Irigasi 2 Nando
description
Transcript of Irigasi 2 Nando
Luas catchment area : 57.8
0
0
1.575
0
59.375
Analisa Hidrologi
Analisa Data Curah Hujan Efektif
Data curah hujan :
Curah hujan maksimum harian (mm/hari)
Stasiun I Stasiun II Stasiun III Stasiun IV Stasiun IV
2000 164 189 173 183 168
2001 174 182 172 168 173
2002 178 176 167 180 189
2003 176 178 178 180 175
2004 184 173 165 173 175
2005 178 182 182 175 178
2006 175 185 187 180 173
2007 182 170 170 172 182
2008 185 173 173 180 176
2009 170 180 180 178 189
2010 187 181 179 170 177
2011 182 187 176 178 173
2012 176 176 180 175 174
2013 169 185 178 183 180
2014 178 176 175 178 178
Menghitung curah hujan rerata DAS (metode Tiessen)
=> Curah hujan di daerah i
Luas daerah ke i
Curah hujan
Rerata DAS
2000 164.504
2001 173.841
2002 178.053
2003 176.106
2004 183.708
2005 177.920
2006 175.133
2007 181.735
2008 184.867
2009 170.212
2010 186.549
2011 181.894
2012 175.973
2013 169.371
2014 178.000
- Stasiun I (A1) = km2
- Stasiun II (A2) = km2
- Stasiun III (A3) = km2
- Stasiun IV (A4) = km2
- Statasiun V (A5) = km2
- Luas total (Atot
) = km2
Tahun Pengamatan
di =
Ai =
Tahun Pengamatan
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015150
160
170
180
190
200
164.504
173.841
178.053176.106
183.708
177.920
175.133
181.735
184.867
170.212
186.549
181.894
175.973
169.371
178.000
CURAH HUJAN RERATA321
332211
AAA
d . A d . A d . A d
No TAHUNR
Y=LOG X
X1 2000 164.504 2.21617646252 2001 173.84084 2.24015181713 2002 178.05305 2.25054942384 2003 176.10611 2.24577441245 2004 183.708 2.26412856686 2005 177.92042 2.25022579777 2006 175.13263 2.24336707358 2007 181.73474 2.25943794649 2008 184.86737 2.266860259110 2009 170.21221 2.230990711911 2010 186.54905 2.270793047912 2011 181.89389 2.259818122213 2012 175.97347 2.24544720714 2013 169.37137 2.228839996415 2014 178.000 2.2504200023
JUMLAH 2657.8674 33.722980847RATA-RATA 177.19116 2.2481987231
Slog 0.0150860925Cslog -0.4983125155 OK <-0,4
0 >0,4kn 2.2467303048Xl 163.7963960477Xh 191.4666348587
S 6.1096888103Cv 0.034480777Cs -0.4198266508Ck 3.4032115233
Karena kriteria 3(tiga) diatas tidak memenuhi, dianggap tipe sebaran yang cocok adalahTipe Distribusi Log Pearson-III
Cs nilai Kt (X100)-0.4 2.029
-0.419827 2.007-0.5 1.955
LOG X - LOG Xbar (LOG X - LOG Xbar)^2 (LOG X - LOG Xbar)^3
-0.0320222606 0.0010254252 -3.28364322273998E-005-0.008046906 6.47526969099745E-005 -5.21058868246898E-0070.0023507007 5.52579379023217E-006 0.000000013-0.0024243107 5.87728259224746E-006 -1.42483593445447E-0080.0159298437 0.0002537599 4.04235583517237E-0060.0020270745 0.000004109 8.32931244129688E-009-0.0048316496 2.33448380054537E-005 -1.12794077569318E-0070.0112392233 0.0001263201 1.4197402679421E-0060.018661536 0.0003482529 6.49893447763302E-006
-0.0172080113 0.0002961157 -5.09556146028561E-0060.0225943247 0.0005105035 1.15344820813357E-0050.0116193991 0.0001350104 1.56874012821697E-006-0.0027515161 7.57084097113974E-006 -2.08312909912718E-008-0.0193587268 0.0003747603 -7.25488227145393E-0060.0022212792 4.93408116232942E-006 0.000000011
-9.32587340685132E-015 0.003186263 -2.07592769934868E-005
Karena kriteria 3(tiga) diatas tidak memenuhi, dianggap tipe sebaran yang cocok adalah
X100 189.8788141735
(LOG X - LOG Xbar)^4 keterangan Xl keterangan Xh (Xi - Xbar)
1.05149679083398E-006 OK OK -12.68715789474.19291175711502E-009 OK OK -3.35031578953.05343970121684E-011 OK OK 0.86189473683.45424506691351E-011 OK OK -1.08505263166.43940964607965E-008 OK OK 6.51705263161.6884137138518E-011 OK OK 0.7292631579
5.44981461500877E-010 OK OK -2.05852631580.000000016 OK OK 4.5435789474
1.2128009949349E-007 OK OK 7.67621052638.76844789536047E-008 OK OK -6.97894736842.60613833741717E-007 OK OK 9.35789473681.82278176188941E-008 OK OK 4.70273684215.73176330102881E-011 OK OK -1.21768421051.40445283498227E-007 OK OK -7.81978947372.4345156916454E-011 OK OK 0.8088421053
0.000001765 -1.42108547E-013
mm
(Xi - Xbar)^2 (Xi - Xbar)^3 (Xi - Xbar)^4 No
160.963975446 -2042.1753718478 25909.4013913753 111.2246158892 -37.6060078444 125.99200186 20.7428625374 0.6402693112 0.5518447495 31.1773392133 -1.2774750116 1.3861276232 4
42.4719750028 276.7920964602 1803.8686606359 50.5318247535 0.3878401992 0.2828375684 64.2375305928 -8.7230682392 17.9566655249 720.644109651 93.7981419973 426.1792632813 8
58.9242080443 452.3146260446 3472.0622936504 948.7057063712 -339.9145613063 2372.2458331167 1087.5701939058 819.4726566555 7668.5388607024 1122.1157338061 104.0044761601 489.105681782 121.4827548366 -1.8055271526 2.1985619054 13
61.1491074127 -478.1731464714 3739.2133373752 140.6542255512 0.5291651722 0.4280110719 15
522.5961630139 -1161.735885873 46029.4113722223 JUMLAHRATA-RATA
TAHUNR
(Xi - Xbar) (Xi - Xbar)^2 (Xi - Xbar)^3 (Xi - Xbar)^4
X2000 164.504 -12.687157895 160.963975446 -2042.1753718 25909.40139142001 173.84084 -3.3503157895 11.2246158892 -37.606007844 125.992001862002 178.05305 0.8618947368 0.7428625374 0.6402693112 0.55184474952003 176.10611 -1.0850526316 1.1773392133 -1.2774750116 1.38612762322004 183.70821 6.5170526316 42.4719750028 276.79209646 1803.868660642005 177.92042 0.7292631579 0.5318247535 0.3878401992 0.28283756842006 175.13263 -2.0585263158 4.2375305928 -8.7230682392 17.95666552492007 181.73474 4.5435789474 20.644109651 93.7981419973 426.1792632812008 184.86737 7.6762105263 58.9242080443 452.314626045 3472.062293652009 170.21221 -6.9789473684 48.7057063712 -339.91456131 2372.245833122010 186.54905 9.3578947368 87.5701939058 819.472656655 7668.53886072011 181.89389 4.7027368421 22.1157338061 104.00447616 489.1056817822012 175.97347 -1.2176842105 1.4827548366 -1.8055271526 2.19856190542013 169.37137 -7.8197894737 61.1491074127 -478.17314647 3739.213337382014 178 0.8088421053 0.6542255512 0.5291651722 0.4280110719
JUMLAH 2657.8674 -1.42109E-013 522.596163014 -1161.7358859 46029.4113722RATA-RATA 177.19116