Ii )l SI & * y hV--') -> X v- A #S* -... . .. .. .. .. . ..... . . .. . .. . .. . .. . .. —... ........ 313III-2 l)i|Ai.|Ul,lt ...... —... ............... -......-............ 313III-3 Hfflr • .M-fflii ..... -- - - - - - - - - - - - - - - - - - - - - --- —... .—--- - - - - - - - - - - - - - - -- -.... -.. - 313

HI-3-1 BAE8iie#f....... ....—-- ----------------------- -......------------ 313III - 3 - 2 ffiVSm./J«7i£ii;©tfc,i't -................... -......--- --------- 314III-3 - 3 tf@*tX t 'J-V ■ gitPfl) .... . . . . . . .. ...... ..... ...... . . . . . 314

IV. 4-EfflE® - - - -... . . . . - — —.... . . . — —....... . . . . .. . .. . .. . .. .... -... . . . . . . . - 315IV- 1 .rujifllto* -y h - ...... .......................- - - 315IV-2 J>L|A|.|Uj,it ...... ........... ...—... ............................ ..—.. ........... .......... 315IV- 3 mvi- M ........ .......-....-.....—....... -..-----------..-.... —.......—........- 315

iv- 3 -1 a*$imf----------- ------------------ --—...—.............. 315IV - 3 - 2 -... ........................ ................. .......-................. 316

1-3-3 ----------------------------- 316

V. Hfcto -... . . . . . —... . . . . . . . . . . . . . . . -. . . . . . . . . . . . —... . . . . . . . . . . . . . . . . . . . . . . . . .. -.... . . . . . . . .... -.. . . . -. . . . - 319-- - - - - - - - - - - - - - - - --- -- -- -- -- - - - - —.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ -.. —... . . — 321

#*6*44 ----- - - - - - - - - - - - - - - - - - - - - - - - - - - --... . . . ....... .... -...... -.. —... -... . . . . . . . . . . . . . . . . . . .- 327- - - - - - - - - - - - - - - -—.... . . . -.. —-- - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - 329

#*X#C .. -.. . . . .—... . . . . . . -.. . . . . . -... -.. . . . . —... . . . . -.. --- -------- - -.... . . . . . . . . . .. -. . . . . -.. . . . . 331

— Ill —

0SB&

SII-3-1-

Fig. II -3-1-2

mii-1-10 ...................................................... i6Fig. II - 1 -1 Concept of Development of Technology for Reservoir Mass and

Heat Flow Characterization

mi-3-i-im ..................................... 21

Fig. II -3-1-1 Location map of groundwater level monitoring wells and

gravity stations.

- - - - - - - - - --- - - - - - - - - - - 31Location map of the gravity stations in Tsukuba

Calibration Range.

SI II-3-1-30 35Fig. II -3-1-3 Results of the gravimeter calibration.

mu-3-1-40 GPsmm&m&vis'omAffimm ............................................... 4iFig. II -3-1-4 Location map of GPS measurement site and leveling route.

mu-3-1-50 43Fig. II -3-1-5 The exterior of the gravity monitoring facility.

mil-3-1-60 GPS^&&##fk: AN0.9##(I99?mj^) 47Fig. II -3-1-6 Ellipsoidal height change at station No.9 in 1997.

mil-3-1-70 GPS#W##rK: j; (1998^) 48Fig. II -3-1-7 Ellipsoidal height change at station No.9 in 1998.

mil-3-1-80 GPS^##(: j;^#j^ANo.3125(D#M#:#(D^<b (1999mj^) 49Fig. II -3-1-8 Ellipsoidal height change at station No.3125 in 1999.

mil-3-1-90 GPSSMjmm^EcD^t'f......-................................................................. 51Fig. II -3-1-9 An examination for the optimum length of GPS survey term.

mu-3-MO0 59Fig. II -3-1-10 Determination of elevations at reference stations for leveling

mil-3-1-110 SMSJ0 (l997m^##~1998mjM#) ................................... 69

Fig. II -3-1-11 Elevation changes from November 1997 to May 1998.

mil-3-1-120 ##M0 (l998m^##-1998mj^M#) 71

Fig. II -3-1-12 Elevation changes from May 1998 to August 1998.

mii-3-i-i30 ##^#0 (i998m^m#~i998m^##)................................... 73

Fig. II -3-1-13 Elevation changes from August 1998 to November 1998.

mil-3-1-140 SMS/0 (I998m^##-1999mj^##) ................................... 75Fig. II -3-1-14 Elevation changes from November 1998 to May 1999.

mu-3-i-i50 &0 (i999mj^##-i999mj^m#)................................... 77

Fig. II -3-1-15 Elevation changes from May 1999 to August 1999.

mil-3-1-160 SMSJ0 (l999mM#~1999mj^%W) ................................... 79

Fig. II -3-1-16 Elevation changes from August 1999 to November 1999.

— iv —

81SII -3-1-17®

Fig. II-3-1-17

HII -3-1-18®

Fig. II-3-1-18

BII-3-1-19®

Fig. II-3-1-19

mi -3-1-20®

Fig. II -3-1-20

mi -3-1-21®

Fig. II-3-1-21

mi -3-1-22®

Fig. II-3-1-22

mi -3-1-23®

Fig. II -3-1-23

SII -3-1-24® Fig. II-3-1-24

#11 -3-1-25®

Fig. II -3-1-25

i§II-3-1-26®

80

Fig. II-3-1-26

SII-3-1-27® 81

Fig. II -3-1-27

SII -3-1-28®

Fig. II-3-1-28

SII -3-1-29®

Fig. II-3-1-29

SII-3-1-30®

Fig. II -3-1-30

SII-3-1-31®

##^B® (1997SJ^#(#~1998SJ%M#) .................................

Elevation changes from November 1997 to August 1998.

MM® (1997S^##~1998SM%#) ................................. 83Elevation changes from November 1997 to November 1998.

##^B® (1997SJ^##~1999SJ^##) 85Elevation changes from November 1997 to May 1999.

##^#® (!997SJ^#(#~1999S^m#) 87Elevation changes from November 1997 to August 1999.

® (1997SJ^#(#~1999S^##) 89Elevation changes from November 1997 to November 1999.

-------------------------------------- 97Gravity change at the gravity station No. 1995

relative to the First Order Gravity Station "Aizu-Wakakamatsu”

(zk###i#No.l, m±l#ÂNo.87) .. . . . . . . . 103Results of patrol gravity measurement at the monitoring well site No.l

(Gravity Station No.87).

(2k###i#No.2, m±l#jÂNo.92) .. . . . . . . . 105Results of patrol gravity measurement at the monitoring well site No.2


(tMuIm#N0.3, smj^no.48)........ 107Results of patrol gravity measurement at the monitoring well site No.3


(^{&m#*No.4, m±i#ÂNo.2046)...... 109

Results of patrol gravity measurement at the monitoring well site No.4


(ymmmttNo.s, mtimfe&No.ins)..... m

Results of patrol gravity measurement at the monitoring well site No.5


(7MuE$J#No.6, m±#jÂNo.41) 113Results of patrol gravity measurement at the monitoring well site No.6


(zk#E#i#No.7, m±#jÂNo.58) 115Results of patrol gravity measurement at the monitoring well site No.7


mtimmmfe&R (7k{&E#*No.8, ...... inResults of patrol gravity measurement at the monitoring well site No.8


(7k{5Eil#No.9, @±f#JÂNo.l29) ...... 119

Fig. II -3-1-31 Results of patrol gravity measurement at the monitoring well site No.9


BII-3-1-320 (%K###j#No.lO, m^#^ANo.l30) - -... 121Fig. II -3-1-32 Results of patrol gravity measurement at the monitoring well site No.10


BII-3-1-330 mtl'MIfc'M feting ............................................................................... 125Fig. II -3-1-33 Results of continuous gravity measurement at the gravity station No.2125.

BII-3-1-340 (1997^^#-1998^^##, 137Fig. II -3-1-34 Gravity changes from from November 1997 to May 1998

(before elevation correction).

BII-3-1-350 (l9984^##~19984^m#, tiims IE In) ......... 139Fig. II -3-1-35 Gravity changes from from May 1998 to August 1998


BII-3-1-360 S*^lJ0 (I9984#m#~19984fg##, ###IEmj) ......... 141Fig. II -3-1-36 Gravity changes from from August 1998 to November 1998


BII-3-1-370 S*M0 (19984^1999^##, ###8#) ......... 143Fig. II -3-1-37 Gravity changes from from November 1998 to May 1999


BII-3-1-380 (l999BM#~19994^m#, tSMJElu) ......... 145Fig. II -3-1-38 Gravity changes from from May 1999 to August 1999


bii-3-1-390 mtj&mm (1999^19994^##, #msiE#).......... 147Fig. II-3-1-39 Gravity changes from from August 1999 to November 1999


BII-3-1-400 S^$J0 (l997fFMW~19984^m^, SiMJEE) 149Fig. II -3-1-40 Gravity changes from from November 1997 to August 1998


BII-3-1-410 mtl&mm (1997^##~19984^##, 151Fig. II -3-1-41 Gravity changes from from November 1997 to November 1998


BII-3-1-420 mtl&Wjm (19974^#(#~1999^#^, SMlElu) ......... 153Fig. II -3-1-42 Gravity changes from from November 1997 to May 1999


BII-3-1-430 (1997^##~1999^M#, ###IE#) ........ 155Fig. II -3-1-43 Gravity changes from from November 1997 to August 1999


BII-3-1-440 (l997^g#<#~19994^##, 157Fig. II -3-1-44 Gravity changes from from November 1997 to November 1999


— vi

159

I

fill -3-1-450

Fig. II-3-1-45

fill-3-1-460

Fig. II-3-1-46

fill-3-1-470

Fig. II-3-1-47

fill-3-1-480

Fig. II-3-1-48

fill-3-1-490

Fig. II-3-1-49

fill -3-1-500

Fig. II -3-1-50

fill-3-1-510

Fig. II-3-1-51

fill -3-1-520

Fig. II-3-1-52

fill -3-1-530

Fig. II-3-1-53

fill-3-1-540

Fig. II -3-1-54

fill-3-1-550

Fig. II-3-1-55

fill -3-1-560

Fig. II-3-1-56 fill-3-1-570

Fig. II -3-1-57

fill -3-1-580

(I997^jg##~1998f^##,

Gravity changes from from November 1997 to May 1998

(after elevation correction).

m±f^#0 (i9984###~i998#mm#,

Gravity changes from from May 1998 to August 1998


Gravity changes from from August 1998 to November 1998


(i998#j^##~i9994^##,



S*^SJ0 (1999#J^##~1999#J^M#,

Gravity changes from from May 1999 to August 1999


mtsmmm d999^jgm#-i999#m##,Gravity changes from from August 1999 to November 1999


d997^j^##-i998^mm#,Gravity changes from from November 1997 to August 1998


(I997itgikm-1998itgikm,Gravity changes from from November 1997 to November 1998


#±^#0 (1997^##~1999^##,



m±)^#0 d997fm#(#~i999^m#,Gravity changes from from November 1997 to August 1999


Mtl&m (19974^##~1999^##,

Gravity changes from from November 1997 to November 1999

(after elevation correction).......—...................................

Gravity changes in production zone (Chinoikezawa district).

mmmtigmm ('t-.mwi- .wm) ....................—Gravity changes in production zone (Ohyasuzawa district).

m^) ...............

161

163

165

167

169

171

173

175

177

179

181

183

185

— VII —

Fig. II -3-1-58 Gravity changes in production zone (neibourhood of 6T site).

fill-3-1-59®

Fig. II-3-1-59

fill -3-1-60®

Fig. II-3-1-60

fill-3-1-61®

Fig. II-3-1-61 fill-3-1-62®

Fig. II-3-1-62 fill-3-1-63®

Fig. II-3-1-63

fill -3-1-64®

Fig. II-3-1-64 fill-3-1-65®

Fig. II-3-1-65 fill-3-1-66®

Fig. II -3-1-66 fill-3-1-67®

Fig. II-3-1-67 fill-3-1-68®

Fig. II-3-1-68

fill-3-1-69®

Fig. II-3-1-69

fill-3-1-70®

Fig. II-3-1-70

#11-3-1-71®

Fig. II-3-1-71

#11-3-1-72®

Fig. II-3-1-72

#11-3-1-73®

Fig. II-3-1-73

II-3-1-74®

II-3-1-74

II-3-1-75®

II-3-1-75

II-3-1-76®

.......................................

Gravity changes in production zone (Sarukurazawa district).

.........

Gravity changes in production zone / reinjection zone

(neibourhood of P2 site).

.......................................

Gravity changes in reinjection zone (Oizawa district).

mmmti&mm m) ......................................Gravity changes in surrounding area (Sunagohara district).

mmmtimmm orawi-MSO .......................................Gravity changes in surrounding area (Gojohjiki district).

mmmtimmm ......................................Gravity changes in surrounding area (Makizawa district).

.....—...... -..-...-.....

Gravity changes in surrounding area (Kubota district).

Gravity changes in surrounding area (Kabuchu district).

usa«ts-«n*-;r)................. ....—.......Gravity changes in surrounding area (Yuyagisawa district).

----------------------- ------

Gravity changes in surrounding area (Yotsuya district).-......-............................................................................-

Gravity changes in surrounding area (Ohtani district).

*KS'je*$i6ia oaa«s-*itK-iR) ..................................-

Gravity changes in surrounding area (Ohnarusawa district).

..............................................................................

Results of continuous groundwater level measurement

in the monitoring wells........—..........................-....................................—...........................-............................

Results of patrol groundwater level measurement in the monitoring wells.

• nu • • ju**®).......................Results of meteorological measurements at the gravity station

No.2125 and No.48.

189

187

191

193

195

197

199

201

203

205

207

209

214

218

220

T D R ±...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221Results of TDR water content measurements at the gravity station No.2125

T D R W r h .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223Layout of TDR equipments.

£ &TDR±J$2k#^©^fb

— vm —

225

I

Fig. II-3-1-76

#11-3-1-770

Fig. II-3-1-77

#11-3-2-10

Fig. II-3-2-1

# II-3-2-20

Fig. II-3-2-2

#11 -3-2-30

Fig. II-3-2-3

#11-3-2-40

Fig. II-3-2-4

#11-3-2-50

Fig. II-3-2-5

#11-3-2-60

Fig. II-3-2-6

#11 -3-2-70

Fig. II-3-2-7 #11-3-2-80

Fig. II-3-2-8

#11-3-2-90

Fig. II-3-2-9

#11 -3-2-100

Fig. II-3-2-10

#11 -3-2-110

Fig. II-3-2-11

#11-3-2-120

Fig. II-3-2-12

#11-3-2-130

Fig. II-3-2-13

#11-3-2-140

Fig.II-3-2-14

#11 -3-2-150

Fig. II-3-2-15

#11-3-2-160

Fig. II -3-2-16

II-3-2-170

(1999# SmiB-1999# 8 £ 120)

Change in TDR water content due to rain fall (Angst 11-Angst 12, 1999).

(1999# 8 mm-1999# 8 £120) ... . . 227Change in precipitation and grountwater level (Angst 11-Angst 12, 1999).'> ^ a y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233Vertical structure of reservoir simulation grid.

y KCD7k¥^lP]CD^jiS .... . . . . . . . . . . . . . . . . . . . . . . . . . . . 234Horizontal structure of reservoir simulation grid.

h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235Shuttle-type borehole gravimeter.

Ht t?<D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236Concept of borehole gravity measurement.

tri#I5@0 ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237Well location map.

(15T#) .................................................. 241

Gravity changes after production-start along the well 15T.

(21T#) .................................................. 243

Gravity changes after production-start along the well 21T.

(23P#) .................................................. 245

Gravity changes after production-start along the well 23P.

(19R#) .................................................. 247

Gravity changes after production-start along the well 19R.

i>x. asm)----------------------- -.-...... 249Vertical gravity difference after production-start along the well 1ST.

£en66®©tru*jsaee*a urnt)---------------------- -..... 251

Vertical gravity difference after production-start along the well 21T.

(23P#) .............................................. 253

Vertical gravity difference after production-start along the well 23P.

4SS6a^©trU*l$6SS*3 (19R#) --- ------------ ---..... ............. 255Vertical gravity difference after production-start along the well 19R.

(i5T#)................................. 257

Changes in vertical gravity difference after production-start

along the well 15T.

$SS8SE®taPl3$6ite*S©$«J (21T#) ----------- -. 259Changes in vertical gravity difference after production-start

along the well 2IT.

(23P#) ...... 261


along the well 23P.

09r#)------------------ 263

— ix —

Fig. II-3-2-17

^11-3-3-10 Fig. II-3-3-1

mil-3-3-20 Fig. II-3-3-2

mil -3-3-30 Fig. II-3-3-3

mil-3-3-40 Fig. II-3-3-4

mil-3-3-50 Fig. II-3-3-5

mil-3-3-60 Fig. II-3-3-6

mil-3-3-70

Fig. II-3-3-7

mil-3-3-80

Fig. II-3-3-8

mil-3-3-90 Fig. II-3-3-9

mil-3-3-100 Fig. II-3-3-10

mil-3-3-110 Fig. II-3-3-11

mil -3-3-120

Fig. II-3-3-12

mil-3-3-130 Fig. II-3-3-13

mil-3-3-140

Fig. II-3-3-14

mil-3-3-150

Fig. II-3-3-15


along the well 19R.

No.sac##am#it#--------- 26?

Comparison among gravity change, groundwater level change and

change in TDR watar content at monitoring well site No.5.

Effect of precise tidal correction and barometric correction

on continuous gravity record.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 272Location map of VGG measurement point

> h 27sPlots of gravity difference against height above ground showing the variation in VGG from site to site.

— 279

Histogram showing frequency distribution of measured VGG values at Yanaizu.#J^ANo.l995C^(j-^@±i#tCDmm F V 7 h ............................... 282Short term drift in gravimeter readings observed at gravity station No.1995.

................................................................................... 283

Effect of gravimeter calibration.......................... 284

Random noise caused by vibration on continuous gravity record.

................................. 285

Effect of barometric change on seasonal gravity survey results.

y h'W77 h................................................... 289Grid layout of reservoir model

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293Natural state temperature distribution at layer 1, 2 and 3

U J 295Natural state temperature distribution at layer 4, 5 and 6

1/ -f -V-7~9t:#(:f:& 297Natural state temperature distribution at layer 7, 8 and 9

6t#¥«J6»SS t ^ >S6©J:fc6t ----- 299(19R, 29R, OA-6, ITT)

Comparison of interpreted and simulated temperature for 19R, 29R, OA-6

and ITT

e;#¥«16jesj$k 5 3- v—> a .... - 301(06T, 1ST, 24P, SR-1)

Comparison of interpreted and simulated temperature for 06T, 1ST, 24P

and SR-1

I

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^ O. L/-'> 3 >m±it<Dkm ------------ 303

Comparison measured pressure and simulated natural state pressure

(£S#14T, 1ST) ------------------- 305

Results of enthalpy matching for 14T and 15T

....................................................................... 309

Comparison of measured and simulated gravity change after 3 years operation

(W^-6, 7, 9)------------------------------------------------ 311

Simulated gas saturation after 3 years operation (layer 6, 7 and 9)

................................................................................... 20

Research Task of Gravity Monitoring.

....................................................................... 21Schedule of Gravity Monitoring.

mM ....................................................................... 24Schedule of Development of Gravity Monitoring.

mm-&m- 29List of the gravity stations built, restored or removed.

------------------------- -...-... 37

List of the gravimeter calibration results in Tsukuba Calibration Range.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ssList of the gravimeter calibration results based

on the measurements at JGSN96 gravity stations.

cp sammmmmwa —.......... -....—...—............-.. soSummary of GPS baseline analysis.

(1999$ 53

List of elevations determined by the leveling in spring 1999.

L^;i/$JMhJ<;l|-Jg# (1999$ JM#) ................................... 55List of elevations determined by the leveling in summer 1999.

(1999$^##) 57

List of elevations determined by the leveling in autumn 1999.

SElSE ................................................................................... 61

Summary of the elevations of gravity stations in Yanaizu-Nishiyama

geothermal field since 1997.

siw-ssb-wa —... . . . . . . -. . . . . . . . . . . . . . . . . . . . . . . . . . . . . —....—.... . . . . . . . . . —.. 9iList of elevation changes.

rfUjflli -B# 99List of the gravity in Yanaizu-Nishiyama geothermal field since 1997.

— xi —

mu-3-i Table II

mu-3-1

Table II

mil-3-1

Table II

mil-3-1

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mu-3-3

Table II

mu-3-3

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mil-3-3

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-3-1-14

-3-3-1

-3-3-2

-3-3-3

-3-3-4

-3-3-5

-3-3-6

........................................................................ 102

List of patrol gravity measurement results at the monitoring well sites.

----------------------------------------------------------- 130List of gravity changes.

....................................................................... 212

Summary of continuous groundwater level measurement results.

............................................................... 229

Summary of precipitation recorded at continuous gravity monitoring facility.

....................................................... 266Correlation between gravity change and groundwater change.

Baytap-Gl: 268Results of tidal analysis by BAYTAP-G.

)i ................................. 269Tidal model in Yanaizu-Nishiyama geothermal field.

(%&ll^m) 275List of VGG measurement results (1999) .

...................... 277Range of values for VGG measured in different parts of the world.

^ 291Formation properties, boundary and initial conditions used in natural state

simulation.

Table V-l

V -21Table V-2

.......................................... 321

Summary of Development of Gravity Monitoring (FY 1999)...................... 323

Results and Plans of Development of Gravity Monitoring

— x 11 —

Development of Technology for Reservoir Mass and Heat Flow Characterization- Monitoring and Modeling of Reservoir Mass and Heat Flows -

Theme 2 : Gravity Monitoring

Development of Technology for Reservoir Mass and Heat Flow Characterization- Monitoring and Modeling of Reservoir Mass and Heat Flows -

Theme 2 : Gravity Monitoring

Summary

I -1. Purpose of researchThe purpose of this research is development of techniques that advance reservoir

simulation with the history matching of gravity monitoring data for reservoir mass changes

with production of geothermal fluid.

I -2. Research task

I -2-1.Development of gravity monitoring system

Gravity monitoring for reservoir mass change with production of geothermal fluid is carried

out in Yanaizu-Nishiyama geothermal field, Fukushima pref., Japan. To grasp gravity changes associated with groundwater level changes , continuous measurements of gravity and

groundwater level at monitoring well sites are operated in the survey area.

I -2-2. Analysis and evaluation of gravity monitoring data1. Preliminary study on the precise gravity survey method

Evaluation for the precise gravity survey method is carried out using field survey data

corrected in Yanaizu-Nishiyama geothermal field.2. Reservoir history matching and simulation

Reservoir history matching between gravity observation date in the field and calculations

with “a gravity post processor” is carried out to update the reservoir model that made of

history matching with temperature and/or pressure data.

I -2-3. Borehole Gravity Meter

The applicability of borehole gravity measurement on geothermal reservoir monitoring is

examined through numerical simulation and field test.

I -3. Summary of research results

I -3-1. Development of gravity monitoring system

(1) Maintenance of the monitoring facilities

Two gravity stations were removed or restored.

Water content reflectmeter is installed to evaluate the gravimetric effect of water contents in

a)

vadose zone. It was installed at the monitoring well site No.5 and has been operated since July1999.

(2) Gravimeter calibration

The gravimeter calibrations were carried out in Tsukuba Calibration Range of

Geographical Survey Institute. Calibration factors for Scintrex CG-3M gravimeters were

determined by these operations. To improve the precision on the calibration factors to be

determined, Additional gravimeter calibration was conducted on the route through from

Hokkaido to Okinawa. According to the test results, calibration factors of the gravimeters have been changing slowly since 1997.

(3) Continuous measurements of gravity and groundwater level and Bi-weekly gravity

measurement at the monitoring well sites.At monitoring well site No.5, Continuous measurement of gravity and groundwater

level have been conducted. At the other nine monitoring well sites, continuous gravity

measurements of groundwater level have also been conducted. At these sites, Bi-weekly

gravity measurements have been carried out.(4) Seasonal gravity survey

To keep up the stable observation of gravity change, a new Scintrex CG-3M

gravimeter was installed in this fiscal year. Three seasonal gravity surveys were conducted in April, July and October.

(5) GPS measurement and Leveling

Leveling was carried out with seasonal gravity surveys to monitor the elevation change

at each gravity station. In the same term as leveling, GPS measurements were conducted

at GPS station at well site No.5. Height change of the station was calculated by baseline

analysis with GPS data corrected at three observations GEONET station of Geographical Survey Institute.

According to the results, it is concluded that averaging of 5-7 days of the ellipsoidal heights may be effective in stabilizing the GPS measurements.

I -3-2. Borehole gravity meterBorehole gravity response was calculated using density change distribution model

derived from latest reservoir simulation for Yanaizu-Nishiyama geothermal field.

The results shows that gravity changes expected at wells in production zone are larger

more than ten times of gravity change at a well located in injection zone.

I -3-3. Analysis and evaluation of gravity monitoring data 1. Analysis of gravity data

(1) Effect of shallow groundwater level change

Correlation between groundwater level changes and gravity changes were examined

at ten monitoring well sites. In some wells, gravity changes were correlated very well

with groundwater level changes.

(2)

(2) Effect of density change in vadose zone

Using the data recorded by water content reflectmeter at the monitoring well site

No.5, changes of water content in vadose zone were monitored precisely. Relationship

between changes of the water content and groundwater level change after rainfall was

understood. At the monitoring well site No.5, because permeability in vadose zone is

assumed very high, the changes of water content in vadose zone should be correlated

with gravity data as well as groundwater level changes.

2. Precise gravity measurement(1) Vertical gravity gradient

Local variation of vertical gravity gradient is larger than expected. The error due to

local variation of vertical gravity gradient is negligible with small elevation change

because the error expected to be about 5 pgal maximum for 10 cm of elevation change.(2) Precise tidal correction

A tidal model was established using eight months of gravity data by the tidal analysis

program “BAYTAP-G”. Precise tidal corrections were applied to all the gravity data

corrected in this project using the tidal model. Seasonal gravity survey results after the

precise tidal correction shows gravity changes correlated with the production suspension

due to the maintenance of power station facilities in 1998.(3) Study on noise reduction method

Errors due to short-term drift of gravimeter, change in gravimeter calibration

factors, vibration of gravimeter and barometric pressure change were examined. Noise

reduction methods for these errors were summarized.

3. Reservoir history matching and simulation

I -4. Future subjects

I -4-1. Development of gravity monitoring system(1) Gravity measurement at the monitoring well sites

To examine the effect of seasonal groundwater level change on the gravity

measurement, gravity measurement should be continued at the monitoring well sites.

The measurement interval can be expanded to three weeks.

Quantitative evaluation for the correlation among gravity change, groundwater

level change and change of water content in vadose zone is recommended.

(2) Seasonal gravity surveyTo grasp long-term gravity change relates with steam production, gravity survey

covering whole survey area should be continued at least once a year. Because the

production suspension is planned in next fiscal year, a few times of gravity survey

concentrated around the production zone with shorter interval are recommended to grasp

short-term gravity change related with changes of production. Additional continuous

(3)

gravity measurement is also recommended near or inside the production zone.

(3) GPS measurement and levelingTo grasp the elevation change at gravity stations, leveling during annual gravity

survey is recommended. To check the short-term elevation change related with the

production suspension, monitoring of elevation change around the production zone by

GPS measurements is recommended.

(4) Database check-inAll the data corrected should be checked in to the database.

I -4-2. Borehole gravity meterThe field test for borehole gravity meter should be suspended at least in the next year. A

feasibility study of the gravity meter using the gravity post processor is recommended.

I -4-3. Analysis and evaluation of gravity monitoring data1. Analysis of gravity data

Quantitative evaluation for the correlation among gravity change, groundwater

level change and change of water content in vadose zone is recommended. The

possibility and necessity of the correction for the groundwater level change and change of water content in vadose zone should be discussed.

Monitoring of water content in vadose zone should be continued.

2. Study on the precise gravity survey method

Factors to obstruct precise gravity measurement for reservoir monitoring should be checked. Necessities of reduction and its optimal method should be examined.


I -4. Future subjects

I -4-1. Development of gravity monitoring system

It is necessary to check again the drainage for the inflow protection from casing head at each monitoring well.

Number of troubles in gravimeters is increasing gradually because of their high working rate. Due to these troubles, we forced to change the gravimeter for continuous measurement and to suspend the circuit measurement for more than one month. To stabilize the measurement conditions, additional introduction of a gravimeter is strongly recommended.

To study on the influence of seasonal level change of the groundwater, extension of the seasonal gravity survey (three tines / year) and the circuit gravity measurement around the monitoring wells (one round / two weeks) are recommended for the next fiscal year.

(4)

To avoid the elevation error derived from short-term GPS measurement, elevation difference should be determined by the leveling in the next fiscal year. Using new GPS measurement system introduced at continuous measurement facility in 1999, long-term GPS measurement will be carried out to determine the elevation of the site as a reference station for the leveling. These data will be useful for the examination of the precision for the GPS measurement in this area.

I -4-2. Borehole gravity meterThe improvement of the reservoir model is necessary to implement

examination precision better about the borehole gravimeter and needs the reservoir simulation which used the improved model.

Moreover, it is necessary to check the gravity in the well which used a gravity postprocessor.

Also, the examination such as the experiment place and the selection of test well is necessary.

I -4-3. Analysis and evaluation of gravity monitoring data1. Analysis of gravity data

Further noise reduction for the gravity data must be required to correlate with the groundwater level change.

TDR technique should be examined to monitor the density change in vadose zone, and the gravity effects of density change in vadose zone at Yanaizu field.

2. Study on the precise gravity survey method (1) Precise Tidal Correction

Further examination should be required for the tidal model before the application to the precise tidal correction to see if the tidal model is valid constantly.

Reduction of barometric response should be done for all the gravity data, and the effectiveness of the reduction should be evaluated.

Because the transient drift of the gravimeter will converge with time, the better results will be expected for the longer measurement. The proper analysis method should be developed to increase the survey production rate with acceptable level of drift noise.

(2) Vertical Gravity Gradient(a) The very low value of VGG at Site 300 (-243.7 microgal/m) be further

investigated by repeating the measurements at and in the vicinity of this site.(b) Some further VGG measurements be made at additional sites.(c) Since the VGG is constant within a height range up to 1.6m, fewer

measurements need to be made at each site, and therefore a smaller and more portable tower could be used. Such a tower need be about only 0.5-1.0m high and need on]y be sufficiently large to support the gravity meter itself.


(5)

The geothermal natural state and historical matching will be simulated based on the constructed geothermal conceptual model. After this geothermal model is satisfied with both natural state data and well monitoring data, the matching to the gravity monitoring data will be simulated.

(6)

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# n-3-1-1:Table n -3-1-1 List of the gravity stations built, restored or removed.

IS «r XSM 316

45 2045 a#

101 2101 #8

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-33-

m n-3-1-2:Table n-3-1-2 List of the gravimeter calibration results in Tsukuba Calibration Range.

Date April 2-3,1998 Novenber 10,1998 March 2,1999

Gravimeter CG-3M-1 CG-3M-2 CG-3M-R1 CG-3M-2

Station No. Ag. (mgal) Ag/Ag. Ag. (mgal) Ag/Ag, Ag, (mgal) Ag/Ag, Ag. (mgal) Ag/Ag,

1 101.072 0.999258 101.047 0.999505 100.994 1.000030 101.019 0.999782

3 85.142 0.999331 85.122 0.999565 85.067 1.000212 85.093 0.999906

5 59.079 0.999052 59.069 0.999221 59.028 0.999915 59.055 0.999458

7 24.691 0.999230 24.681 0.999635 24.669 1.000122 24.671 1.000041

8 0.000 0.000 0.000 0.000

10 -90.305 0.999723 -90.325 0.999502

Calibration Factor (k) 0.999319 0.999486 1.000070 0.999797

Date April 14-15, 1999 July 7-8,1999

Gravimeter CG-3M-1 CG-3M-2 CG-3M-3 CG-3M-3

Station No. Ag. (mgal) Ag/Ag. Ag, (mgal) Ag/Ag, Ag, (mgal) Ag/Ag. Ag- (mgal) Ag/Ag.

1 101.089 0.999090 101.019 0.999782 101.067 0.999307 101.056 0.999416

3 85.156 0.999166 85.097 0.999859 85.133 0.999436 85.125 0.999530

5 59.093 0.998815 59.023 1.000000 59.081 0.999018 59.072 0.999171

7 24.691 0.999230 24.674 0.999919 24.683 0.999554 24.694

8 0.000 0.000 0.000 0.000

10 -90.336 0.999380 -90.323 0.999524 -90.341 0.999325 -90.330 0.999446

Calibration Factor (k) 0.999136 0.999817 0.999328 0.999391

Date September 16, 1999 October 12,1999 November 25,1999 November 26,1999

Gravimeter CG-3M-1 CG-3M-3 CG-3M-3 CG-3M-1

Station No. Ag. (mgal) Ag/Ag, Ag, (mgal) Ag/Ag, Ag, (mgal) Ag/Ag. Ag. (mgal) Ag/Ag.

1 98.656 1.023729 101.019 0.999782 101.022 0.999753 98.658 1.023708

3 83.105 1.023825 85.099 0.999835 85.104 0.999777 83.112 1.023739

5 57.669 1.023479 59.053 0.999492 59.053 0.999492 57.664 1.023568

7 24.103 1.023607 24.678 0.999757 24.683 0.999554 24.095 1.023947

8 0.000 0.000 0.000 0.000

10 -88.195 1.023641 -90.320 0.999557 -90.301 0.999767 -88.201 1.023571

Calibration Factor (k) 1.023656 0.999685-37-

0.999669 1.023707

0List of the gravimeter calibration results based on the measurements at JGSN96 gravity stations.

m n-3-1-3:Table n-3-1-3

Stilt:

RES#:

K'WI&ftB:

CG-3M-2

0.9999728

4.215041E+03

-7.846203E-02

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Stilt:

REi%B:

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KU7M&SB:

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0.9999892

3.933542E+03

1.763923E-01

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(mgal) (mgal) SB (mgal) maa (mgal) (mgal) (mgal)

91BGS 2000/3/28 9:36 3974.493 3974.500 -0.008 99BGS 2000/3/28 9:35 3693.370 3693.371 -0.002

fi&GS 2000/3/28 13:08 4636.442 4636.446 -0.004 fmcs 2000/3/28 13:07 4355.367 4355.369 -0.002

*L##GS 2000/3/28 15:49 4692.431 4692.422 0.009 tLRGS 2000/3/28 15:49 4411.382 4411.378 0.003

$L*%GS 2000/3/29 7:40 4692.340 4692.348 -0.008 *L#GS 2000/3/29 7:40 4411.494 4411.494 0.000

f#GS 2000/3/29 9:48 4636.361 4636.349 0.012 fBGS 2000/3/29 9:49 4355.498 4355.521 -0.023

^BGS 2000/3/29 12:33 3974.351 3974.374 -0.023 99BGS 2000/3/29 12:32 3693.563 3693.568 -0.006

S1MAGS 2000/3/29 17:10 3685.995 3685.978 0.017 mmAGs 2000/3/29 17:10 3405.215 3405.225 -0.010

IIJJEAgs 2000/3/30 8:40 3685.894 3685.893 0.001 6!E»GS 2000/3/30 8:40 3405.333 3405.338 -0.006

ERGS 2000/3/30 16:50 3310.573 3310.574 -0.001 ERGS 2000/3/30 16:50 3030.121 3030.120 0.001

ERgs 2000/3/31 9:19 3310.474 3310.472 0.002 ERcs 2000/3/31 9:19 3030.242 3030.240 0.001

SBgs 2000/3/31 9:42 3310.467 3310.469 -0.002 ERGS 2000/3/31 9:43 3030.241 3030.243 -0.001

^BGS 2000/3/31 14:56 3974.075 3974.078 -0.003 ^BGS 2000/3/31 14:56 3693.923 3693.935 -0.012

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b©fctf>, '>& < b S ¥fi£ 9 iF* ¥($n^lr*ltTttNo.9ffltliS'$tttt%b» U&ffl bE/£bT, 9 ^S&U''¥fiE10^S©No.9tc**lt-Ei#iW©¥!Stt*5¥fiKlWS©No.9®tgiW¥19#k^V< ^5 =fc-5K (No.9#n*iS-No.9e ft) ©ffl£ — Stttb LT/£», «M69i$Lteo

2) v^;vsje^$6M)B Vyfe^®s©e*sjs^®@ft$to©its ±IB l) T-z*S$nfc V^;ufl|**ipîcj3(t5gi«k#swiail$® v^;v»ISb

6#&bt#am^-^&mi'-ctmft&wmi/)c. ¥*$9^g&u^mo^SffltiiW IcontliNo. 9 &*$Ab V, fe%114W=ow-CW:No.3135&m#Ak bfeo

**, ¥«9^SSUt¥fiSlO¥«fflSJ®^®-®r-tt, v^;vgi|»®ip^No. 9 bW ©GPS#l&A&%Abb, No. 9 kejgiS^©-e$*V'.ifliJ/gjSAs$i-6» CbG©#l&

smufco fiu, ¥fi6io^s#*KÊ$nfciflij$^No.303oeitii#sstocv^;v #1 #&@ % b c 6 )c K», ^SNSMfSA5!!S&b-o c©Xi®, HA©?@%1(W a©##&vm#©t#ftl3:, PS1"-6ill$^No.29kHb$«i6f^kE6bT8+*b feo

(4) y-fmme*M%m#cop

^sijtcâsnrvô - #?%# A©9J»<« 6 ^ * amtr&utf, #M#ftl±b%*)«6 3V\TV\6» BII-3-l-6~BII-3-l-8BlCttGP S$$g Pffiir J;5tin#:S®$-fb6^X8ISSJS!jCS1"= #R*ftl4g*l0cEgS©W-fb65$ t), #A©8t:#&©$?m#Ab©*^##%a-e#R#m&%&f 6 b, $cE®*-y-©ES*54 b6BJfgti;bs66CbAito»>6<, TJSlO^SSWmi^Sti: b * tcSB 2 IS(M#) ©&m#j&m^Kf©«6^gA:#t,m#C%b, S&, SUj (950204) b©X

iEfllDfiB$»setoC, T» (950205) *s*toC®firStt6(«|6i»sS;»6>n6o mn-3-i-90ic#a»GP s#^#irnm&#Nb6iKgcot,\-cmi-. cn«¥$n^

— 46 —

No.

9#M

#a (m)

418.85418.84418.83418.82418.81418.80418.79418.78418.77

o o418.76418.75418.74418.73418.72418.71418.70

□ 950204

0 950207

0 950209

418.69418.68418.67418.66418.65

12/1412/10 12/12 12/16 12/2212/18 12/20 12/24 12/26

Btt

B n-3-l-6g] (19974^)

Fig. n -3-1-6 Ellipsoidal height change at station No.9 in 1997.

47-

No.

9#m

#m (m)

N

o.9#

m#a

<m)418.85 418.84 418.83 418.82 418.81 418.80

~ 418.79 E 418.78 ~ 418.77 # 418.76 d* 418.75 E 418.74 S 418.73 d 418.72 z 418.71

418.70 418.69 418.68 418.67 418.66 418.65

950204950207

950209

4/15 4/16 4/17 4/18 4/19 4/20 4/21 4/22 4/23 4/24 4/25 4/26 4/27 4/28 4/29

an

418.85418.84418.83418.82418.81418.80418.79418.78418.77418.76418.75418.74418.73418.72418.71418.70418.69418.68418.67418.66418.65

950204

950207950209

an

418.85418.84418.83418.82418.81418.80418.79418.78418.77418.76418.75418.74418.73418.72418.71418.70418.69418.68418.67418.66418.65

950204

950207950209

10/16 10/17 10/18 10/19 10/20 10/21 10/22 10/23 10/24 10/25 10/26 10/27 10/28 10/29

anS n-3-l-7g] (1998#^)

Fig. II -3-1-7 Ellipsoidal height change at station No.9 in 1998.-48-

(UJ)

*#W#6'O

N

(vu) %

^y#6'ON

(uj)

S*HdW

:60N

477.61477.60477.59477.58477.57477.56477.55477.54477.53477.52477.51477.50477.49477.48477.47477.46477.45 950204

950207

950209

477.44477.43477.42477.41

Btt

477.61477.60477.59477.58477.57477.56477.55477.54477.53477.52477.51477.50477.49477.48477.47477.46477.45 950204

950207950209

477.44477.43477.42477.41

7/16 7/17 7/18 7/19 7/20 7/21 7/22 7/23 7/24 7/25 7/26 7/27 7/28 7/29 7/30 7/31 8/1 8/2 8/3 8/4a#

477.61477.60477.59477.58477.57477.56477.55477.54477.53477.52477.51477.50477.49477.48477.47477.46477.45 -950204

950207950209

477.44477.43477.42477.41

10/23 10/25 10/2710/19 10/3110/29a#

# n-3-l-8EI (1999#g)Fig. n -3-1-8 Ellipsoidal height change at station No.3125 in 1999.

-49-

# n-3-i-4#cTable H -3-1-4 Summary of GPS baseline analysis.

nS. (WGS84)as

950204 950207 950209 e m1997-1 37.4496523 37.4496523 37.4496523 37.4496523 ( 37 26 58.74822 )1998-1 37.4496523 37.4496523 37.4496523 37.4496523 ( 37 26 58.74831 )1998-2 37.4496523 37.4496523 37.4496523 37.4496523 ( 37 26 58.74843 )1998-3 37.4496522 37.4496523 37.4496523 37.4496523 ( 37 26 58.74817 )1999-1 37.4413110 37.4413111 37.4413111 37.4413111 ( 37 26 28.71993 )1999-2 37.4413111 37.4413111 37.4413112 37.4413111 ( 37 26 28.72018 )1999-3 37.4413111 37.4413111 37.4413111 37.4413111 ( 37 26 28.71996 )

jilt (WGS84)mm

950204 950207 950209 6 m #1997-1 139.7015571 139.7015571 139.7015571 139.7015571 ( 139 42 5.60566 )1998-1 139.7015571 139.7015571 139.7015571 139.7015571 ( 139 42 5.60558 )1998-2 139.7015571 139.7015572 139.7015571 139.7015571 ( 139 42 5.60553 )1998-3 139.7015571 139.7015571 139.7015571 139.7015571 ( 139 42 5.60564 )1999-1 139.7042038 139.7042039 139.7042039 139.7042039 ( 139 42 15.13406 )1999-2 139.7042039 139.7042039 139.7042039 139.7042039 ( 139 42 15.13391 )1999-3 139.7042038 139.7042038 139.7042039 139.7042038 ( 139 42 15.13393 )

fllHt*$(WGS84)mm TQffl

950204 950207 950209 m1997-1 418.744 418.746 418.752 418.7471998-1 418.751 418.752 418.754 418.7531998-2 418.737 418.752 418.765 418.7511998-3 418.746 418.748 418.746 418.7471999-1 477.514 477.512 477.514 477.5131999-2 477.483 477.514 477.534 477.5101999-3 477.505 477.509 477.517 477.510

*1 997iF&t/1 998#l*S*;HS^No. 9TfGPS;l!l$£gififc0

*1999^(iGPS@£,6No.3125T'GPS;H$£S!Sfco

-50-

# n-3-1-5^ (1999^##) (1/2)Table n -3-1-5 List of elevations determined by the leveling in spring 1999.

No.(m)

#S2(m)

mm(mm) (m) No. t*6i

(m)#S2

(m)mm(ram)

rot**Cm)

1001 285.106 — 285.106 2035 449.537 — 449.537

1002 412.689 — 412.689 36 357.660 357.661 1 357.661

1003 334.533 — 334.533 3037 400.281 400.282 1 400.282

1004 425.649 — 425.649 38 469.742 469.745 3 469.744

1005 357.877 — 357.877 39 555.037 555.043 6 555.040

1006 402.305 — 402.305 40 579.086 579.094 8 579.090

1007 331.084 — 331.084 41 506.363 — 506.363

1008 371.327 — 371.327 42 488.106 488.109 3 488.108

2001 324.866 324.865 1 324.866 43 484.158 484.162 4 484.160

2 333.455 333.456 1 333.456 44 456.849 456.850 1 456.850

3 337.021 337.022 1 337.023 45 - - - -

4 344.973 344.975 2 344.974 46 401.692 401.691 1 401.692

5 352.796 — 352.796 47 402.389 — 402.389

6 379.573 — 379.573 48 408.015 — 408.0157 409.430 — 409.430 49 361.239 361.237 2 361.238

8 413.564 — 413.564 50 348.155 — 348.155

9 377.064 — 377.064 51 398.159 398.160 1 398.160

2010 320.895 — 320.895 3052 544.308 544.317 9 544.31311 302.178 302.178 1 302.179 53 494.460 494.470 10 494.465

12 336.874 336.867 8 336.871 54 457.656 457.663 7 457.660

13 369.419 369.411 8 369.415 3055 482.303 482.307 4 482.3052014 371.654 371.653 0 371.654 56 323.251 — 323.251

15 364.581 364.582 0 364.582 57 392.045 — 392.045

2016 376.067 — 376.067 58 424.414 — 424.414

17 375.664 — 375.664 59 426.724 — 426.724

18 386.263 — 386.263 60 340.462 340.462 0 340.462

19 391.327 — 391.327 61 347.039 347.040 1 347.040

2020 403.751 — 403.751 62 368.777 368.777 0 368.777

21 381.100 381.097 3 381.100 63 386.554 386.557 3 386.556

22 312.569 — 312.569 64 419.657 419.659 2 419.658

2023 377.697 — 377.697 65 445.748 — 445.748

24 362.673 — 362.673 66 418.116 418.120 4 418.118

25 353.309 — 353.309 67 465.021 465.028 7 465.025

26 380.109 — 380.109 68 534.392 — 534.392

27 370.794 — 370.794 69 349.897 349.898 1 349.898

28 345.732 — 345.732 70 362.088 362.089 1 362.089

29 349.244 — 349.244 71 379.660 379.660 0 379.660

2030 319.266 — 319.266 2072 402.852 402.851 1 402.852

31 404.479 404.478 1 404.479 3073 351.878 351.878 0 351.878

32 402.693 402.692 1 402.693 74 368.097 368.097 0 368.097

33 400.128 400.127 1 400.128 75 379.406 — 379.40634 457.845 457.844 1 457.845 76 405.388 — 405.388

-53-

# Q-3-1-5# lx^/L#J#^-^# (1999#g##) (2/2)Table H -3-1-5 List of elevations determined by the leveling in spring 1999.

No. SHi

(m)SH2

(m)mm(mm)

TOSH

(m)No. SKi

(m)SH2

(m)mm(mm)

¥K)SH

(m)77 429.450 — 429.450 119 434.907 — 434.90778 532.244 — 532.244 120 453.621 453.620 1 453.62179 375.772 — 375.772 121 427.900 427.896 4 427.89880 387.641 — 387.641 122 371.411 371.406 5 371.40981 259.051 — 259.051 123 320.774 — 320.77482 305.108 305.109 1 305.109 124 301.319 — 301.31983 310.645 310.646 1 310.646 125 - - - -

2084 295.415 295.411 4 295.413 126 413.273 413.275 2 413.27485 352.528 352.532 4 352.530 127 451.298 451.295 3 451.29786 404.456 — 404.456 128 435.846 — 435.84687 586.973 — 586.973 129 384.237 — 384.23788 572.320 572.322 2 572.321 130 385.998 — 385.99889 502.946 502.951 5 502.949 2046 401.848 — 401.84890 461.566 461.566 0 461.566 2125 435.828 — 435.82891 405.597 405.592 5 405.595 3125 435.757 — 435.75792 374.741 — 374.741 1995 285.844 — 285.84493 428.126 428.131 5 428.129 —94 476.413 476.415 2 476.414 —

95 464.967 464.967 0 464.967 —

2096 450.169 — 450.169 —

97 405.646 405.648 2 405.647 —

98 427.164 427.162 2 427.163 —

99 436.418 436.412 6 436.415 —

100 433.233 433.225 8 433.229 —2101 474.161 474.157 4 474.159 —

102 567.291 567.290 1 567.291 —103 542.872 — 542.872 —104 510.284 510.281 3 510.283 —105 513.487 513.489 2 513.488 —106 640.575 640.571 4 640.573 —107 808.953 — 808.953 —

108 593.907 — 593.907 —109 510.376 — 510.376 —110 435.292 435.290 2 435.291 —111 417.997 — 417.997 —112 403.008 403.007 1 403.008 —113 442.086 — 442.086 —114 418.282 — 418.282 —115 491.990 — 491.990 —116 471.394 471.392 2 471.393 —117 416.507 416.501 6 416.504 —118 367.619 367.622 3 367.621 —

— 54 —

B E-3-1-6# (1999^^g#) (1/2)Table n -3-1-6 List of elevations determined by the leveling in summer 1999.

No. SirSl(m) (m)

mm(ram) (m)

No. $IS)1(m)

#62(m)

mm(ram)

TO#6(m)

1001 285.109 — 285.109 2035 449.525 — 449.525

1002 412.687 — 412.687 36 357.675 357.674 1 357.675

1003 334.533 — 334.533 3037 400.268 400.264 4 400.266

1004 425.647 — 425.647 38 469.684 469.683 1 469.684

1005 357.879 — 357.879 39 554.923 554.922 1 554.923

1006 402.307 — 402.307 40 578.957 578.957 0 578.957

1007 331.090 — 331.090 41 506.335 — 506.335

1008 371.339 — 371.339 42 488.090 488.089 1 488.090

2001 324.852 324.852 0 324.852 43 484.144 484.141 3 484.143

2 333.445 333.446 1 333.446 44 456.845 456.842 3 456.844

3 337.020 337.020 0 337.020 2045 429.415 — 429.415

4 344.974 344.975 1 344.975 46 401.699 — 401.699

5 352.800 — 352.800 47 402.387 — 402.387

6 379.574 — 379.574 48 407.999 — 407.999

7 409.430 — 409.430 49 361.241 361.239 2 361.240

8 413.563 — 413.563 50 348.159 — 348.159

9 377.063 — 377.063 51 398.157 398.159 2 398.158

2010 320.898 — 320.898 3052 544.205 544.201 4 544.203

11 302.192 302.193 1 302.193 53 494.386 494.383 3 494.385

12 336.871 336.876 5 336.874 54 457.601 457.598 3 457.600

13 369.402 369.405 3 369.404 3055 482.237 482.234 3 482.236

2014 371.656 371.656 0 371.656 56 323.261 — 323.261

15 364.582 364.584 2 364.583 57 392.051 — 392.051

2016 376.076 — 376.076 58 424.408 — 424.408

17 375.674 — 375.674 59 426.720 — 426.720

18 386.270 — 386.270 60 340.467 340.468 1 340.468

19 391.335 — 391.335 61 347.040 347.044 4 347.042

2020 403.758 — 403.758 62 368.763 368.764 1 368.764

21 381.088 381.089 1 381.089 63 386.530 386.534 4 386.532

22 312.585 — 312.585 64 419.616 419.617 1 419.617

2023 377.699 — 377.699 65 445.693 — 445.693

24 362.676 — 362.676 66 418.105 418.106 1 418.106

25 353.311 — 353.311 67 464.983 464.984 1 464.984

26 380.111 — 380.111 68 534.316 — 534.316

27 370.794 — 370.794 69 349.898 349.901 3 349.900

28 345.734 — 345.734 70 362.090 362.092 2 362.091

29 349.245 — 349.245 71 379.658 379.663 5 379.661

2030 319.266 — 319.266 2072 402.844 402.845 1 402.845

31 404.472 404.474 2 404.473 3073 351.881 351.880 1 351.881

32 402.685 402.685 0 402.685 74 368.092 368.094 2 368.093

33 400.126 400.124 2 400.125 75 379.395 — 379.395

34 457.827 457.825 2 457.826 76 405.385 — 405.385

— 55 ~

m n-3-i-6#E (i999^g#) (2/2)Table H -3-1-6 List of elevations determined by the leveling in summer 1999.

No.#Si

(m)£A2

(m) (ram) (m)No.

(m)S*2

(m) (ram) (m)77 429.436 — 429.436 119 434.867 — 434.867

78 532.153 — 532.153 120 453.572 453.567 5 453.570

79 375.763 — 375.763 121 427.862 427.854 8 427.858

80 387.628 — 387.628 122 371.391 371.386 5 371.389

81 259.066 — 259.066 123 320.783 — 320.783

82 305.104 305.108 4 305.106 124 301.336 — 301.336

83 310.635 310.637 2 310.636 2125 435.824 435.824

2084 295.407 295.407 0 295.407 3125 435.754 — 435.754

85 352.494 352.500 6 352.497 126 413.264 413.265 1 413.265

86 404.392 — 404.392 127 451.249 451.241 8 451.245

87 586.875 — 586.875 128 435.819 — 435.819

88 572.234 572.234 0 572.234 129 384.238 — 384.238

89 502.893 502.891 2 502.892 130 386.005 — 386.005

90 461.532 461.529 3 461.531 1995 285.846 — 285.846

91 405.590 405.592 2 405.591

92 374.756 — 374.756

93 428.113 428.109 4 428.111

94 476.384 476.378 6 476.381

95 464.935 464.931 4 464.933

2096 450.141 — 450.141

97 405.636 405.634 2 405.635

98 427.145 427.143 2 427.144

99 436.396 436.395 1 436.396

100 433.208 433.209 1 433.209

2101 474.132 474.131 1 474.132

102 567.240 567.235 5 567.238

103 542.823 — 542.823

104 510.242 510.244 2 510.243

105 513.442 513.443 1 513.443

106 640.485 640.495 10 640.490

107 808.840 — 808.840

108 593.819 — 593.819

109 510.334 — 510.334

110 435.289 435.288 1 435.289

111 418.005 — 418.005

112 402.996 402.998 2 402.997

113 442.040 — 442.040

114 418.261 — 418.261

115 491.938 — 491.938

116 471.352 471.354 2 471.353

117 416.482 416.479 3 416.481

118 367.619 367.621 2 367.620

-56-

# n-3-l-7#E (1999^##) (1/2)

Table n -3-1-7 List of elevations determined by the leveling in autumn 1999.

No. (m)8$iSi2

(m)mm(mm) (m)

No.(m)

#*2(m)

mm(mm) (m)

1001 285.106 2035 449.528 — 449.528

1002 412.685 — 412.685 36 357.670 357.668 2 357.669

1003 334.529 — 334.529 3037 400.270 400.269 1 400.2701004 425.644 — 425.644 38 469.697 469.702 5 469.700

1005 357.870 — 357.870 39 554.945 554.944 1 554.945

1006 402.300 — 402.300 40 578.982 578.982 0 578.982

1007 331.078 — 331.078 41 506.352 — 506.352

1008 371.329 — 371.329 42 488.101 488.100 1 488.101

2001 324.853 324.856 3 324.855 43 484.153 484.153 0 484.153

2 333.451 333.453 2 333.452 44 456.847 456.846 1 456.847

3 337.022 337.025 3 337.024 2045 429.413 — 429.4134 344.972 344.975 3 344.974 2046 401.843 — 401.843

5 352.795 — 352.795 47 402.384 — 402.384

6 379.569 — 379.569 48 408.008 — 408.0087 409.426 — 409.426 49 361.239 361.235 4 361.237

8 413.560 — 413.560 50 348.152 — 348.152

9 377.060 — 377.060 51 398.158 398.159 1 398.159

2010 320.895 — 320.895 3052 544.216 544.219 3 544.21811 302.179 302.182 3 302.181 53 494.392 494.396 4 494.394

12 336.862 336.868 6 336.865 54 457.591 457.595 4 457.593

13 369.398 369.403 5 369.401 3055 482.236 482.237 1 482.237

2014 371.636 371.648 12 371.642 56 323.247 — 323.247

15 364.564 364.574 10 364.569 57 392.044 — 392.044

2016 376.062 — 376.062 58 424.413 — 424.41317 375.667 — 375.667 59 426.719 — 426.719

18 386.263 — 386.263 60 340.457 340.456 1 340.457

19 391.328 — 391.328 61 347.032 347.030 2 347.031

2020 403.751 — 403.751 62 368.760 368.757 3 368.759

21 381.077 381.088 11 381.083 63 386.534 386.532 2 386.533

22 312.569 — 312.569 64 419.618 419.620 2 419.619

2023 377.690 — 377.690 65 445.697 — 445.697

24 362.665 — 362.665 66 418.096 418.092 4 418.094

25 353.301 — 353.301 67 464.987 464.985 2 464.986

26 380.103 — 380.103 68 534.322 — 534.322

27 370.788 — 370.788 69 349.889 349.892 3 349.891

28 345.727 — 345.727 70 362.081 362.082 1 362.082

29 349.238 — 349.238 71 379.651 379.651 0 379.651

2030 319.257 — 319.257 2072 402.838 402.838 0 402.838

31 404.478 404.477 1 404.478 3073 351.873 351.868 5 351.871

32 402.690 402.685 5 402.688 74 368.088 368.085 3 368.087

33 400.126 400.122 4 400.124 75 379.391 — 379.39134 457.831 457.830 1 457.831 76 405.386 — 405.386

-57-

# H-3-1-7^ (1999^p^##) (2/2)Table II -3-1-7 List of elevations determined by the leveling in autumn 1999.

No.sen

(m)«*2

(m)mm(mm) (m)

No.$S$1

(m) (m)mm(mm) (m)

77 429.435 — 429.435 119 434.874 — 434.874

78 532.164 — 532.164 120 453.582 453.592 10 453.587

79 375.755 — 375.755 121 427.864 427.874 10 427.869

80 387.625 — 387.625 122 371.383 371.392 9 371.388

81 259.047 — 259.047 123 320.765 — 320.765

82 305.100 305.099 1 305.100 124 301.312 — 301.312

83 310.629 310.629 0 310.629 2125 435.823 — 435.823

2084 295.412 295.411 1 295.412 3125 435.754 — 435.754

85 352.501 352.504 3 352.503 126 413.267 413.269 2 413.268

86 404.418 — 404.418 127 451.259 451.268 9 451.264

87 586.923 — 586.923 128 435.835 — 435.835

88 572.274 572.277 3 572.276 129 384.235 — 384.235

89 502.921 502.928 7 502.925 130 385.998 — 385.998

90 461.546 461.555 9 461.551 1995 285.843 — 285.843

91 405.594 405.598 4 405.596

92 374.749 — 374.749

93 428.115 428.122 7 428.119

94 476.387 476.396 9 476.392

95 464.936 464.945 9 464.941

2096 450.155 — 450.155

97 405.631 405.633 2 405.632

98 427.142 427.139 3 427.141

99 436.393 436.386 7 436.390

100 433.205 433.196 9 433.201

2101 474.127 474.116 11 474.122

102 567.238 567.237 1 567.238

103 542.816 — 542.816

104 510.243 510.235 8 510.239

105 513.441 513.432 9 513.437

106 640.527 640.516 11 640.522

107 808.888 — 808.888

108 593.838 — 593.838

109 510.336 — 510.336

110 435.289 435.288 1 435.289

111 417.999 — 417.999

112 402.997 402.995 2 402.996

113 442.050 — 442.050

114 418.262 — 418.262

115 491.951 — 491.951

116 471.360 471.363 3 471.362

117 416.482 416.484 2 416.483

118 367.608 367.609 1 367.609

58-

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d/2)List of elevation changes.

*97%k~’98S ’973k~'98H '97%k-~'98# '97#~'99# ’97tk~’99Z '97#~'99% '98#~’98Z ’97Z~ 981* ’98l*~’99* ’99#~’99Z ’99Z~’99f*

1 1.9.94 - - - - - - - - - - -

2001 1.10.97 3 7 10 13 17 20 3 3 3 3 32 1.9.94 3 5 8 10 13 19 3 3 3 3 63 1.9.94 1 4 3 8 12 16 3 0 4 4 44 1.9.94 1 2 2 7 12 11 1 1 5 5 -1

5 1.9.94 2 4 6 9 13 8 2 2 2 4 -56 1.9.94 2 3 -3 4 6 0 2 -6 7 1 -57 1.9.94 -1 -2 -5 1 1 -2 -1 -3 6 0 -4

8 1.9.94 1 2 -1 3 2 0 1 -4 4 -1 -39 1.9.94 5 4 -1 4 3 0 -1 -5 5 -1 -310 1.9.94 - - - - - - - - - - -

2010 1.10.97 1 1 2 7 11 8 1 1 5 4 -311 1.9.94 0 -1 -1 -1 13 1 0 0 0 14 -1212 1.9.94 4 7 11 14 18 9 4 4 4 4 -913 1.9.94 3 5 8 10 13 10 3 3 3 3 -314 1.9.94 - - - - - - - - - - -

2014 15.4.98 - - - - - - 25 5 -16 2 -14

15 1.9.94 -1 20 23 14 15 1 21 3 -9 1 -14

16 1.9.94 - - - - - - - - - - -

2016 1.10.97 0 0 0 0 9 -5 0 0 0 9 -14

17 1.9.94 -1 -1 17 7 18 11 -1 18 -9 10 -7

18 1.9.94 -3 -7 9 -3 4 -3 -3 16 -12 7 -7

19 1.9.94 -7 -12 7 -9 -1 -8 -4 19 -16 8 -7

20 1.9.94 - - - - - - - - - - -

2020 15.4.98 - - - - - - 0 21 -20 7 -7

21 1.9.94 -3 19 27 21 10 4 22 8 -6 -11 -6

22 1.9.94 0 0 0 0 16 0 0 0 0 16 -16

23 1.9.94 - - - - - - - - - - -

2023 20.9.95 -13 -8 -12 -10 -7 -17 5 -4 2 3 -1024 1.9.94 -4 -9 -16 -11 -8 -19 -4 -7 4 3 -10

25 1.9.94 -5 -11 -16 -13 -11 -21 -5 -5 3 2 -1026 1.9.94 2 -10 -13 -9 -7 -15 -11 -3 4 2 -827 1.9.94 -4 -7 -11 -6 -6 -12 -4 -4 5 0 -628 1.9.94 -3 -5 -8 -2 0 -7 -3 -3 5 2 -7

29 1.9.94 -2 -4 -5 0 2 -5 -2 -2 6 1 -7

30 1.9.94 - - - - - - - - - - -

2030 20.9.95 - - - - - - - - - - -

3030 15.4.98 - - - - - - -2 -2 6 0 -9

31 1.9.94 3 0 -7 2 -4 1 -3 -7 9 -6 5

32 1.9.94 6 0 -7 3 -5 -2 -6 -7 10 -8 3

33 1.9.94 5 2 -4 4 1 0 -3 -6 8 -3 -1

34 1.9.94 15 1 -7 -4 -2 3 -14 -8 2 2 5

35 1.9.94 - - - - - - - - - - -

2035 1.10.97 15 4 -2 1 4 7 -11 -6 3 3 3

36 1.9.94 9 17 12 4 18 12 9 -5 -8 14 -6

37 1.9.94 - - - - - - - - - - -

2037 31.10.96 - - - - - - - - - - -

3037 1.10.97 5 6 0 1 2 6 1 -6 1 1 4

38 1.9.94 -5 -20 -22 -22 -22 -6 -15 -2 0 0 16

39 1.9.94 -9 -41 -44 -38 -33 -11 -32 -3 5 5 22

40 1.9.94 -13 -49 -52 -47 -42 -17 -36 -3 5 5 25

41 1.9.94 -4 -9 -13 -20 -27 -10 -4 -4 -7 -7 17

42 1.9.94 -5 -8 -6 -14 -23 -12 -3 2 -8 -8 11

43 1.9.94 -3 -7 -8 -16 -24 -14 -3 -1 -8 -8 10

44 1.9.94 1 2 0 -10 -20 -17 1 -2 -10 -10 3

45 1.9.94 4 7 11 - - - 4 4 - - -

2045 1.7.99 - - - - - - - - - - -2

46 1.9.94 -3 9 17 -19 -12 - 12 8 -36 7 -

2046 19.1.98 -3 8 18 -18 -21 -23 12 10 -36 -2 -2

47 1.9.94 -2 -4 -5 -7 -9 -12 -2 -2 -2 -2 -3

48 1.9.94 3 1 1 4 6 15 -2 0 2 2 9

49 1.9.94 16 17 11 5 7 4 1 -6 -5 2 -3

50 1.9.94 18 20 14 5 9 2 2 -6 -9 4 -7

51 1.9.94 2 0 -5 -3 -1 0 -2 -5 2 2 1

52 1.9.94 - - - - - - - - - -

2052 31.10.96 - - - - - - - - - - *

3052 1.10.97 -15 -37 -43 -39 -35 -20 -22 -6 4 4 15

53 1.9.94 -9 -18 -25 -18 -12 -3 -9 -7 6 6 9

54 1.9.94 -5 -2 -10 -4 1 -6 3 -8 5 5 -7

55 1.9.94 - - - - - - - - - - -

2055 1.10.97 -2 - - - - - - - - - -

3055 15.8.98 - - - - - - - -8 7 7 1

56 1.9.94 -3 -7 -10 -13 -3 -17 -3 -3 -3 10 -14

57 1.9.94 -3 -5 -8 -10 -4 -11 -3 -3 -3 6 -7

58 1.9.94 -9 -18 -27 -24 -21 -16 -9 -9 3 3 5

59 1.9.94 -11 -11 -26 -20 -15 -16 0 -15 5 5 -1

60 1.9.94 1 7 10 -2 4 -7 6 3 -12 6 -11

61 1.9.94 -4 5 7 -1 1 -10 9 2 -8 2 -11

62 1.9.94 -21 -15 -16 -22 -28 -33 6 -1 -6 -6 -5

63 1.9.94 -25 -22 -25 -31 -37 -36 3 -3 -6 -6 1

64 1.9.94 -51 -43 -48 -54 -60 -58 8 -5 -6 -6 2

65 1.9.94 -69 -57 -67 -73 -79 -75 12 -10 -6 -6 4

66 1.9.94 -8 -27 -11 -8 -6 -18 -19 16 3 3 -12

67 1.9.94 -18 -51 -36 -32 -29 -27 -33 15 4 4 2

68 1.9.94 -31 -83 -75 -70 -65 -59 -52 8 5 5 6

69 1.9.94 -1 -5 -13 -9 -7 -16 -4 -8 4 2 -9

70 1.9.94 -1 -7 -16 -10 -8 -17 -6 -9 6 2 -9

-91-

Wi 11-3-1-*Table II-3-1-9

(2/2)List of elevation changes.

97%-'98# '976k~'98H '97%~'98# ’97f*~’99# ’97fck~’99Z ’97f*~’99f* ’98#~’98Z ’97Z~’98l* ’98#i~ 99# ’99#~’99Z ’99Z~'99if!k

71 1.9.94 -3 -12 -21 -12 -11 -21 -9 -9 9 1 -10

72 1.9.94 -10 - - - - - - - - - -

2072 15.8.98 - - - - - - - -10 5 5 -7

73 1.9.94 - - - - - - - - - - -

2073 1.10.97 -8 - - - - - - - - - -

3073 15.8.98 - - - - - - - -8 8 3 -1074 1.9.94 -8 -8 -20 -17 -14 -20 0 -12 3 3 -6

75 1.9.94 -14 -15 -28 -24 -20 -24 -1 -13 4 4 -4

76 1.10.97 4 -2 -7 -4 -2 -1 -6 -5 2 2 1

77 1.10.97 -25 -40 -53 -47 -40 -41 -14 -13 7 7 -1

78 1.10.97 0 -15 -25 -16 -7 4 -14 -10 9 9 11

79 1.10.97 1 2 3 4 5 -3 1 1 1 1 -8

80 1.10.97 4 7 11 14 18 15 4 4 4 4 -3

81 1.10.97 1 1 2 3 18 -1 1 1 1 15 -19

82 1.10.97 4 9 13 17 14 8 4 4 4 -3 -6

83 1.10.97 6 12 18 24 14 7 6 6 6 -10 -7

84 1.10.97 - - - - - - - - - - -

2084 15.4.98 - - - - - - 5 9 8 -6 5

85 1.10.97 3 7 10 13 16 22 3 3 3 3 6

86 1.10.97 1 2 3 4 5 31 1 1 1 1 2687 1.10.97 -1 -2 -2 -3 -4 44 -1 -1 -1 -1 48

88 1.10.97 0 1 1 2 2 44 0 0 0 0 42

89 1.10.97 -1 -2 -4 -5 -6 27 -1 -1 -1 -1 33

90 1.10.97 0 0 -1 -1 -1 19 0 0 0 0 20

91 1.10.97 0 0 0 -1 -5 0 0 0 0 -4 5

92 1.10.97 0 -3 -5 -8 7 0 -3 -3 -3 15 -7

93 1.10.97 0 1 1 1 2 10 0 0 0 0 894 1.10.97 1 2 3 3 4 15 1 1 1 1 11

95 1.10.97 -7 -1 -5 -1 3 11 6 -4 4 4 8

96 1.10.97 2 - - - - - - - - - -

2096 15.8.98 - - - - - - - 10 -4 -4 14

97 1.10.97 -1 -2 -3 -4 -5 -8 -1 -1 -1 -1 -3

98 1.10.97 -1 -2 -2 -3 -4 -7 -1 -1 -1 -1 -399 1.10.97 -4 -5 -5 -8 -10 -16 -1 0 -2 -2 -6

100 1.10.97 -1 -2 -2 -3 -4 -12 -1 -1 -1 -1 -8

101 1.10.97 -1 -11 -15 - - - -10 -4 - - -

2101 4.15.99 - - - - - - - - - 0 -10

102 1.10.97 0 0 1 1 1 1 0 0 0 0 0

103 1.10.97 0 0 0 0 0 -7 0 0 0 0 -7104 1.10.97 -1 -2 -2 -3 -4 -8 -1 -1 -1 -1 -4

105 1.10.97 -2 -4 -5 -7 -9 -15 -2 -2 -2 -2 -6

106 1.10.97 -2 -5 -7 -9 -12 20 -2 -2 -2 -2 32107 1.10.97 -6 -13 -19 -26 -32 16 -6 -6 -6 -6 48108 1.10.97 -6 -12 -19 -25 -31 -12 -6 -6 -6 -6 19109 1.10.97 -1 -2 -2 -3 -4 -2 -1 -1 -1 -1 2110 1.10.97 1 -1 20 -1 -3 -3 -1 21 -21 -2 0

111 1.10.97 -1 -3 -4 -5 3 -3 -1 -1 -1 8 -5112 1.10.97 -1 -5 14 10 5 4 -4 19 -5 -5 -1113 1.10.97 -2 -11 13 3 -7 3 -8 24 -10 -10 10114 1.10.97 4 8 13 17 21 22 4 4 4 4 1115 1.10.97 5 10 16 21 26 39 5 5 5 5 13116 1.10.97 4 7 11 14 18 27 4 4 4 4 9117 1.10.97 4 9 13 17 22 24 4 4 4 4 2118 1.10.97 -2 24 28 24 19 8 26 4 -4 -4 -11119 1.10.97 12 24 28 18 7 14 12 4 -11 -11 7120 1.10.97 1 1 2 3 3 20 1 1 1 1 17

121 1.10.97 1 2 3 3 4 15 1 1 1 1 11122 1.10.97 -12 -3 6 11 15 14 9 9 4 4 -1123 1.10.97 5 9 14 19 28 10 5 5 5 9 -18124 1.10.97 4 7 21 18 35 11 4 14 -3 17 -24125 1.10.97 4 7 11 - - - 4 4 - - -

2125 14.5.98 - - - - - - - 3 - - -1126 1.10.97 1 3 4 6 -3 0 1 1 1 -9 3127 1.10.97 0 0 -1 -1 -1 18 0 0 0 0 19128 1.10.97 10 17 21 19 18 34 8 4 -1 -1 16

129 15.4.98 - - - - - - 0 0 0 1 -3130 15.4.98 - - - - - - -3 18 -11 7 -7

1995 20.9.95 - - - - - - 1 1 9 3 -31001 1.9.94 1 1 2 11 14 11 1 1 9 3 -31002 1.9.94 3 6 9 3 2 -1 3 3 -6 -1 -21003 1.9.94 0 11 5 8 8 4 11 -6 3 0 -41004 1.9.94 9 10 14 -10 -12 -15 2 4 -24 -2 -31005 1.9.94 4 8 13 -8 -5 -15 4 4 -20 3 -101006 1.9.94 -9 -7 19 -14 -11 -19 1 26 -32 3 -81007 1.9.94 4 8 13 -6 1 -11 4 4 -18 7 -121008 1.9.94 1 -4 12 1 13 4 -5 16 -10 12 -10

-2 -3 -3 -4 -3 -2 -1 1 -1 2 0

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— 96 —

# H-3-1-10:Table H -3-1-10

S/HE—US (1/3)

List of the gravity in Yanaizu-Nishiyama geothermal field since 1997.

I&S%£B

(mgal)1997%# 1998%# 1999%#

## m#1 1.9.94 - - - - - - -

2001 1.10.97 979879.726 979879.721 979879.730 979879.722 979879.728 979879.729 979879.7192 1.9.94 979877.441 979877.439 979877.446 979877.449 979877.442 979877.443 979877.4393 1.9.94 979876.424 979876.428 979876.438 979876.442 979876.433 979876.437 979876.4264 1.9.94 979874.598 979874.597 979874.601 979874.616 979874.605 979874.607 979874.6015 1.9.94 979874.277 979874.280 979874.284 979874.283 979874.281 979874.282 979874.2726 1.9.94 979867.349 979867.353 979867.359 979867.366 979867.364 979867.359 979867.3627 1.9.94 979861.209 979861.215 979861.223 979861.226 979861.217 979861.220 979861.2218 1.9.94 979860.602 979860.607 979860.607 979860.611 979860.605 979860.615 979860.6149 1.9.94 979868.061 979868.075 979868.067 979868.079 979868.070 979868.075 979868.07810 1.9.94 979879.836 - - - - - -

2010 1.10.97 979879.754 979879.753 979879.754 979879.750 979879.750 979879.751 979879.75411 1.9.94 979884.202 979884.197 979884.191 979884.190 979884.186 979884.178 979884.19212 1.9.94 979877.680 979877.673 979877.670 979877.675 979877.673 979877.669 979877.66813 1.9.94 979871.709 979871.706 979871.706 979871.710 979871.706 979871.705 979871.70414 1.9.94 979870.353 - - - - - -

2014 15.4.98 - 979870.305 979870.304 979870.301 979870.304 979870.304 979870.31115 1.9.94 979872.784 979872.779 979872.787 979872.802 979872.783 979872.771 979872.77316 1.9.94 - - - - - - -

2016 1.10.97 979871.456 979871.450 979871.455 979871.452 979871.449 979871.435 979871.43217 1.9.94 979873.344 979873.337 979873.349 979873.337 979873.338 979873.328 979873.32518 1.9.94 979871.185 979871.177 979871.186 979871.187 979871.184 979871.186 979871.17019 1.9.94 979870.118 979870.123 979870.117 979870.131 979870.124 979870.125 979870.11020 1.9.94 979866.100 - - - - - -

2020 15.4.98 - 979865.689 979865.675 979865.688 979865.688 979865.685 979865.66121 1.9.94 979868.930 979868.918 979868.915 979868.927 979868.922 979868.904 979868.91122 1.9.94 979883.279 979883.286 979883.290 979883.283 979883.285 979883.269 979883.27723 1.9.94 — - - - - - -

2023 20.9.95 979869.692 979869.692 979869.709 979869.705 979869.695 979869.682 979869.66824 1.9.94 979872.786 979872.791 979872.795 979872.797 979872.788 979872.780 979872.77525 1.9.94 979874.910 979874.917 979874.918 979874.924 979874.904 979874.898 979874.89226 1.9.94 979869.224 979869.224 979869.216 979869.232 979869.219 979869.205 979869.19927 1.9.94 979870.625 979870.633 979870.642 979870.637 979870.626 979870.633 979870.61228 1.9.94 979875.864 979875.877 979875.874 979875.875 979875.868 979875.854 979875.86529 1.9.94 979874.606 979874.619 979874.615 979874.622 979874.612 979874.598 979874.60230 1.9.94 - - - - - - -

2030 20.9.95 979880.574 - - - - - -3030 15.4.98 - 979880.258 979880.262 979880.256 979880.257 979880.245 979880.252

31 1.9.94 979862.093 979862.084 979862.097 979862.062 979862.071 979862.069 979862.07332 1.9.94 979863.001 979862.997 979863.004 979862.978 979862.988 979862.983 979862.98933 1.9.94 979864.291 979864.298 979864.297 979864.277 979864.289 979864.281 979864.28634 1.9.94 979850.886 979850.890 979850.892 979850.903 979850.883 979850.886 979850.88435 1.9.94 - - - - - - -

2035 1.10.97 979853.308 979853.313 979853.315 979853.317 979853.311 979853.312 979853.31236 1.9.94 979875.029 979875.016 979875.014 979875.009 979875.009 979875.016 979875.02337 1.9.94 - - - - - - -

2037 31.10.96 - - - - - - -3037 1.10.97 979867.461 979867.454 979867.463 979867.449 979867.452 979867.455 979867.453

38 1.9.94 979852.091 979852.102 979852.096 979852.098 979852.099 979852.099 979852.09439 1.9.94 979834.917 979834.920 979834.917 979834.921 979834.905 979834.912 979834.91140 1.9.94 979829.958 979829.963 979829.966 979829.967 979829.953 979829.961 979829.95741 1.9.94 979845.365 979845.366 979845.367 979845.367 979845.363 979845.354 979845.34642 1.9.94 979848.024 979848.021 979848.022 979848.027 979848.026 979848.015 979848.00743 1.9.94 979847.012 979847.017 979847.018 979847.027 979847.015 979847.006 979847.00144 1.9.94 979852.685 979852.689 979852.700 979852.704 979852.687 - 979852.67145 1.9.94 979857.918 979857.929 979857.946 979857.939 - - -

-99-

H n-3-1-10^ Hil: (2/3)

Table n-3-1-10 List of the gravity in Yanaizu-Nishiyama geothermal field since 1997.

3W$jS(mgal)

1997%# 1998%# 1999%##$ mm

2045 7.15.99 - - - - - 979857.919 979857.90846 1.9.94 979863.590 979863.590 979863.612 - - - -

2046 19.1.98 - - 979863.590 979863.587 979863.578 979863.571 979863.56147 1.9.94 979863.662 979863.668 979863.684 979863.678 979863.670 979863.665 979863.65348 1.9.94 979861.471 979861.476 979861.476 979861.475 979861.470 979861.455 979861.46249 1.9.94 979871.838 979871.845 979871.841 979871.834 979871.833 979871.823 979871.83050 1.9.94 979874.494 979874.497 979874.497 979874.483 979874.489 979874.481 979874.48251 1.9.94 979864.658 979864.661 979864.672 979864.652 979864.653 979864.655 979864.65952 1.9.94 - - - - - - -

2052 31.10.96 — - - - - - -3052 1.10.97 979838.686 979838.685 979838.690 979838.685 979838.681 979838.688 979838.686

53 1.9.94 979848.714 979848.716 979848.731 979848.718 979848.712 979848.722 979848.72154 1.9.94 979855.443 979855.456 979855.435 979855.447 979855.437 979855.446 979855.44855 1.9.94 - - - - - -

2055 1.10.97 979849.569 979849.577 979849.573 - - - -3055 15.8.98 - - - 979849.573 979849.572 979849.582 979849.582

56 1.9.94 979880.706 979880.713 979880.726 979880.738 979880.704 979880.698 979880.70757 1.9.94 979866.206 979866.209 979866.212 979866.220 979866.203 979866.197 979866.19158 1.9.94 979859.512 979859.516 979859.519 979859.530 979859.512 979859.508 979859.50059 1.9.94 979860.139 979859.990 979859.990 979859.998 979859.986 979859.981 979859.97360 1.9.94 979876.924 979876.929 979876.934 979876.937 979876.921 979876.918 979876.91561 1.9.94 979875.495 979875.506 979875.518 979875.506 979875.495 979875.495 979875.48962 1.9.94 979871.337 979871.345 979871.365 979871.349 979871.338 979871.338 979871.33463 1.9.94 979868.260 979868.263 979868.272 979868.256 979868.252 979868.238 979868.24564 1.9.94 979862.332 979862.348 979862.359 979862.338 979862.333 979862.335 979862.32865 1.9.94 979857.481 979857.506 979857.519 979857.496 979857.501 979857.496 979857.49366 1.9.94 979862.258 979862.281 979862.285 979862.282 979862.274 979862.265 979862.27867 1.9.94 979852.626 979852.626 979852.635 979852.644 979852.617 979852.611 979852.62068 1.9.94 979837.789 979837.826 979837.844 979837.837 979837.826 979837.819 979837.82969 1.9.94 979875.180 979875.185 979875.195 979875.187 979875.175 979875.171 979875.16370 1.9.94 979873.587 979873.595 979873.601 979873.592 979873.583 979873.575 979873.57171 1.9.94 979870.644 979870.663 979870.673 979870.663 979870.649 979870.645 979870.64172 1.9.94 979865.649 979865.662 979865.667 - - - -

2072 15.8.98 - - - 979865.667 979865.657 979865.654 979865.64973 1.9.94 - - - - - - -

2073 1.10.97 979874.808 979874.835 979874.826 - - - -3073 15.8.98 - - - 979874.809 979874.798 979874.793 979874.809

74 1.9.94 979872.453 979872.479 979872.470 979872.476 979872.458 979872.455 979872.47075 1.9.94 979870.874 979870.892 979870.887 979870.889 979870.865 979870.861 979870.87676 1.10.97 979863.787 979863.789 979863.796 979863.802 979863.784 979863.790 979863.79677 1.10.97 979860.697 979860.695 979860.700 979860.688 979860.684 979860.681 979860.67878 1.10.97 979839.901 979839.896 979839.911 979839.909 979839.894 979839.905 979839.89979 1.10.97 979868.773 979868.770 979868.753 979868.763 979868.764 979868.745 979868.73980 1.10.97 979865.703 979865.709 979865.706 979865.700 979865.696 979865.696 979865.68981 1.10.97 979899.400 979899.383 979899.377 979899.388 979899.393 979899.377 979899.37582 1.10.97 979887.261 979887.254 979887.246 979887.264 979887.255 979887.247 979887.24383 1.10.97 979884.519 979884.516 979884.507 979884.524 979884.515 979884.511 979884.49484 1.10.97 979882.654 - - - - - -

2084 15.4.98 - 979883.773 979883.766 979883.782 979883.769 979883.758 979883.77285 1.10.97 979872.329 979872.336 979872.324 979872.340 979872.324 979872.315 979872.32786 1.10.97 979861.651 979861.663 979861.658 979861.676 979861.649 979861.681 979861.68987 1.10.97 979822.754 979822.771 979822.763 979822.769 979822.753 979822.767 979822.76188 1.10.97 979825.755 979825.783 979825.769 979825.780 979825.776 979825.777 979825.76989 1.10.97 979840.740 979840.759 979840.746 979840.737 979840.751 979840.758 979840.75490 1.10.97 979850.519 979850.526 979850.514 979850.514 979850.518 979850.528 979850.52591 1.10.97 979861.514 979861.524 979861.514 979861.508 979861.515 979861.523 979861.522

-100-

W> II-3-1-10$ (3/3)

Table H -3-1-10 List of the gravity in Yanaizu-Nishiyama geothermal field since 1997.

## asm$SB

(mgal)1997$# 1998$# 1999$#

## me ## me «e92 1.10.97 979867.936 979867.945 979867.943 979867.933 979867.941 979867.952 979867.94993 1.10.97 979857.836 979857.825 979857.831 979857.808 979857.814 979857.823 979857.81894 1.10.97 979847.874 979847.868 979847.873 979847.864 979847.865 979847.874 979847.86995 1.10.97 979849.641 979849.641 979849.654 979849.643 979849.641 979849.646 979849.64496 1.10.97 979857.490 979857.478 979857.493 - - - -

2096 15.8.98 - - - 979856.487 979856.482 979856.492 979856.48897 1.10.97 979867.216 979867.208 979867.198 979867.221 979867.209 979867.207 979867.21298 1.10.97 979861.534 979861.533 979861.529 979861.544 979861.534 979861.535 979861.54299 1.10.97 979860.764 979860.758 979860.754 979860.768 979860.765 979860.764 979860.769100 1.10.97 979860.623 979860.620 979860.618 979860.624 979860.619 979860.622 979860.629101 1.10.97 979854.506 979854.508 979854.499 979854.517 - - -

2101 15.4.99 - - - - 979853.521 979853.523 979853.533102 1.10.97 979834.000 979833.998 979833.996 979834.014 979833.990 979834.005 979833.997103 1.10.97 979837.926 979837.928 979837.926 979837.929 979837.914 979837.932 979837.928104 1.10.97 979846.292 979846.306 979846.288 979846.304 979846.292 979846.312 979846.301105 1.10.97 979844.371 979844.382 979844.365 979844.380 979844.368 979844.384 979844.376106 1.10.97 979821.136 979821.135 979821.136 979821.142 979821.125 979821.143 979821.135107 1.10.97 979785.506 979785.493 979785.505 979785.501 979785.489 979785.502 979785.478108 1.10.97 979830.988 979830.982 979830.987 979830.990 979830.983 979830.996 979830.963109 1.10.97 979846.876 979846.869 979846.860 979846.876 979846.874 979846.883 979846.853110 1.10.97 979861.130 979861.125 979861.121 979861.128 979861.133 979861.142 979861.112111 1.10.97 979862.927 979862.922 979862.915 979862.922 979862.925 979862.934 979862.902112 1.10.97 979867.484 979867.480 979867.480 979867.480 979867.480 979867.491 979867.466113 1.10.97 979859.782 979859.782 979859.789 979859.782 979859.783 979859.792 979859.769114 1.10.97 979861.293 979861.290 979861.280 979861.306 979861.281 979861.276 979861.286115 1.10.97 979846.452 979846.455 979846.454 979846.444 979846.446 979846.447 979846.451116 1.10.97 979854.125 979854.131 979854.130 979854.128 979854.117 979854.122 979854.124117 1.10.97 979861.864 979861.855 979861.849 979861.857 979861.842 - 979861.853118 1.10.97 979874.122 979874.119 979874.121 979874.117 979874.112 979874.134 979874.124119 1.10.97 979862.172 979862.178 979862.168 979862.174 979862.169 979862.184 979862.174120 1.10.97 979860.142 979860.147 979860.149 979860.145 979860.148 979860.165 979860.158121 1.10.97 979866.033 979866.033 979866.035 979866.032 979866.032 979866.046 979866.043122 1.10.97 979878.007 979878.004 979878.010 979877.996 979878.004 979878.019 979878.013123 1.10.97 979890.634 979890.619 979890.619 979890.614 979890.618 979890.632 979890.626124 1.10.97 979894.058 979894.058 979894.051 979894.046 979894.058 979894.069 979894.066125 1.10.97 979856.233 979856.223 979856.236 - - - -

2125 14.5.98 - - 979856.234 979856.237 979856.225 979856.210 979856.221126 1.10.97 979860.983 979860.980 979860.993 979860.984 979860.982 979860.986 979860.987127 1.10.97 979861.363 979861.363 979861.371 979861.365 979861.367 979861.379 979861.373128 1.10.97 979861.930 979861.925 979861.924 979861.930 979861.917 979861.925 979861.930129 15.4.98 - 979869.514 979869.517 979869.518 979869.509 979869.511 979869.516130 15.4.98 - 979871.525 979871.512 979871.510 979871.516 979871.519 979871.502

1995 20.9.95 979887.284 979887.284 979887.284 979887.284 979887.284 979887.284 979887.2841001 1.9.94 979887.269 979887.272 979887.283 979887.270 979887.283 979887.286 979887.2711002 1.9.94 979860.806 979860.809 979860.807 979860.811 979860.803 979860.805 979860.8121003 1.9.94 979877.346 979877.356 979877.347 979877.352 979877.348 979877.352 979877.3601004 1.9.94 979859.082 979859.084 979859.100 979859.094 979859.085 979859.075 979859.0661005 1.9.94 979873.722 979873.729 979873.726 979873.712 979873.723 979873.708 979873.6991006 1.9.94 979864.691 979864.692 979864.695 979864.694 979864.688 979864.677 979864.6731007 1.9.94 979879.761 979879.767 979879.764 979879.775 979879.758 979879.755 979879.7461008 1.9.94 979873.407 979873.401 979873.408 979873.401 979873.403 979873.391 979873.388

-101-

m n-3-l-ll:Toklo TT T 1 1 1

Date 04/07/99 05/18/99 06/01/99 06/15/99 06/29/99 07/13/99 08/24/99 09/07/99 09/21/99 10/05/99 11/15/99 11/30/99 12/14/99 12/25/99 01/11/00 01/25/00 02/08/00 02/22/00 03/07/00 03/21/00

Gravimeter CG-3M-2 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3 CG-3M-3

FactorStations. 0.999813 0.999353 0.999363 0.999374 0.999384 0.999406 0.999535 0.999578 0.999620 0.999663 0.999746 0.999773 0.999798 0.999818 0.999849 0.999874 0.999899 0.999924 0.999950 0.999975

1995 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

92 -19.343 -19.346 -19.344 -19.343 -19.342 -19.340 -19.338 -19.340 -19.341 -19.338 -19.342 -19.335 -19.342 -19.336 -19.335 -19.344 -19.346 -19.347 -19.345 -19.347

87 -64.535 -64.531 -64.528 -64.528 -64.528 -64.523 -64.522 -64.523 -64.526 -64.526 -64.525 -64.523 -64.515 -64.519 -64.526 -64.528 -64.528 -64.529 -64.531 -64.536

129 -17.773 -17.777 -17.773 -17.773 -17.773 -17.769 -17.771 -17.772 -17.774 -17.772 -17.767 -17.763 -17.763 -17.766 -17.766 -17.771 -17.774 -17.768 -17.771 -17.769

48 -25.828 -25.820 -25.818 -25.821 -25.821 -25.817 -25.819 -25.822 -25.823 -25.820 -25.814 -25.815 -25.813 -25.815 -25.806 -25.815 -25.816 -25.817 -25.824 -25.819

2046 -23.708 -23.714 -23.712 -23.712 -23.709 -23.708 -23.712 -23.713 -23.711 -23.710 -23.704 -23.708 -23.708 -23.707 -23.709 -23.710 -23.711 -23.710 -23.712 -23.705

2125 -31.066 -31.073 -31.072 -31.071 -31.071 -31.067 -31.069 -31.068 -31.068 -31.070 -31.070 -31.066 -31.062 -31.062 -31.064 -31.065 -31.064 -31.067 -31.061 -31.064

41 -41.929 -41.930 -41.923 -41.925 -41.924 -41.923 -41.928 -41.925 -41.924 -41.923 -41.921 -41.921 -41.928 -41.929 -41.922 -41.929 -41.923

58 -27.772 -27.772 -27.780 -27.777 -27.776 -27.772 -27.778 -27.778 -27.779 -27.780 -27.777 -27.776 -27.777 -27.777 -27.771 -27.782 -27.781 -27.777 -27.784 -27.784

130 -15.767 -15.776 -15.772 -15.770 -15.774 -15.768 -15.773 -15.773 -15.775 -15.775 -15.776 -15.775 -15.774 -15.773 -15.778 -15.772 -15.776 -15.775 -15.775 -15.777

121 -21.252 -21.247 -21.250 -21.245 -21.246 -21.249 -21.250 -21.256 -21.250 -21.251 -21.251 -21.245

9999 25.641 25.637 25.636 25.638 25.636 25.644 25.631 25.634 25.637 25.634 25.636 25.635 25.642 25.644 25.640 25.644 25.647 25.643 25.644

CG-3M-1 CG-3M-2 CG-3M-3Date CF Date CF Date CF

01/22/98 0.999823 01/22/98 0.999408 04/03/98 0.999319 04/03/98 0.999486

03/02/99 0.99979704/15/99 0.999136 04/15/99 0.999817 04/15/99 0.999328

07/08/99 0.999391 10/12/99 0.999685 03/29/00 0.999989

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m n-3-i-i2m d/6)

Table n -3-1-12 List of gravity changes.

## ssassB

</zgau

'97«~'98# '97«~'98l ,97tt~,98tt '97%k~'99# '97%k~'99% '97%k~'99%k1 1.9.94 - - - - - -

2001 1.10.97 -5 3 -4 2 3 -72 1.9.94 -2 6 8 2 3 -23 1.9.94 4 14 18 9 13 34 1.9.94 -1 3 18 7 9 35 1.9.94 3 6 6 3 5 -56 1.9.94 4 10 17 16 10 147 1.9.94 6 15 18 9 12 138 1.9.94 6 5 9 3 14 139 1.9.94 14 6 18 8 14 1710 1.9.94 - - - - - -

2010 1.10.97 -1 -1 -4 -4 -3 011 1.9.94 -4 -10 -11 -15 -24 -1012 1.9.94 -7 -10 -5 -6 -10 -1213 1.9.94 -3 -3 1 -2 -3 -514 1.9.94 - - - - - -

2014 15.4.98 - - - - - -15 1.9.94 -5 3 19 -1 -13 -1116 1.9.94 - - - - - -

2016 1.10.97 -6 -1 -3 -6 -21 -2417 1.9.94 -8 5 -8 -6 -17 -1918 1.9.94 -8 1 2 -1 1 -1519 1.9.94 5 -1 13 6 7 -820 1.9.94 - - - - - -

2020 15.4.98 - - - - - -

21 1.9.94 -13 -16 -3 -8 -26 -1922 1.9.94 7 11 4 6 -10 -123 1.9.94 - - - - - -

2023 20.9.95 0 17 13 3 -11 -2524 1.9.94 5 9 12 2 -6 -1125 1.9.94 6 8 14 -6 -12 -1826 1.9.94 -1 -8 8 -5 -19 -2527 1.9.94 8 17 12 1 8 -1328 1.9.94 13 10 11 4 -10 129 1.9.94 13 9 16 6 ~8 -430 1.9.94 - - - - - -

2030 20.9.95 - - - - - -3030 15.4.98 - - - - - -

31 1.9.94 -9 3 -32 -23 -25 -2132 1.9.94 -4 3 -23 -13 -18 -1333 1.9.94 7 6 -14 -2 -10 -534 1.9.94 4 5 16 -3 -1 -235 1.9.94 - - - - - -

2035 1.10.97 5 7 9 3 4 436 1.9.94 -14 -15 -21 -20 -14 -637 1.9.94 - - - - - -

2037 31.10.96 - - - - - -3037 1.10.97 -7 2 -12 -8 -6 -7

38 1.9.94 11 5 6 8 8 339 1.9.94 3 -1 4 -13 -5 -740 1.9.94 5 8 9 -5 3 -141 1.9.94 1 2 1 -3 -12 -1942 1.9.94 -3 -2 3 2 -9 -1743 1.9.94 5 6 14 2 -6 -1144 1.9.94 4 14 19 2 - -1445 1.9.94 11 27 21 - - -

-130-

(2/6)List of gravity changes.

B n-3-1-12^Table II -3-1-12

aisis'979i~'98S '97#i~'

(/tgal)

98% 97#-'98# ’97tt~’99# '97ifek~’99$ '97$k~'99#2045 7.15.99 - - - - - -

46 1.9.94 0 21 - - - -2046 19.1.98 - - - - - -

47 1.9.94 6 22 15 7 3 -948 1.9.94 5 6 5 -1 -16 -849 1.9.94 7 4 —4 -5 —14 -850 1.9.94 3 3 -11 -5 -13 -1251 1.9.94 3 14 -6 -5 -3 152 1.9.94 - - - - - -

2052 31.10.96 - - - - - -3052 1.10.97 -1 4 0 -4 3 1

53 1.9.94 2 17 4 -1 8 754 1.9.94 13 -8 4 -6 4 555 1.9.94 - - - - - -

2055 1.10.97 8 - - - - -3055 15.8.98 - - - - - -

56 1.9.94 6 20 32 -2 -9 157 1.9.94 3 6 14 -3 -8 -1558 1.9.94 4 7 18 0 —4 -1259 1.9.94 - - - - - -60 1.9.94 5 10 13 -3 —6 -961 1.9.94 11 23 11 0 0 -662 1.9.94 8 28 12 1 1 -363 1.9.94 3 12 -4 -9 -22 -1564 1.9.94 16 27 5 1 2 -565 1.9.94 24 38 15 19 15 1266 1.9.94 23 27 23 15 6 1967 1.9.94 0 8 18 -9 -15 -668 1.9.94 38 55 48 37 30 4069 1.9.94 5 15 7 -5 -10 -1770 1.9.94 8 14 4 -4 -12 -1671 1.9.94 19 29 19 5 1 -372 1.9.94 13 - - - -

2072 15.8.98 - - - - - -73 1.9.94 - - - - - -

2073 1.10.97 26 - - - - -3073 15.8.98 - - - - - -

74 1.9.94 27 17 23 5 2 1775 1.9.94 18 13 15 -9 -13 276 1.10.97 2 9 15 -4 3 977 1.10.97 -1 3 -9 -13 -15 -1878 1.10.97 -6 10 8 -7 3 -279 1.10.97 -3 -21 -11 -9 -28 -3480 1.10.97 6 3 -3 -7 -7 —1481 1.10.97 -17 -23 -11 -7 -22 -2582 1.10.97 -7 -15 3 -6 -14 -1883 1.10.97 -4 -12 5 -5 -9 -2684 1.10.97 - - - - - -

2084 15.4.98 - - - - - -85 1.10.97 8 -5 11 -5 -14 -286 1.10.97 12 7 26 -2 30 3987 1.10.97 16 8 14 -2 13 788 1.10.97 28 15 25 21 22 1589 1.10.97 19 6 -4 10 18 1390 1.10.97 8 —4 -5 0 9 691 1.10.97 10 0 -5 1 9 9

-131-

# H-3-1-12# (3/6)Table n -3-1-12 List of gravity changes.

aisis##

(//gal)

,97t*~’98# '978i~'981 97R- 98# 97^-99# ’97^~’99$ '97%k~'99#92 1.10.97 9 7 -3 4 16 1393 1.10.97 -11 -5 -28 -22 -13 -1894 1.10.97 -6 -1 -10 -9 0 -595 1.10.97 0 13 2 0 6 396 1.10.97 -13 - - - - -

2096 15.8.98 - - - - - -97 1.10.97 -8 -18 5 -6 -9 -398 1.10.97 -1 -5 11 0 1 999 1.10.97 -5 -10 4 1 1 6100 1.10.97 -2 -5 1 -4 0 7101 1.10.97 2 -7 11 - - -

2101 15.4.99 - - - - - -102 1.10.97 -2 -4 13 -10 4 -4103 1.10.97 2 1 3 -12 6 2104 1.10.97 14 -4 12 0 20 9105 1.10.97 11 -6 9 -2 14 5106 1.10.97 -1 0 6 -11 7 -1107 1.10.97 -13 -1 -5 -17 -4 -28108 1.10.97 -6 -1 2 -5 8 -25109 1.10.97 -7 -16 0 -2 7 -23110 1.10.97 -4 -8 -2 4 13 -17111 1.10.97 -5 -12 -5 -2 7 -26112 1.10.97 -4 -4 -4 -3 7 -17113 1.10.97 0 7 0 1 10 -13114 1.10.97 -3 -12 14 -11 -17 -6115 1.10.97 3 2 -8 -6 -5 -1116 1.10.97 6 5 3 -8 -3 0117 1.10.97 -10 -16 -8 -23 - -11118 1.10.97 -3 -2 -5 -11 12 2119 1.10.97 6 -5 1 -4 11 1120 1.10.97 5 7 4 6 23 16121 1.10.97 0 2 -1 -1 13 10122 1.10.97 -2 3 -10 -3 12 6123 1.10.97 -16 -16 -20 -17 -2 -8124 1.10.97 1 -7 -12 0 12 8125 1.10.97 -11 2 - - - -

2125 14.5.98 - - - - - -126 1.10.97 -2 11 1 0 4 5127 1.10.97 0 9 3 5 16 11128 1.10.97 -6 -7 -1 -14 -6 0129 15.4.98 - - - - - -130 15.4.98 - - - - - -1995 20.9.95 - - - - - -1001 1.9.94 3 14 1 14 17 21002 1.9.94 4 1 5 -2 0 71003 1.9.94 10 2 6 2 7 141004 1.9.94 2 18 12 3 -7 -161005 1.9.94 7 4 -11 1 -14 -231006 1.9.94 1 4 3 -3 -14 -181007 1.9.94 6 2 14 -3 -6 -151008 1.9.94 -7 1 -7 —4 -17 -19

3 4 4 -2 -1 —4

132

# n-3-i-i2m

Table n-3-1-12(4/6)

List of gravity changes.

## sSS^B

«S*eiE,%frS2jSE®l (V gal)

'97#~'98# '97Si~’98* ,97#~’98$li '97%k~'99# '97%k-'99% '97#!~'99%k1 1.9.94 - - - - - -

2001 1.10.97 —4 5 -2 5 6 -3

2 1.9.94 -1 7 10 4 5 2

3 1.9.94 4 15 18 11 16 6

4 1.9.94 -1 3 18 9 11 5

5 1.9.94 3 7 7 5 8 -4

6 1.9.94 5 11 16 17 11 14

7 1.9.94 6 14 17 9 12 12

8 1.9.94 6 5 9 4 14 13

9 1.9.94 15 7 18 9 15 17

10 1.9.94 - - — - - -

2010 1.10.97 -1 0 -4 -3 -1 211 1.9.94 —4 -10 -11 -16 -21 -9

12 1.9.94 -6 -8 -3 -3 -7 -10

13 1.9.94 -2 -2 3 0 -1 -314 1.9.94 - - - - - -

2014 15.4.98 - - - - - -

15 1.9.94 -5 8 24 2 -9 -11

16 1.9.94 - - - - - -

2016 1.10.97 -6 -1 -3 -6 -19 -2517 1.9.94 -8 5 —4 -5 -13 -17

18 1.9.94 -8 0 4 -2 2 -15

19 1.9.94 3 —4 15 4 7 -9

20 1.9.94 - - - - - -2020 15.4.98 - - - - - -

21 1.9.94 -13 -12 3 -4 -24 -19

22 1.9.94 7 11 4 6 —6 -1

23 1.9.94 - - - - - -

2023 20.9.95 -3 15 10 0 -12 -2824 1.9.94 5 7 8 0 -7 -15

25 1.9.94 5 6 10 -9 -15 -23

26 1.9.94 0 -10 5 -7 -21 -2927 1.9.94 7 16 10 0 7 -15

28 1.9.94 12 9 9 3 -10 -1

29 1.9.94 12 8 15 6 -8 -5

30 1.9.94 - - - - - -2030 20.9.95 - - - - - -

3030 15.4.98 - - - - - -

31 1.9.94 -8 3 -33 -22 -26 -20

32 1.9.94 -3 3 -25 -13 -19 -13

33 1.9.94 8 6 -15 -1 -9 -5

34 1.9.94 7 6 15 -4 -1 -1

35 1.9.94 - - - - - -

2035 1.10.97 8 8 8 4 5 5

36 1.9.94 -12 -11 -18 -19 -10 -4

37 1.9.94 - - - - - -

2037 31.10.96 - - - - - -3037 1.10.97 -6 3 -12 -8 -5 -6

38 1.9.94 10 0 2 3 3 2

39 1.9.94 1 -9 -6 -21 -12 -9

40 1.9.94 2 -3 -3 -16 -6 -5

41 1.9.94 0 0 -1 -7 -18 -2142 1.9.94 -4 -4 1 -1 -14 -19

43 1.9.94 4 4 13 -1 -12 -1544 1.9.94 4 15 19 0 - -1845 1.9.94 12 29 23 - - -

-133-

List of gravity changes.W> n -3-1-121^

Table H -3-1-12

e#

(Algal)

'97#~’98* ,978;~,98* ’97«~'98« '97%k~'99# '97^-99$ '97%k~'99%K2045 7.15.99 - - - - - -

46 1.9.94 0 23 - - - -

2046 19.1.98 - - - - - -

47 1.9.94 6 21 14 6 1 -11

48 1.9.94 6 6 5 0 -14 -5

49 1.9.94 10 7 -1 -3 -13 -7

50 1.9.94 7 8 -8 -4 -11 -12

51 1.9.94 3 14 -7 -6 -3 1

52 1.9.94 - - - - - -

2052 31.10.96 - - - - - -

3052 1.10.97 -4 -4 -10 -13 -5 -4

53 1.9.94 0 13 -1 -5 5 7

54 1.9.94 12 -8 2 -7 4 4

55 1.9.94 - - - - - -

2055 1.10.97 8 - - - - -

3055 15.8.98 - - - - - -

56 1.9.94 6 18 30 -5 -9 -3

57 1.9.94 2 5 12 -5 -9 -18

58 1.9.94 2 3 12 -5 -8 -16

59 1.9.94 - - - - - -60 1.9.94 6 11 16 -3 -5 -10

61 1.9.94 10 24 13 -1 0 -9

62 1.9.94 4 25 8 -4 -5 -1063 1.9.94 -3 7 -10 -16 -30 -2364 1.9.94 5 18 -5 -11 -11 -17

65 1.9.94 9 25 1 3 -2 -4

66 1.9.94 21 21 21 13 5 1667 1.9.94 -4 -3 10 -16 -22 -1268 1.9.94 31 37 32 22 16 27

69 1.9.94 5 14 5 -7 -11 -2170 1.9.94 8 12 1 -7 -14 -2071 1.9.94 18 27 15 2 -1 -7

72 1.9.94 11 - - - - -2072 15.8.98 - - - - - -

73 1.9.94 - - - - - -2073 1.10.97 25 - - - - -3073 15.8.98 - - - - - -

74 1.9.94 25 16 19 1 -1 1375 1.9.94 15 10 9 -14 -17 -376 1.10.97 3 9 14 -5 2 977 1.10.97 -7 -6 -20 -23 -24 -27

78 1.10.97 -6 6 2 -11 2 -279 1.10.97 -3 -20 -10 -8 -27 -35

80 1.10.97 7 5 -1 -3 -3 -11

81 1.10.97 -17 -22 -11 -6 -19 -2582 1.10.97 -6 -13 6 -2 -11 -1683 1.10.97 -2 -10 9 1 -6 -2484 1.10.97 - - - - - -

2084 15.4.98 - - - - - -85 1.10.97 8 -3 13 -2 -10 3

86 1.10.97 12 8 26 -1 32 4587 1.10.97 16 8 14 -3 12 1788 1.10.97 28 15 26 21 23 24

89 1.10.97 19 6 -4 9 17 1990 1.10.97 8 -4 -5 0 9 1091 1.10.97 10 0 -5 1 8 9

-134-

# H-3-1-12# Table n -3-1-12

(6/6)List of gravity changes.

## ,978i~,98# ’97«~'98 * G

s e -

i to 00 e '97%k~'99# ’97£k~’99$ '97#~'99%k92 1.10.97 9 6 -4 3 18 13

93 1.10.97 -11 -5 -28 -21 -13 -16

94 1.10.97 -5 0 -9 -8 1 -1

95 1.10.97 -1 13 1 0 6 6

96 1.10.97 -12 - - - - -

2096 15.8.98 - - - - - -

97 1.10.97 -8 -18 5 -7 -10 -598 1.10.97 -1 -5 10 0 0 7

99 1.10.97 -6 —11 3 -1 -2 2

100 1.10.97 -2 -5 1 -5 -1 4

101 1.10.97 2 -9 8 - - -

2101 15.4.99 - - - - - -

102 1.10.97 -2 -4 14 -10 5 -3

103 1.10.97 2 1 3 -12 6 0

104 1.10.97 14 —4 11 -1 19 7

105 1.10.97 11 -7 8 —4 12 2

106 1.10.97 -1 -1 5 -13 5 4

107 1.10.97 -15 -4 -9 -22 -11 -24

108 1.10.97 -7 —4 -2 -10 1 -28

109 1.10.97 -7 -17 -1 -3 6 -24

110 1.10.97 -4 -8 2 3 12 -18111 1.10.97 -6 -13 -6 -3 7 -26

112 1.10.97 -4 -5 -1 -1 8 -16

113 1.10.97 0 5 3 2 8 -13114 1.10.97 -2 -11 17 -8 -12 -2

115 1.10.97 4 4 -5 -2 1 7

116 1.10.97 7 6 6 -5 1 5

117 1.10.97 -9 -14 -5 -19 - -6

118 1.10.97 -4 4 1 -5 16 4

119 1.10.97 9 0 7 0 13 5

120 1.10.97 5 8 4 7 24 20

121 1.10.97 0 2 0 0 14 13

122 1.10.97 -5 3 -9 0 16 9

123 1.10.97 -15 -14 -17 -12 4 -6

124 1.10.97 1 -5 -7 4 19 10

125 1.10.97 -10 4 - - - -

2125 14.5.98 - - - - — -

126 1.10.97 -2 11 2 1 3 5

127 1.10.97 0 8 3 4 16 14

128 1.10.97 -4 -3 4 -10 -2 7

129 15.4.98 - - - - - -

130 15.4.98 - - - - - -

1995 20.9.95 - - - - - -

1001 1.9.94 3 14 1 16 20 4

1002 1.9.94 4 2 7 -2 0 7

1003 1.9.94 10 4 7 4 8 15

1004 1.9.94 3 20 15 0 -9 -19

1005 1.9.94 8 5 -8 -1 -15 -26

1006 1.9.94 —1 2 7 -6 —16 -22

1007 1.9.94 7 4 16 -5 -6 -17

1008 1.9.94 -7 0 -4 -4 -14 -18

2 4 4 -3 -2 -5

-135-

aH7k<4E«i|#10#aS^© o *,No. 1 kNo.7&B < 8 Jft^l;tt*?LkS'J?L© 2 o©#p^<n^n#gijsn/z= no.iji, no.2sij?l, no.ssijjl, No.ma,, no.smjl,No.6@IJL, No.7%, No.89J?l, No.9SJfL®y'No. 109JfLffllH0?LlC*Ea:*eH'6l§e

mm'?-*®'ix?-

V-CK#$jT.6.> ^fmfliiso^Tsaeoofl-130wztm v

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No.2*?L, No.3*?L, No.4*?L, No.5*?L, No.6*?L, No.8*?L, No.9*?L®V No. 10 * ?L C * ii-T « * S El 91 ® <¥ C tKIS 4 « S b £ „

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BSmi&V'oNo. 3 S'JdfLStN No.4 SiJ?L©7kettfi^fi*5«'i7t' SHloltflg© t> ftSo *fc, 1998

# 7 ^ !#& 6aai:_k# No. 5 SiJ?L©7K(4ttSffi» 16m±flLTV5„ 1999©illRl6sll$ ^"C V5. 6©©, S4 * $£ ilia ©Ufa A5 S to 6 ft.

5. *okt,Ji6nffl(i|ql©aV»1ofc 1998 ^ 11 fl~1999 ElfUE#© No.2125 ©#*# 25mm *fi<*oTJb‘0, C © <k 5 ?R)liia©l$6a©16^ttijgCotl'J *fe, 1999 4?2H#J■BA16 3 fl±-9tc*lt"C*Ali©(iiFH+©tti**s x, y WAEI k ga#L, jESâ*i$iEiM$as-C-$66^fc0 ZCDZti)^, No.5 SiJ?L©7kteAS|Bl8i| 56aiaffl©HSTto%16ffi'$l!)tc#7Ra®7kE©$4bSEx.XV^nJEtt6:t^6n5 =

6. f ©m©*#@Ds

-211-

m n-3-1-13Table n-3-1-1

(1/2)Summary of continuous groundwater level measurement results.

WP MirMWiomm

No.l 1998 ^7^ f TL, 7^ f F(l, f %

7)'70'cyhyh%i(CÛ7^t,^<!:#f6aNo.5

?Lf A(7;gd#(cm;^^f^#d#^TLTV'^V't(D(c:ciV'Tt, C(7y*{u: ±#o 12

friTV'6^fif

No.2Fl%#9i§

fa 1998f9^7iîi<[lISiJ^0(^(C=i^y — h^-p^ (%7k(D^f9A&##S#&fbTV'6;4\ No.2f ?LT

V'^V\

#jAged^T(c^îb6#.#^7K^(7)±#(d: No.s ?Lf THcjof 6i$**9, l^^(cj:6—6Tb

##&v f cf #fWi,6a

No.3 1998 ¥7^ 30 0 —31 B (#210-211 B g) (Cf f§ Â<&(D±#^#S%)LTb6a f (7)#(7;%^(CjoV'T

1998 ¥7M 30 B-31 B (S 210-211 B g)

28 B (CZ(04MT#9##Vb#fT,TbTV'6a No.S (C#f6lW:## 7 ^ 28—30 H<E>3PffUT 157mm (C#V\ No.38U?L(7)fm^7^ 30 BK#.l%(clSF(ir(7; Wvf) LTV '6T<bO'(f T(D#(CJ:C)T#RM/)^ mc#f f ##%)%6<!:#f 6.

No. 4 4^ —10 â 300cm#iac*e

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7K#(czk%%<%6<lN ^V'(m^(D^7K@fT Ff6(DT(i^v^f #f6.

No.5 socm@^<&^#7)'^%iLFb6a ^^(±7K<&^±

#f6a

1998 f 5J] f#]fTK##KW^^fbyb^/W^^(7)7kea(d:AT%m<L(7)mm^$)6a f#T(3\ 5^ 14 B(#133 B g)(C%0(D=f>^0 — vcf^fbf T<f 61-J 5:111

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1998 f-5 A 14 BC##b=]>fy—±^_L$ûy:yby). f (7;m:#^mA(i^v'a 1999 f4^^fTwfm:^^ Fc^LT(±maz)'m<fA'cTV'^V\

No. 7 *fu:(7){ST(7;f±^^ 2400 cm j: W '<kc6(kf tbj;^^V'6Z6TIMW4C#ôTV'6a(i N0.4 yij?L-et#s%^TLâ

#mf 24oocmfM(-^y, i^m^(7;B#T%j:t)7K{&^±#L^(b#(cf(7;i%^/v-fT(imig(:f^z)^mf6^#f6a

No.8 No.2 <k|p|#(C|%M4(&:#4LLT# 10 cm f{]i(D±#«>2tUC#<#^^7klu:(7)lg: F$r#iO^L TV '6a No.2 (cfk^T#f A#v \

socm @^±#f6^m^m:m/i^^LTb6a

Z(Df #Tf 5/1 14 BtCnyyf—b^B^cDf

SUVf'Sv 'of fir slf fix LTV '6 nJfb-t'Tf $)6a l%m(:T6f#:^<WS#C fM<^=f #(7)#f f 6f,6a

-212

m n-3-i-nm (2/2)Table 13-3-1-1 Summary of continuous groundwater level measurement results.

Ko.9

3i& MU Ltz0 ^Tkg <d ifiTkkb 1% (c & £F

No. 10/j' fo&c '{'£& 300cmf'j"SX:'O')*{5MWiftf b4$W. {& 340cm

340cm fT^C^E^Tk# (7) Haz%%L ^7k^fbW#V'#^C(d:C(D

^7K@^7k3&^E^L-Cv^^\"C C(D#7k@/0^(7)7K(D#$^±^6«l:, cti,X y w. t '^Tk/i <o ]±J) 7ksl©3ig^-C7k{i/^

213-

Gro

undw

ater

Leve

l (cm

) G

roun

dwat

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evel

(cm

) G

roun

dwat

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evel

(cm

) G

roun

dwat

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evel

(cm

) G

roun

dwat

er L

evel

(cm

)

500

600

700

800

900

1000

well No.1 (No.87)

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

500

600

700

800

900

1000

Date

-100 -q

0 -j

100 -E

200 -E

well No.2s (No.92)

300 -E

400 -■

-100

0

100

200

300

400

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

Date

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

Date

100

200

300

400

Date

-100

400

m n-3-1-71 Ei a/2)Fig. n -3-1-71 Results of continuous groundwater level measurement in the monitoring wells.

214-

Gro

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ater

Leve

l (cm

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(cm

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(cm

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Eowell No.6s (No.41)

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

0

100

200

300

400

-100

Date

2100 -

2200

2300 -E 2400 -E

2500 -E2600

well No.7 (No.58)2100

=- 2200

E“ 2300

E- 2400

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100

200

300

400

500

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well No.8s (No.121)

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

100

200

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Date

well No.9s (No.129)

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

600

700

800

900

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Date

well No.10s (No.130)

— 400

1/1/98 3/2/98 5/1/98 6/30/98 8/29/98 10/28/98 12/27/98 2/25/99 4/26/99 6/25/99 8/24/99 10/23/99 12/22/99 2/20/00

Datem n-3-i-7im (2/2)

Fig. n -3-1-71 Results of continuous groundwater level measurement in the monitoring wells.

-215-

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Fig. n -3-1-72 Results of patrol groundwater level measurement in the monitoring wells.

-218-

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01/01/98 04/02/98 07/02/98 10/01/98 12/31/98 04/01/99 07/01/99 09/30/99 12/30/99 03/30/00

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m n-3-i-72im ymminmja&m (2/2)Fig. H -3-1-72 Results of patrol groundwater level measurement in the monitoring wells.

-219-

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% n-3-i-73d! (^: *U±• xUll.• B/ks• 7kiH)Fig- II -3-1-73 Results of meteorological measurements at the gravity station No 2125 and

No.48.

-220-

plan view

IIII

Gravity Station No. 2125

sensor cable (buried)

monitoring well No.Ss

GPS antennamonitoring well No.5d

trench location

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5 m

Cross Section

Fill(upper: crashed rocks lower: silt)

1.10m-------------------Organic silt with gravel (gray - black colored)

Fill (crashed rocks) "0.35m------------------- ch.1 —

Fill(crashed rocks/silt) ch.2

1.05m - ch.3 .▼ groundwater level Fill

in the well No.5 (silt/clay) ch.4 ■—■1.69m

July 27,1999 8:00am. ^uum • - ch.5 —

organic soil ch.6 —(gray-black colored)

Layout of TDR equipments

# H-3-1-75E]Fig. II -3-1-75 Layout of TDR equipments.

-223-

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— 300m

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i 11-3-2-10

Fig. II-3-2-1 Vertical structure of reservoir simulation grid.

mmmm.

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-233-

Yanaizu-Nishiyama Geothermal Area

Well Bottom : Well

+ : Gravity Monitoring Point

: Fault

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II-3-2-2H

Fig. II -3-2-2 Horizontal structure of reservoir simulation grid.

-234-

CCL toolgamma tool

Wall lock

Sensortravel 8.5 feet

Shuttle System diagram

The shuttle system provides more accurate BHGM densities over short vertical intervals by eliminating errors in depth difference measurements.

!HII-3-2-3®

Fig. II -3-2-3 Shuttle-type borehole gravimeter.

235-

s ii-3-2-4gi Pifommi tzonmomitM

Fig. II -3-2-4 Concept of borehole gravity measurement.

-236-

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# II -3-3-2^ Baytap-G(C j: 6^1'^#^#^:Table II -3-3-2 Results of tidal analysis by BAYTAP-G.

Group SymbolFactor

Ave SD Amplitude1 2 3 4 4' 5 6 7 T 8 9 101 01 1.2118 1.1991 1.2129 1.2207 1.2262 1.2123 1.1972 1.1540 1.1492 1.2246 1.2535 1.2041 1.2055 0.0292 6.91822 01 1.2019 1.2116 1.2037 1.2133 1.2139 1.2079 1.2143 1.1982 1.1980 1.2048 1.2039 1.2113 1.2069 0.0060 36.17643 M1 1.2387 1.2147 1.1919 1.3168 1.3098 0.9852 1.2229 1.2629 1.2497 1.2522 1.0604 1.1386 1.2036 0.0983 2.83764 P1S1K1 1.1914 1.1931 1.1904 1.1917 1.1913 1.2022 1.1850 1.1734 1.1727 1.1834 1.1984 1.1933 1.1888 0.0089 50.11695 J1 1.3380 1.2590 1.1854 1.1768 1.1754 0.9938 1.2453 1.3337 1.3338 1.2585 1.3486 1.2544 1.2419 0.1007 2.92756 001 1.2682 1.1728 1.0323 1.0582 1.0603 1.3294 1.1613 1.1397 1.1306 1.1700 1.8936 1.0716 1.2073 0.2331 1.55737 2N2 1.2183 1.1264 1.1730 1.1478 1.1426 1.1405 1.6430 1.4437 1.4286 1.1956 0.9528 1.1889 1.2334 0.1838 1.47968 N2 1.1716 1.1856 1.1796 1.1917 1.1905 1.2121 1.1833 1.1747 1.1742 1.2023 1.2207 1.1962 1.1902 0.0154 10.78879 M2 1.1935 1.1892 1.1881 1.1897 1.1895 1.1851 1.1906 1.1909 1.1908 1.1923 1.1912 1.1891 1.1900 0.0021 56.340610 L2 1.1341 1.2323 1.2548 1.1443 1.1504 1.0365 1.4995 1.1464 1.1307 1.1656 1.5082 1.1896 1.2160 0.1450 1.627311 S2K2 1.2020 1.2037 1.1960 1.2108 1.2116 1.2139 1.2058 1.2038 1.2041 1.2035 1.2247 1.2092 1.2074 0.0073 26.596512 M3 0.9854 0.9530 1.0867 1.1084 1.1035 1.2298 1.1303 1.2423 1.2385 0.8165 1.6263 0.9055 1.1188 0.2096 0.8265

t\3ooo

r Phase

Ave SD Amplitude1 2 3 4 4’ 5 6 7 T 8 9 101 01 1.23 1.90 0.74 1.85 1.66 0.52 2.15 3.88 3.78 2.24 4.53 1.31 2.1468 1.2760 6.91822 01 1.83 1.38 1.18 1.33 1.36 1.05 0.88 0.51 0.53 1.19 0.41 1.40 1.0874 0.4312 36.17643 M1 1.88 0.01 1.81 4.28 5.25 1.75 -1.60 9.18 8.91 -1.56 0.39 3.60 2.8243 3.5886 2.83764 P1S1K1 0.65 0.58 0.44 0.17 0.24 0.28 -0.28 0.42 0.38 0.45 0.77 0.48 0.3806 0.2692 50.11695 J1 -0.64 0.68 -0.48 0.33 0.57 -4.17 -0.24 -2.65 -2.49 -2.06 -10.44 1.07 -1.7098 3.1843 2.92756 001 7.21 3.29 5.58 -15.80 -15.70 -16.24 -0.46 -10.56 -10.35 -0.92 15.31 3.96 -2.8918 10.5452 1.55737 2N2 -1.91 0.60 2.41 5.16 5.33 13.79 18.96 3.56 3.38 0.65 -13.64 2.96 3.4365 7.9311 1.47968 N2 0.32 0.97 0.82 0.36 0.56 0.43 2.08 0.84 0.76 0.96 5.09 0.55 1.1463 1.3269 10.78879 M2 1.27 1.51 1.70 1.55 1.59 1.66 1.42 1.46 1.45 1.50 1.06 1.66 1.4858 0.1791 56.340610 L2 3.39 2.60 -3.31 8.24 7.84 -14.66 -6.08 -2.00 -2.96 -3.11 -9.24 4.90 -1.1989 6.9073 1.627311 S2K2 0.52 0.53 0.74 0.15 0.26 1.31 1.00 0.65 0.65 0.74 0.26 0.61 0.6173 0.3246 26.596512 M3 5.15 -1.57 3.26 0.85 1.10 -5.33 -3.64 -12.59 -12.27 6.42 -45.07 5.17 -4.8764 14.1609 0.8265

Response Coefficient

Ave SD1 2 3 4 4’ 5 6 7 T 8 9 10-0.4039 -0.3547 -0.3871 -0.3908 -0.3428 -0.2336 -0.1828 -0.4264 -0.4280 -0.3855 -0.3508 -0.3342 -0.3517 0.0744

$?#tIEPh1: 1: 1999.4.16 0:00 - 1999.5.11 23:302 . 1999.5.11 0:00 - 1999.6.5 23:30 3: 1999.6.5 0:00 - 1999.6.30 23:30 4: 1999.6.30 0:00 - 1999.7.25 23:30 5: 1999.7.25 0:00 - 1999.8.19 23:30

*I+:CG-3M-2)6: 1999.8.19 0:00 - 1999.9.13 23:30 7: 1999.9.13 0:00 - 1999.10.8 23:30 8: 1999.10.8 0:00 - 1999.11.2 23:30 9: 1999.11.2 0:00 - 1999.11.27 23:30 10: 1999.11.27 0:00 - 1999.12.22 23:30

m ii -3-3-3# 111 *5 id- 5Table 11-3-3-3 Tidal model in Yanaizu-Nishiyama geothermal field.

(fa-si)1 01 1.2055 2.15 6.9182 01 1.2069 1.09 36.1763 M1 1.2036 2.82 2.8384 P1S1K1 1.1888 0.38 50.1175 J1 1.2419 -1.71 2.9286 001 1.2073 -2.89 1.5577 2N2 1.2334 3.44 1.4808 N2 1.1902 1.15 10.7899 M2 1.1900 1.49 56.341

10 L2 1.2160 -1.20 1.62711 S2K2 1.2074 0.62 26.59712 M3 1.1188 -4.88 0.827

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Conventional Tidal Correction

- Precise Tidal Correction + Barometric Correction

01/17/00

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01/27/00

Effect of precise tidal correction and barometric correction

on continuous gravity record.

02/01/00

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-274-

SB II-3-3-4* Table II-3-3-4

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List of VGG measurement results (1999)

Station htdiff Sf Error gdiff Error gdiff VGG Error in VGG Location(cm) ("gal) (microgal) (microgal) (microgal) (microgal/m) (microgal/m)

3000 104.30 4055.3537 3.4 -257.7 4.5 -247.1 4.5 Site 300 (same as 1998 survey)3001 4055.0960 2.93010 104.00 4055.4907 1.0 -271.8 1.5 -261.4 1.7 30m from site 3003011 4055.2189 1.13020 104.65 4049.0103 0.4 -310.5 3.2 -295.1 3.3 near BM913021 4048.6999 3.23030 105.20 4054.5938 1.9 -278.3 3.5 -264.5 3.6 at T-junctn3031 4054.3155 3.03040 105.20 4055.4191 2.0 -294.0 2.5 -279.4 2.7 near shed3041 4055.1251 1.63050 105.18 4055.0694 1.7 -310.0 3.2 -294.7 3.43051 4054.7595 2.73060 104.95 4055.0082 3.0 -313.8 4.8 -299.0 4.83061 4054.6945 3.73070 105.00 4055.1553 1.9 -268.8 2.0 -256.0 2.2 50m from site 3003071 4054.8866 0.83080 105.20 4055.7329 1.9 -294.8 3.4 -280.2 3.53081 4055.4382 2.94000 105.50 4052.5822 1.7 -304.4 2.6 -288.5 2.8 Well 21-T (87N-15T)4001 4052.2778 2.04010 105.50 4046.5073 1.4 -302.0 4.0 -286.3 4.1 BM 44011 4046.2053 3.84020 105.80 4035.4387 3.0 -353.4 3.9 -334.0 4.0 BM 424021 4035.0854 2.64030 106.00 4035.4889 0.0 -356.3 0.0 -336.14031 4035.1326 0.04040 106.00 4034.4113 1.3 -353.7 2.0 -333.7 2.2 20m from BM 434041 4034.0576 1.55000 105.80 4034.2947 0.8 -371.9 4.7 -351.5 4.85001 4033.9228 4.65010 105.30 4032.6848 2.3 -347.4 3.2 -329.9 3.4 at edge of well pad area5011 4032.3375 2.25020 105.25 4032.8570 1.3 -310.8 3.0 -295.3 3.1 Site 700 (same as 1998 survey)5021 4032.5462 2.75030 105.25 4032.7813 0.0 -331.3 -314.8 under small roof5031 4032.4500 0.05040 105.10 4047.5638 3.1 -291.8 6.9 -277.6 6.8 BM 59 near well 97N-31P5041 4047.2720 6.25050 105.20 4062.3842 4.5 -295.7 4.7 -281.1 4.8 BM 25 at bridge5051 4062.0885 1.46000 105.63 4070.7155 2.7 -313.0 4.9 -296.3 4.9 BM 22 at bridge6001 4070.4025 4.16010 105.90 4056.3582 3.4 -332.1 4.6 -313.6 4.7 BM 206011 4056.0261 3.16020 105.60 4048.2249 2.6 -312.0 3.6 -295.4 3.7 BM 26021 4047.9129 2.47000 104.83 4054.7708 0.9 -299.5 2.2 -285.7 2.3 BM 67001 4054.4713 2.0

-275-

Station ht diff fif Error gdiff Error gdiff VGG Error in VGG Location(cm) (Mgal) (microgal) (microgal) (microgal) (microgal/m) (microgal/m)

7010 105.00 4062.4413 1.7 -282.3 3.4 -268.8 3.5 BM 36 at bridge7011 4062.1590 2.97020 104.88 4048.1913 2.8 -309.3 4.9 -294.9 5.0 BM 997021 4047.8820 4.07030 105.08 4054.6144 1.6 -294.9 5.1 -280.6 5.1 BM 977031 4054.3195 4.88000 104.35 4067.1682 0.6 -276.4 1.2 -264.9 1.4 BM 78001 4066.8919 1.18010 104.55 4061.1267 3.2 -311.9 3.4 -298.3 3.58011 4060.8148 1.0

Errors in VGG calculated assuming an error in ht diff of ± 0.1 cm.

-276

#11-3-3-5#

Table II-3-3-5 Range of values for VGG measured in different parts of the world.

Location n VGG min (microgal/m)

VGG max (microgal/m)

Reference

Poland 29 -307.2 (±0.1) -313.0 (±0) Fajklewicz (1976)

Germany 14 -303.0 -319.6 Janie et al (1970)

Japan 55 -269 (±2) -369 (±2) Kumagai et al (1960)

Canada 11 -280.7 (±0.4) -321.8(±0.6) Thyssen-Bornemisza & Stackler (1956)

Canada 38 -210? -320Ager & Liard (1982) 1

France 6 -251.8 (±1.2) -311.8 (±0.6) Roder & Wenzel (1986)

Italy 6 -307 (±4) -363 (±4)Berrino et al (1998) 1

Italy 9 -266 (±3) -354 (±3) Berrino (1995)

2000)• Costa Rica CD Poas iAcjJLl : 420/Zgal/m• Sicily (D Etna ^[ll : 365//gal/m• Iceland CD Breiddalur : 201 fJL gal/m

-277-

2.0 -

1.8 —

gradient less than free-air

normal free-air gradient

gradient greater than free-air

TTTTTTTT i nmTiTi n n hit i n iTiTi n n n iri n n n i t i nt

-500 -400 -300Gravity difference (microgal)

SII-3-3-4® Fig. II-3-3-4 Plots of gravity difference against height above ground showing the variation

in VGG from site to site.

10

oc<D3crS?

ll

-200 -220 -240 -260 -280 -300 -320 -340 -360 -380 -400VGG (microgal/m)

sii-3-3-50Fig. II -3-3-5 Histogram showing frequency distribution of measured VGG

values at Yanaizu.

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B n -3-3-60 Fig. II -3-3-6 Short term drift in gravimeter readings observed at gravity station No.1995.

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SII-3-3-10 m v bFig.II-3-3-10 Grid layout of reservoir model

ft

Yanaizu-Nishiyama Geothermal Area

Simulation Grid (Whole Area)

--Range : 10300m x 8250m

••Blocks387 blocks/layer x 9 layers = 3483 Total Blocks Min. Grid Size = 100m x 100m

Max. Grid Size = 1250m x 1250m

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mv—imTable V-l Summary of Development of Gravity Monitoring(FY 1999)

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