Analisis Intensitas Hujan

7/24/2019 Analisis Intensitas Hujan

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Analisis Intensitas Hujan

Tabel 1. Harga-harga intensitas hujan untuk berbagai durasi dan periode ulang.

Tr Ytr Durasi (menit) 1 hari 2 hari

5 10 15 30 45 60 120 180 360 720

5 1,5004 271,2 198,3 182,7 130 98,1 87,9 58 40,8 23,9 14,6 8,1 5,6

10 2,251 316,9 230 214,4 149,9 112,7 101,8 69,2 48,1 28,1 17,4 9,7 6,7

20 2,9709 360,7 260,5 244,9 169 126,6 115,1 79,9 55,1 32,1 20,1 11,2 7,825 3,1993 374,6 270,1 254,6 175,1 131 119,3 83,3 57,3 33,4 21 11,7 8,2

50 3,9028 417,4 299,9 284,4 193,8 144,6 132,4 93,8 64,2 37,4 23,6 13,2 9,3

75 4,3117 442,3 317,2 301,7 204,6 152,5 139,9 99,9 68,1 39,6 25,2 14 9,9

100 4,6012 459,9 329,4 314 212,3 158,1 145,3 104,2 70,9 41,2 26,3 14,7 10,4

Menghitung harga tiap suku dalam persamaan intensitas huan masing!masing peri"de ulang menggunakan#

a. $umus Talb"tb. $umus %herman&. $umus 'shigur"

1


2/60

1. eri!"e #lan$ 5 TahunTabel 2. Perhitungan harga tiap suku untuk perhitungan tetapan-tetapan dalam rumus intensitas curah hujan.

%!. t I I.t I2 I2.t l!$ t l!$ Il!$

t.l!$ I

(l!$

t)2t0.5 I.t0.5 I2.t0.5

1 5 271,2 135673549,4

4

367747,

20,6990 2,4333 1,7008 0,4886 2,2361

606,421

6

164461,

55

2 10 198,3 198339322,8

9

393228,

91,0000 2,2973 2,2973 1,0000 3,1623

627,079

7

124349,

90

3 15 182,7 2740,533379,2

9

500689,

351,1761 2,2617 2,6600 1,3832 3,8730

707,594

1

129277,

43

4 30 130 3900 16900 507000 1,4771 2,1139 3,1226 2,1819 5,4772712,039

3

92565,1

1

5 45 98,1 4414,5 9623,61433062,

451,6532 1,9917 3,2927 2,7331 6,7082

658,074

8

64557,1

4

6 60 87,9 5274 7726,41463584,

61,7782 1,9440 3,4567 3,1618 7,7460

680,870

5

59848,5

1

7 120 58 6960 3364 403680 2,0792 1,7634 3,6665 4,323010,954

5

635,358

2

36850,7

7

8 180 40,8 7344 1664,64299635,

22,2553 1,6107 3,6325 5,0863

13,416

4

547,389

4

22333,4

9

9 360 23,9 8604 571,21

205635,

6 2,5563 1,3784 3,5236 6,5347

18,973

7

453,470

6

10837,9

5

10 720 14,6 10512 213,16153475,

22,8573 1,1644 3,3269 8,1643

26,832

8

391,759

15719,68

11 1440 8,1 11664 65,61 94478,4 3,1584 0 ,9085 2 ,8693 9 ,975337,947

3

307,373

42489,72

12 2880 5,6 16128 31,36 90316,8 3,4594 0,7482 2,5883 11,967 53,665 300,527 1682,95

2


3/60

4 6 5

&umlah111'

280880

186411

62

3'1253

37

2414

'4

2061

55

3613

71

56''

'5

1'0'

'30

6627'

582

714'74

22

Menghitung tetapan!tetapan untuk persamaan

intensitas huan.

Tal!tMenghitung k"nstanta a#

a=[I . t][I2 ][I2 . t][I]

N[I2 ] [I] [I]

[80880 ] [1886411,62 ][3912533,7] [1119,2 ]12 [1886411,62][1886411,62] [1886411,62]

a=10868,3627

Menghitung k"nstanta b#

b=[ I] [I . t]N[I2. t]

N [I2 ][I] [I]

[1119,2 ] [80880 ]12 [3912533,7 ]

12 [1886411,62][1886411,62] [1886411,62]

b=44,2641

o 'ntensitas (uan menggunakan $umus Talb"t#

I= a

t+b

I=10868,3627

t+44,2641

*herman

Menghitung k"nstanta a#

3


4/60

t

log t

log

[ log t] [ log t]N

[ log t . logI ] [ log t]

[ logI ]log a=

log a=[20,6155 ] [56,9995 ][36,1371][24,1494 ]

12 [56,9995 ][24,1494 ] [24,1494 ]

log a=2,9998

a=999,5007

Menghitung k"nstanta n#t

log

[log t

] [log t

]N

n=[ logI ] [ log t]N [ log t . logI ]

[20,6155 ] [24,1494 ]12 [36,1371 ]12 [56,9995 ][24,1494 ] [24,1494 ]

n=0,6369

o 'ntensitas (uan menggunakan $umus %herman#

I=a

tn

I=999,5007

t0,6369

Ishi$ur!

Menghitung k"nstanta a#

a=[I . t][I2 ][I2t][I]

N[I2 ] [I] [I]

[6627,9582 ] [186411,62 ] [714974,22 ] [1119,2 ]

12 [186411,62] [1119,2 ] [1119,2 ]

a=442,2591

Menghitung k"nstanta b#

b= [I][I .t]N I2tN[I2 ][I] [I]

[1119,2 ] [6627,9582 ]12[714974,22]

12 [186411,62] [1119,2 ] [1119,2 ]

4


5/60

b=1,1802

o 'ntensitas (uan menggunakan $umus 'shigur"#

I= a

t+b

I= 442,2591

t+(1,1802)

5


6/60

Tabel 3. Perbandingan kecocokan rumus-rumus intensitas hujan.

%!. t IIntensitas hujan I De+iasi ,(-s-)

Tal!t

*herman

Ishi$ur!

Tal!t

*herman

Ishi$ur!

1 5 271,2 220,614

358,571

418,847

!50,58

687,371 147,64

7

2 10 198,3 200,2

87230,58

7223,1

26 1,987 32,287 24,826

3 15 182,7 183,3

89178,10

4164,2

37 0,689 !4,596

!18,463

4 30 130 146,3

48114,53

3102,9

2116,34

8 !15,467

!27,079

5 45 98,1 121,7

55 88,465

80,003

23,655

!9,635 !18,097

6 60 87,9 104,2

39 73,653

67,35

8

16,33

9 !14,247

!

20,542

7 120 58 66,16

4 47,364

45,247

8,164 !10,636 !12,753

8 180 40,8 48,46

2 36,584

36,143

7,662 !4,216 !4,657

9 360 23,9 26,88

4 23,526

24,855

2,984 !0,374 0,955

10 720 14,6 14,22

1 15,129

17,240

!0,379

0,529 2,640

11 1440 8,1 7,322 9,729 12,02

9!

0,778 1,629 3,929

12 2880 5,6 3,717 6,256 8,426 !1,883 0,656 2,826

(-s-) 2420

1 63301

81234

,(-s-) 2017 5275 676'

%elanutn)a, dilakukan pemeriksaan untuk mendapatkan rumus )ang paling

&"&"k digunakan. *engan menelaan de+iasi antara data terukur dan hasil

prediksi, maka rumus dengan de+iasi rata!rata ,(/s) tereil dianggap

sebagai rumus alin$ !!.

*ari hasil perhitungan diber"leh baha rumus Tal!t alin$ !! Tael 3.

-rak 1. Ploting data pengukuran dan prediksi dengan tiga jenis kurva

intensitas hujan.


7/60

0

2000

0

100

200

300

400

eri!"e #lan$ 5 Tahun

(asil /engukuran

Talb"t

%herman

'shigur"

Durasi hujan (menit)

Intensitas hujan (mmjam)


8/60

2. eri!"e #lan$ 10 Tahun3. Tabel 4.Perhitungan harga tiap suku untuk perhitungan tetapan-tetapan dalam rumus intensitas curah hujan.

4. %!.

5. t 6. I7. I

.t

8. I2 '. I2

.t

10.l!$

t

11.l!$

I

12.l!$

t.l!$

I

13.(l!

$t)2

14.t0.5

15.I.t0.5

16.I2.t0.

5

17.1

18.5

1'.316

,9

20.158

4,5

21.1004

25,61

22.5021

28,05

23.0,6

990

24.2,5

009

25.1,7

481

26.0,4

886

27.2,2

361

28.708,

6099

2'.2245

58,49

30.2

31.10

32.230

33.230

0

34.5290

0

35.5290

00

36.1,0

000

37.2,3

617

38.2,3

617

3'.1,0

000

40.3,1

623

41.727,

3239

42.1672

84,49

43.3

44.15

45.214

,4

46.

3216

47.4596

7,36

48.6895

10,4

4'.1,1

761

50.2,3

312

51.2,7

417

52.1,3

832

53.3,8

730

54.830,

3676

55.1780

30,82

56.4

57.30

58.149

,9

5'.449

7

60.2247

0,01

61.6741

00,3

62.1,4

771

63.2,1

758

64.3,2

139

65.2,1

819

66.5,4

772

67.821,

036

68.1230

73,3


9/60

1 1

6'.5

70.45

71.112

,7

72.507

1,5

73.1270

1,29

74.5715

58,05

75.1,6

532

76.2,0

519

77.3,3

923

78.2,7

331

7'.6,7

082

80.756,

0146

81.8520

2,84

82.

6

83.

60

84.101

,8

85.610

8

86.1036

3,24

87.6217

94,4

88.1,7

782

8'.2,0

077

'0.3,5

701

'1.3,1

618

'2.7,7

460

'3.788,

5

394

'4.8027

3,31

'5.7

'6.120

'7.69,

2

'8.830

4

''.4788

,64

100.5746

36,8

101.2,0

792

102.1,8

401

103.3,8

259

104.4,3

230

105.10,

9545

106.758,

0480

107.5245

6,92

108.8

10'.180

110.48,

1

111.865

8

112.2313

,61

113.4164

49,8

114.2,2

553

115.1,6

821

116.3,7

937

117.5,0

863

118.13,

4164

11'.645,

3292

120.3104

0,34

121.9

122.360

123.28,

1

124.10116

125.789,61

126.

284259,6

127.

2,5563

128.

1,4487

12'.

3,7033

130.

6,5347

131.

18,9737

132.

533,1600

133.

14981,80

134.10

135.720

136.17,

4

137.125

2

138.302,

7

13'.2179

8

140.2,8

5

141.1,2

4

142.3,5

4

143.8,1

6

144.26,

8

145.466,

8

146.8123

,9


10/60

8 6 7,

273

05

47

43

328

910

0

147.11

148.144

0

14'.9,7

150.139

68

151.94,0

9

152.1354

89,6

153.3,1

584

154.0,9

868

155.3,1

166

156.9,9

753

157.37,

9473

158.368,

0891

15'.3570

,46

160.12

161.288

0

162.6,7

163.192

96

164.44,8

9

165.1292

83,2

166.3,4

594

167.0,8

261

168.2,8

577

16'.

11,9674

170.

53,6656

171.

359,5597

172.2409

,05

173. &umlah

174.130

4'

175.'56

47

176.253

16111

177.534

61'74

178.24

14'4

17'.21

4537

180.37

86'7

181.56

'''5

182.1'0

''30

183.776

2'686

184.'71

00574

185.

186.187.

188.18'.1'0.1'1.1'2.

1'3. Menghitung tetapan!tetapan untuk

persamaan intensitas huan.

Tal!t1'4. Menghitung k"nstanta a#


11/60

1'5. a=[I . t] I2 I2 . t[I]

N[I2 ] [I] [I]

1'6.

[95647 ] [243161,11][5346197,4 ][1304,9]12 [243161,11][1304,9 ] [1304,9 ]

1'7. a=12910,6081

1'8.

1''. Menghitung k"nstanta b#

200. b=[I] [I . t]N I2. t

N [I2 ][I] [I]

201.

[1304,9 ] [95647 ]12 [243161,11 ]12 [243161,11][1304,9 ] [1304,9 ]

202. b=45,4290

203.o 'ntensitas (uan menggunakan $umus Talb"t#

204. I=

a

t+b

205. I=

12910,6081

t+45,4290206.

*herman

207. Menghitung k"nstanta a#

208.

t

log t

log

[ log t] [ log t]N


[ logI ]log a=

20'. log a=

[21,4537 ] [56,9995 ][37,8697] [24,1494 ]12 [56,9995 ] [24,1494 ] [24,1494 ]

210. log a=3,0587

211. a=1144,7259

212.

213. Menghitung k"nstanta n#

214.

t

log

[log t

] [log t

]N


215.

[21,4537 ] [24,1494 ]12 [37,8697 ]12 [56,9995 ][24,1494 ] [24,1494 ]


12/60

216. n=0,6315

217.


218. I=

a

tn

21'. I=

1144,7259

t0,6315

220.

Ishi$ur!


222. a=[I . t] I2 I2t[ I]

N[I2 ] [I] [I]

223.

[7762,9686 ] [253161,11 ][971005,74 ] [1304,9 ]12 [253161,11][1304,9 ] [1304,9 ]

224. a=522,9422

225.

226. Menghitung k"nstanta b#

227. b=[I][I . t]N[I2t]

N[I2 ][I] [I]

228. [1304,9 ] [7762,9686 ]12[971005,74]

12 [253161,11][1304,9 ] [1304,9 ]

22'. b=1,1401

230.

231. 'ntensitas (uan menggunakan $umus

'shigur"#

232. I= a

t+b

233. I=

522,9422

t+(1,1401)

234.

235.

236.

237.

238.

23'.

240.

241.


13/60

242. Tabel 5. Perbandingan kecocokan rumus-rumus intensitas hujan.

243.%!. 244.t 245.I

246. Intensitashujan I

247. De+iasi,(-s-)

251.

Tal!t

252.

*herman

253.Ish

i$ur!

254.Ta

255.

*herman

256.Ish

i$ur!

257.1

258.5

25'.316

,9

260.25

6,01

6

261.414,

277

262.47

7,13

3

263.!

264.97,3

77

265.16

0,23

3

266.2

267.10

268.230

26'.23

2,922

270.267,

415

271.25

8,598

272.2,

273.37,4

15

274.28,

598

275.

3

276.

15

277.214

,4

278.21

3

,649

27'.207,

005

280.19

1

,349

281.

!

282.!

7

,395

283.!

23

,051

284.4

285.30

286.149

,9

287.17

1,162

288.133,

622

28'.12

0,572

2'0.21

2'1.!

16,27

8

2'2.!

29,32

8

2'3.5

2'4.45

2'5.112

,7

2'6.14

2,771

2'7.103,

436

2'8.93,

917

2''.30

300.!

9,264

301.!

18,783

302.6

303.60

304.101

,

8

305.12

2

,4

306.86,2

5

2

307.79,

1

63

308.20

30'.!

1

5,

310.!

2

2,


14/60

58

548

637

311.7

312.120

313.69,

2

314.

78,043

315.55,676

316.

53,283

317.8,

318.!

13,524

31'.!

15,917

320.8

321.180

322.48,

1

323.57,

271

324.43,0

98

325.42,

598

326.9,

327.!

5,00

2

328.!

5,50

2

32'.9

330.360

331.28,

1

332.31,

844

333.27,8

20

334.29,

323

335.3,

336.!

0,280

337.1,2

23

338.10

33'.720

340.17,

4

341.16,

867

342.17,9

5

8

343.20,

354

344.!

345.0,55

8

346.2,9

5

4

347.11

348.144

0

34'.9,7

350.8,6

92

351.11,5

92

352.14,

208

353.!

354.1,89

2

355.4,5

08

356.12

357.288

0

358.6,7

35'.4,4

13

360.7,48

2

361.9,9

56

362.!

363.0,78

2

364.3,2

56

365. (-s-)366.31

367.

70734

368.

85553

36'. ,(-s-)370.2

371.58

'4

372.71

2'

373.

374. %elanutn)a, dilakukan pemeriksaan untuk mendapatkan rumus

)ang paling &"&"k digunakan. *engan menelaah de+iasi antara data


15/60

terukur dan hasil prediksi, maka rumus dengan de+iasi rata!rata ,(/s)

tereil dianggap sebagai rumus alin$ !!.

375. *ari hasil perhitungan diber"leh baha rumus Tal!t alin$

!! Tael 5.

376.

377. -rak 2. Ploting data pengukuran dan prediksi dengan tiga jenis

kurva intensitas hujan.

378.

0

1500

3000

0

100

200

300400

500

600


(asil /engukuranTalb"t

%herman

'shigur"



37'.380.


16/60


383.%!.

384.t

385.I

386.I.t

387.I2

388.I2.t

38'.l!$

t

3'0.l!$

I

3'1.l!$

t.l!$

I

3'2.(l!

$t)2

3'3.t0.5

3'4.I.t0.5

3'5.I2.t0.5

3'6.1

3'7.5

3'8.360

,7

3''.180

3,5

400.1301

04,49

401.6505

22,45

402.0,6

990

403.2,5

571

404.1,7

874

405.0,4

886

406.2,2

361

407.806,

5497

408.2909

22,48

40'.2

410.10

411.260

,5

412.260

5

413.6786

0,25

414.6786

02,5

415.1,0

000

416.2,4

158

417.2,4

158

418.1,0

000

41'.3,1

623

420.823,

7733

421.2145

92,95

422.3

423.15

424.244

,9

425.367

3,5

426.5997

6,01

427.8996

40,15

428.1,1

761

42'.2,3

890

430.2,8

097

431.1,3

832

432.3,8

730

433.948,

4936

434.2322

86,09

435.4

436.30

437.169

438.507

0

43'.2856

1

440.8568

30

441.1,4

771

442.2,2

279

443.3,2

909

444.2,1

819

445.5,4

772

446.925,

651

447.1564

35,04


17/60

1

448.5

44'.45

450.126

,6

451.569

7,0

452.1602

7,56

453.7212

40,2

454.1,6

532

455.2,1

024

456.3,4

758

457.2,7

331

458.6,7

082

45'.849,

2586

460.1075

16,14

461.

6

462.

60

463.115

,1

464.690

6

465.1324

8,01

466.7948

80,6

467.1,7

782

468.2,0

611

46'.3,6

649

470.3,1

618

471.7,7

460

472.891,

5

608

473.1026

18,64

474.7

475.120

476.79,

9

477.958

8

478.6384

,01

47'.7660

81,2

480.2,0

792

481.1,9

025

482.3,9

557

483.4,3

230

484.10,

9545

485.875,

2606

486.6993

3,33

487.8

488.180

48'.55,

1

4'0.991

8

4'1.3036

,01

4'2.5464

81,8

4'3.2,2

553

4'4.1,7

412

4'5.3,9

268

4'6.5,0

863

4'7.13,

4164

4'8.739,

2441

4''.4073

2,35

500.9

501.360

502.32,

1

503.11556

504.1030,41

505.

370947,6

506.

2,5563

507.

1,5065

508.

3,8511

50'.

6,5347

510.

18,9737

511.

609,0547

512.19550,66

513.10

514.720

515.20,

1

516.144

7

517.404,

0

518.2908

8

51'.2,8

5

520.1,3

0

521.3,7

2

522.8,1

6

523.26,

8

524.539,

3

525.1084

0,


18/60

2 1 7,

273

32

37

43

328

396

73

526.11

527.144

0

528.11,

2

52'.161

28

530.125,

44

531.1806

33,6

532.3,1

584

533.1,0

492

534.3,3

138

535.9,9

753

536.37,

9473

537.425,

0101

538.4760,

11

53'.12

540.288

0

541.7,8

542.224

64

543.60,8

4

544.1752

19,2

545.3,4

594

546.0,8

921

547.3,0

861

548.

11,9674

54'.

53,6656

550.

418,5919

551.3265,

02

552. &umlah

553.14

83

554.10

'881

555.326

81804

556.6'3

1'665

557.24

14'4

558.22

1481

55'.3'

3016

560.56

'''5

561.1'0

''30

562.885

17882

563.1253

45353

564.

565.566.

567.568.56'.570.571.

572. Menghitung tetapan!tetapan untuk


Tal!t573. Menghitung k"nstanta a#


19/60

574. a=[I . t] I2 I2 . t[I]

N[I2 ] [I] [I]

575.

[109881 ] [326818,04 ][6931966,5 ][1483]12 [326818,04 ][1483 ] [1483 ]

576. a=14879,8710

577.


57'. b=[I] [I . t]N I2. t

N [I2 ][I] [I]

580.

[1483 ] [109881 ]12 [6931966,5 ]12 [326818,04 ][1483 ] [1483 ]

581. b=46,3098


583. I=

a

t+b

584. I=

14879,8710

t+46,3098

585.

*herman


587.

t

log t

log

[ log t] [ log t]N


[ logI ]log a=

588. log a=[22,1481 ] [56,9995 ][39,3016][24,1494]

12 [56,9995 ][24,1494 ] [24,1494 ]

58'. log a=3,1083

5'0. a=1283,2071

5'1.

5'2. Menghitung k"nstanta n#

5'3.

t

log

[log t

] [log t

]N


5'4.

[22,1481 ] [24,1494 ]12 [39,3016 ]12 [56,9995 ][24,1494 ] [24,1494 ]


20/60

5'5. n=0,6274

5'6.o 'ntensitas (uan menggunakan $umus %herman#

5'7. I=

a

tn

5'8. I=

1283,2071

t0,6274

5''. Ishi$ur!


601. a=[I . t] I2 I2t[ I]

N[I2 ] [I] [I]

602. [8851,7882 ] [326818,04 ][1253453,53 ] [1483 ]

12 [326818,04 ][1483 ] [1483 ]

603. a=600,3112

604.


606. b=[ I][I .t]N I2t

N[I2 ][I] [I]

607.

[1483 ] [8851,7882 ]12 [1253453,53]12 [326818,04 ] [1483 ] [1483 ]

608. b=1,1113

60'.


610. I=

a

t+b

611. I=

600,3112

t+(1,1113)


21/60


613.%!. 614.t 615.I


617. De+iasi,(-s-)

621.

Tal!t

622.

*herman

623.Ish

i$ur!

624.Ta

625.

*herman

626.Ish

i$ur!

627.1

628.5

62'.360

,7

630.29

0,00

0

631.467,

474

632.53

3,71

9

633.!

634.106,

774

635.17

3,01

9

636.2

637.10

638.260

,5

63'.26

4,250

640.302,

614

641.29

2,695

642.3,

643.42,1

14

644.32,

195

645.

3

646.

15

647.244

,9

648.24

2

,700

64'.234,

643

650.21

7

,371

651.

!

652.!

10

,257

653.!

27

,529

654.4

655.30

656.169

657.19

4,993

658.151,

894

65'.13

7,499

660.25

661.!

17,10

6

662.!

31,50

1

663.5

664.45

665.126

,6

666.16

2,960

667.117,

777

668.10

7,258

66'.36

670.!

8,823

671.!

19,342

672.6

673.60

674.115

,

1

675.13

9

,9

676.98,3

2

7

677.90,

4

81

678.24

67'.!

1

6,

680.!

2

4,


22/60

67

773

619

681.7

682.120

683.79,

9

684.

89,471

685.63,651

686.

60,988

687.9,

688.!

16,249

68'.!

18,912

6'0.8

6'1.180

6'2.55,

1

6'3.65,

750

6'4.49,3

54

6'5.48,

786

6'6.10

6'7.!

5,74

6

6'8.!

6,31

4

6''.9

700.360

701.32,

1

702.36,

622

703.31,9

49

704.33,

608

705.4,

706.!

0,151

707.1,5

08

708.10

70'.720

710.20,

1

711.19,

418

712.20,6

8

2

713.23,

339

714.!

715.0,58

2

716.3,2

3

9

717.11

718.144

0

71'.11,

2

720.10,

011

721.13,3

88

722.16,

297

723.!

724.2,18

8

725.5,0

97

726.12

727.288

0

728.7,8

72'.5,0

85

730.8,66

7

731.11,

423

732.!

733.0,86

7

734.3,6

23

735. (-s-)736.38

737.77

418

738.'0

462

73'. ,(-s-)740.3

741.64

51

742.75

38

743.




23/60




!! Tael 7.

746.

747. -rak 3. Ploting data pengukuran dan prediksi dengan tiga jenis


748.

0

1500

3000

0

100

200

300400

500

600


(asil /engukuranTalb"t

%herman

'shigur"



74'.750.751.


24/60


754.%!.

755.t

756.I

757.I.t

758.I2

75'.I2.t

760.l!$

t

761.l!$

I

762.l!$

t.l!$

I

763.(l!

$t)2

764.t0.5

765.I.t0.5

766.I2.t0.5

767.1

768.5

76'.374

,6

770.187

3

771.1403

25,16

772.7016

25,8

773.0,6

990

774.2,5

736

775.1,7

988

776.0,4

886

777.2,2

361

778.837,

6311

77'.3137

76,60

780.2

781.10

782.270

,1

783.270

1

784.7295

4,01

785.7295

40,1

786.1,0

000

787.2,4

315

788.2,4

315

78'.1,0

000

7'0.3,1

623

7'1.854,

1312

7'2.2307

00,84

7'3.3

7'4.15

7'5.254

,6

7'6.381

9

7'7.6482

1,16

7'8.

972317,4

7''.

1,1761

800.

2,4059

801.

2,8295

802.

1,3832

803.

3,8730

804.986,

0616

805.

251051,27

806.4

807.30

808.175

,1

80'.525

3

810.3066

0,

811.9198

00,

812.1,4

77

813.2,2

43

814.3,3

13

815.2,1

81

816.5,4

77

817.959,

06

818.1679

31,7


25/60

01

3 1 3 6 9 2 2

2 9

81'.5

820.45

821.131

822.589

5,0

823.1716

1

824.7722

45

825.1,6

532

826.2,1

173

827.3,5

003

828.2,7

331

82'.6,7

082

830.878,

7747

831.1151

19,49

832.6

833.60

834.

119,3

835.715

8

836.1423

2,49

837.8539

49,4

838.1,7

782

83'.2,0

766

840.3,6

926

841.3,1

618

842.7,7

460

843.924,

0938

844.1102

44,39

845.7

846.120

847.83,

3

848.999

6

84'.6938

,89

850.8326

66,8

851.2,0

792

852.1,9

206

853.3,9

934

854.4,3

230

855.10,

9545

856.912,

5058

857.7601

1,73

858.8

85'.180

860.57,

3

861.103

14

862.3283

,29

863.5909

92,2

864.2,2

553

865.1,7

582

866.3,9

651

867.5,0

863

868.13,

4164

86'.768,

7602

870.4404

9,96

871.9

872.360

873.33,

4

874.120

24

875.1115

,56

876.4016

01,6

877.2,5

563

878.1,5

237

87'.3,8

952

880.6,5

347

881.18,9737

882.633,7204

883.2116

6,26

884.10

885.720

886.21

887.151

888.441

88'.3175

8'0.2,8

8'1.1,3

8'2.3,7

8'3.8,1

8'4.26,

8'5.563,

8'6.1183


26/60

20

20

573

222

780

643

8328

4891

3,27

8'7.11

8'8.144

0

8''.11,

7

'00.168

48

'01.136,

89

'02.1971

21,6

'03.3,1

584

'04.1,0

682

'05.3,3

737

'06.9,9

753

'07.37,

9473

'08.443,

9838

'0'.5194,

61

'10.12

'11.288

0

'12.8,2

'13.236

16

'14.67,2

4

'15.1936

51,2

'16.3,4

594

'17.0,9

138

'18.3,1

612

'1'.11,

9674

'20.53,

6656

'21.440,

0582

'22.3608,

48

'23. &umlah

'24.15

3'6

'25.11

4617

'26.352

1367

'27.748

30314

'28.24

14'4

'2'.22

354'

'30.3'

7330

'31.56

'''5

'32.1'0

''30

'33.'20

22720

'34.1350

6886'

'35.

'36.

'37.'38.'3'.'40.'41.'42.


27/60

'43. Menghitung tetapan!tetapan untuk


Tal!t'44. Menghitung k"nstanta a#

'45. a=[I . t][I2 ][I2 . t][I]

N[I2 ] [I] [I]

'46.

[114617 ] [352136,7 ][7483031,4 ][1539,6]

12 [352136,7 ][1539,6 ] [1539,6 ]

'47. a=15544,8760

'48.

'4'. Menghitung k"nstanta b#

'50. b=[I] [I . t]N[I2. t]N[I2 ][I] [I]

'51.

[1539,6 ] [114617 ]12 [7483031,4 ]12 [352136,7 ][1539,6 ] [1539,6 ]

'52. b=46,7144

'53.

o 'ntensitas (uan menggunakan $umus Talb"t#

'54. I=

a

t+b

'55. I=

15544,8760

t+46,7144

'56.

*herman

'57. Menghitung k"nstanta a#

'58.

t

log t

log

[ log t] [ log t]N


[ logI ]log a=

'5'. log a=

[22,3549 ] [56,9995 ][39,7330][24,1494 ]12 [56,9995 ][24,1494 ] [24,1494 ]

'60. loga=3,1219

'61. a=1324,0646

'62.

'63. Menghitung k"nstanta n#

'64.

tlog

[ log t] [log t]N



28/60

'65. [22,3549 ] [24,1494 ]12 [39,7330 ]12 [56,9995 ][24,1494 ] [24,1494 ]

'66. n=0,6256


'67. I=

a

tn

'68. I=1324,0646

t0,6256

'6'.

Ishi$ur!

'70. Menghitung k"nstanta a#

'71. a=[I . t][I2 ][I2t][I]

N[I2 ] [I] [I]

'72. [9202,2720 ] [352136,7 ][1350688,69 ] [1539,6 ]

12 [352136,7 ][1539,6 ] [1539,6 ]

'73. a=625,7504

'74.

'75. Menghitung k"nstanta b#

'76. b=[I][I .t]N[I2t]

N[I2 ][I] [I]

'77.

[1539,6 ] [9202,2720 ]12[1350688,69 ]12 [352136,7 ] [1539,6 ] [1539,6 ]

'78. b=1,0998

'7'.


'80. I=

a

t+b

'81. I=

625,7504

t+(1,0998)


29/60


'83.%!. '84.t '85.I

'86. Intensitashujan I

'87. De+iasi,(-s-)

''1.

Tal!t

''2.

*herman

''3.Ish

i$ur!

''4.Ta

''5.

*herman

''6.Ish

i$ur!

''7.1

''8.5

'''.374

,6

1000.30

0,59

1

1001.483,

760

1002.55

0,71

1

1003.!

1004.109,

160

1005.17

6,11

1

1006.2

1007.10

1008.270

,1

100'.27

4,090

1010.313,

548

1011.30

3,399

1012.3,

1013.43,4

48

1014.33,

299

1015.

3

1016.

15

1017.254

,6

1018.25

1

,884

101'.243,

299

1020.22

5

,644

1021.

!

1022.!

11

,301

1023.!

28

,956

1024.4

1025.30

1026.175

,1

1027.20

2,633

1028.157,

693

102'.14

2,950

1030.27

1031.!

17,40

7

1032.!

32,15

0

1033.5

1034.45

1035.131

1036.16

9,492

1037.122,

363

1038.11

1,574

103'.38

1040.!

8,637

1041.!

19,426

1042.6

1043.60

1044.119

,

3

1045.14

5

,6

1046.102,

2

09

1047.94,

1

52

1048.26

104'.!

1

7,

1050.!

2

5,


30/60

68

091

148

1051.7

1052.120

1053.83,

3

1054.

93,243

1055.66,246

1056.

63,498

1057.9,

1058.!

17,054

105'.!

19,802

1060.8

1061.180

1062.57,

3

1063.68,

566

1064.51,4

04

1065.50,

805

1066.11

1067.!

5,89

6

1068.!

6,49

5

106'.9

1070.360

1071.33,

4

1072.38,

221

1073.33,3

17

1074.35,

009

1075.4,

1076.!

0,083

1077.1,6

09

1078.10

107'.720

1080.21

1081.20,

275

1082.21,5

9

5

1083.24,

317

1084.!

1085.0,59

5

1086.3,3

1

7

1087.11

1088.144

0

108'.11,

7

10'0.10,

456

10'1.13,9

97

10'2.16,

982

10'3.!

10'4.2,29

7

10'5.5,2

82

10'6.12

10'7.288

0

10'8.8,2

10''.5,3

11

1100.9,07

2

1101.11,

904

1102.!

1103.0,87

2

1104.3,7

04

1105. (-s-)1106.40

1107.78

'02

1108.'1

346

110'. ,(-s-)1110.3

1111.65

75

1112.76

12

1113.




31/60




!! Tael '.

1116.

1117.-rak 4. Ploting data pengukuran dan prediksi dengan tiga jenis


1118.

0

1500

3000

0

100

200

300

400

500

600


(asil /engukuran

Talb"t

%herman

'shigur"



111'.

1120.


32/60


1123.%!.

1124.t

1125.I

1126.I.t

1127.I2

1128.I2.t

112'.l!$

t

1130.l!$

I

1131.l!$

t.l!$

I

1132.(l!

$t)2

1133.t0.5

1134.I.t0.5

1135.I2.t0.5

1136.1

1137.5

1138.417

,4

113'.208

7

1140.1742

22,76

1141.8711

13,8

1142.0,6

990

1143.2,6

206

1144.1,8

317

1145.0,4

886

1146.2,2

361

1147.933,3

348

1148.3895

73,93

114'.2

1150.10

1151.299

,9

1152.299

9

1153.8994

0,01

1154.8994

00,1

1155.1,0

000

1156.2,4

770

1157.2,4

770

1158.1,0

000

115'.3,1

623

1160.948,3

671

1161.2844

15,28

1162.3

1163.15

1164.284

,4

1165.426

6

1166.8088

3,

36

1167.1213

250,4

1168.1,1

7

61

116'.2,4

5

39

1170.2,8

8

60

1171.1,3

8

32

1172.3,8

7

30

1173.1101,

4765

1174.3132

59

,91

1175.4

1176.30

1177.193

,8

1178.581

4

117'.3755

8,44

1180.1126

753,2

1181.1,4

771

1182.2,2

874

1183.3,3

787

1184.2,1

819

1185.5,4

772

1186.1061,

4863

1187.2057

16,05


33/60

1188.5

118'.45

11'0.144

,6

11'1.650

7,0

11'2.2090

9,16

11'3.9409

12,2

11'4.1,6

532

11'5.2,1

602

11'6.3,5

712

11'7.2,7

331

11'8.6,7

082

11''.970,0

063

1200.1402

62,91

1201.6

1202.60

1203.132

,4

1204.794

4

1205.1752

9,76

1206.1051

785,

6

1207.1,7

782

1208.2,1

219

120'.3,7

730

1210.3,1

618

1211.7,7

460

1212.1025,

5660

1213.1357

84,94

1214.7

1215.120

1216.93,

8

1217.112

56

1218.8798

,44

121'.1055

812,8

1220.2,0

792

1221.1,9

722

1222.4,1

006

1223.4,3

230

1224.10,

9545

1225.1027,

5275

1226.9638

2,08

1227.8

1228.180

122'.64,

2

1230.115

56

1231.4121

,64

1232.7418

95,2

1233.2,2

553

1234.1,8

075

1235.4,0

765

1236.5,0

863

1237.13,

4164

1238.861,3

334

123'.5529

7,60

1240.

9

1241.

360

1242.37,

4

1243.134

64

1244.1398

,76

1245.5035

5

3,6

1246.2,5

5

63

1247.1,5

7

29

1248.4,0

2

07

124'.6,5

3

47

1250.18,

9

737

1251.709,6

151

1252.2653

9,60

1253.10

1254.720

1255.23,

6

1256.169

92

1257.556,

96

1258.4010

11,2

125'.2,8

573

1260.1,3

729

1261.3,9

229

1262.8,1

643

1263.26,

832

1264.633,2

545

1265.1494

4,81


34/60

8

1266.11

1267.144

0

1268.13,

2

126'.190

08

1270.174,

24

1271.2509

05,6

1272.3,1

584

1273.1,1

206

1274.3,5

392

1275.9,9

753

1276.37,

9473

1277.500,9

048

1278.6611,

94

127'.

12

1280.288

0

1281.

9,3

1282.267

84

1283.86,4

9

1284.2490

91,2

1285.3,4

594

1286.0,9

685

1287.3,3

504

1288.11,

9

674

128'.53,

6

656

12'0.499,0

904

12'1.4641,

54

12'2. &umlah

12'3.17

14

12'4.12

8677

12'5.436

18002

12'6.'30

5484'

12'7.24

14'4

12'8.22

'354

12''.40

'27'

1300.56

'''5

1301.1'0

''30

1302.1027

1'625

1303.1673

43060

1304.

1305.1306.1307.1308.

130'.1310.1311.



Tal!t


1314. a=[ I . t][I2 ][I2 . t][I]

N [I2 ] [I] [I]


35/60

1315. [128677 ] [436180,02 ][9305484,9 ][1714 ]

12 [436180,02 ][1714 ] [1714 ]

1316. a=17495,8025

1317.


131'. b=[I] [I . t]N[I2. t]N

[I

2

][I] [I]

1320. [1714 ] [128677 ]12 [9305484,9 ]12 [436180,02 ][1714 ] [1714 ]

1321. b=47,4169


1323. I= a

t+b

1324. I=17495,8025

t+47,4169

1325.

*herman


1327.

t

log t

log

[ log t] [ log t]N


[ logI ]log a=

1328. log a=[22,9354 ] [56,9995 ][40,9279][24,1494]

12 [56,9995 ][24,1494 ] [24,1494 ]

132'. log a=3,1639

1330. a=1458,5465

1331.


1333.

t

log

[log t

] [log t

]N


1334.

[22,9354 ] [24,1494 ]12 [40,9279 ]12 [56,9995 ][24,1494 ] [24,1494 ]


36/60

1335. n=0,6224


1336. I=

a

tn

1337. I=

1458,5465

t0,6224

1338.

Ishi$ur!

133'.Menghitung k"nstanta a#

1340. a=[I . t][I2 ][I2t][I]

N[I2 ] [I] [I]

1341. [10271,9625 ] [436180,02 ][1673430,60 ] [1714 ]

12 [436180,02 ][1714 ] [1714 ]

1342. a=702,0510

1343.

1344.Menghitung k"nstanta b#

1345. b=[ I][I .t]N I2t

N[I2 ][I] [I]

1346.

[1714 ] [10271,9625 ]12[1673430,60 ]12 [436180,02 ][1714 ] [1714 ]

1347. b=1,0778

1348.


134'. I=

a

t+b

1350. I=

702,0510

t+(1,0778)


37/60


1352.%!. 1353.t 1354.I


1356. De+iasi,(-s-)

1360.

Tal!t

1361.

*herman

1362.Ish

i$ur!

1363.Ta

1364.

*herman

1365.Ish

i$ur!

1366.1

1367.5

1368.417

,4

136'.33

3,78

1

1370.535,

614

1371.60

6,12

2

1372.!

1373.118,

214

1374.18

8,72

2

1375.2

1376.10

1377.299

,9

1378.30

4,715

137'.347,

919

1380.33

6,800

1381.4,

1382.48,0

19

1383.36,

900

1384.

3

1385.

15

1386.284

,4

1387.28

0

,305

1388.270,

316

138'.25

1

,165

13'0.

!

13'1.!

14

,084

13'2.!

33

,235

13'3.4

13'4.30

13'5.193

,8

13'6.22

5,995

13'7.175,

589

13'8.15

9,578

13''.32

1400.!

18,21

1

1401.!

34,22

2

1402.5

1403.45

1404.144

,6

1405.18

9,314

1406.136,

424

1407.12

4,689

1408.44

140'.!

8,176

1410.!

19,911

1411.6

1412.60

1413.132

,

4

1414.16

2

,8

1415.114,

0

58

1416.10

5

,2

1417.30

1418.!

1

8,

141'.!

2

7,


38/60

78

84

342

116

1420.7

1421.120

1422.93,

8

1423.10

4,504

1424.74,088

1425.

71,082

1426.10

1427.!

19,712

1428.!

22,718

142'.8

1430.180

1431.64,

2

1432.76,

933

1433.57,5

63

1434.56,

899

1435.12

1436.!

6,63

7

1437.!

7,30

1

1438.9

143'.360

1440.37,

4

1441.42,

943

1442.37,3

91

1443.39,

230

1444.5,

1445.!

0,009

1446.1,8

30

1447.10

1448.720

144'.23,

6

1450.22,

798

1451.24,2

8

8

1452.27,

259

1453.!

1454.0,68

8

1455.3,6

5

9

1456.11

1457.144

0

1458.13,

2

145'.11,

763

1460.15,7

77

1461.19,

041

1462.!

1463.2,57

7

1464.5,8

41

1465.12

1466.288

0

1467.9,3

1468.5,9

77

146'.10,2

48

1470.13,

350

1471.!

1472.0,94

8

1473.4,0

50

1474. (-s-)1475.47

1476.85

276

1477.'6

4'8

1478. ,(-s-)147'.3

1480.71

06

1481.80

42

1482.




39/60




!! Tael 11.

1485.



1487.

0

2000

0

100

200

300400

500

600

700


(asil /engukuran

Talb"t

%herman

'shigur"


Intensitas hujan (mm4jam)

1488.

148'.14'0.


40/60

14'1. eri!"e #lan$ 75 Tahun14'2. Tabel 12.Perhitungan harga tiap suku untuk perhitungan tetapan-tetapan dalam rumus intensitas curah hujan.

14'3.%!

.

14'4.t

14'5.I

14'6.I.t

14'7.I2

14'8.I2.t

14''.l!$

t

1500.l!$

I

1501.l!$

t.l!$

I

1502.(l!

$t)2

1503.t0.5

1504.I.t0.5

1505.I2.t0.5

1506.1

1507.5

1508.44

2,3

150'.221

1,5

1510.1956

29,29

1511.9781

46,45

1512.0,6

990

1513.2,6

457

1514.1,8

493

1515.0,4

886

1516.2,2

361

1517.989,0

129

1518.4374

40,39

151'.2

1520.10

1521.31

7,2

1522.317

2

1523.1006

15,84

1524.1006

158,4

1525.1,0

000

1526.2,5

013

1527.2,5

013

1528.1,0

000

152'.3,1

623

1530.1003,

0745

1531.3181

75,22

1532.

3

1533.

15

1534.30

1,7

1535.452

5,5

1536.9102

2,89

1537.1365

343,35

1538.1,1

761

153'.2,4

796

1540.2,9

162

1541.1,3

832

1542.3,8

730

1543.1168,

4791

1544.3525

30,14

1545.4

1546.30

1547.20

4,6

1548.613

8

154'.4186

1,16

1550.1255

834,8

1551.1,4

771

1552.2,3

109

1553.3,4

135

1554.2,1

819

1555.5,4

772

1556.1120,

6404

1557.2292

83,02


41/60

1558.5

155'.45

1560.15

2,5

1561.686

2,5

1562.2325

6,25

1563.1046

531,25

1564.1,6

532

1565.2,1

833

1566.3,6

094

1567.2,7

331

1568.6,7

082

156'.1023,

0011

1570.1560

07,67

1571.6

1572.60

1573.13

9,9

1574.839

4

1575.1957

2,01

1576.1174

320,6

1577.1,7

782

1578.2,1

458

157'.3,8

156

1580.3,1

618

1581.7,7

460

1582.1083,

6607

1583.1516

04,14

1584.7

1585.12

0

1586.99,

9

1587.119

88

1588.9980

,01

158'.1197

601,2

15'0.2,0

792

15'1.1,9

996

15'2.4,1

575

15'3.4,3

230

15'4.10,

9545

15'5.1094,

3497

15'6.1093

25,53

15'7.8

15'8.18

0

15''.68,

1

1600.122

58

1601.4637

,61

1602.8347

69,8

1603.2,2

553

1604.1,8

331

1605.4,1

342

1606.5,0

863

1607.13,

4164

1608.913,6

574

160'.6222

0,07

1610.9

1611.36

0

1612.39,

6

1613.142

5

6

1614.1568

,1

6

1615.5645

37

,6

1616.2,5

56

3

1617.1,5

97

7

1618.4,0

84

2

161'.6,5

34

7

1620.18,

97

37

1621.751,3

57

2

1622.2975

3,

74

1623.10

1624.72

0

1625.25,

2

1626.181

44

1627.635,

04

1628.4572

28,8

162'.2,8

573

1630.1,4

014

1631.4,0

043

1632.8,1

643

1633.26,

8328

1634.676,1

870

1635.1703

9,91


42/60

1636.11

1637.14

40

1638.14

163'.201

60

1640.196

1641.2822

40

1642.3,1

584

1643.1,1

461

1644.3,6

199

1645.9,9

753

1646.37,

9473

1647.531,2

626

1648.7437,

68

164'.12

1650.28

8

0

1651.9,9

1652.285

1

2

1653.98,0

1

1654.2822

68

,8

1655.3,4

594

1656.0,9

956

1657.3,4

443

1658.11,

96

74

165'.53,

66

56

1660.531,2

89

8

1661.5259,

77

1662. &umlah

1663.18

14'

1664.136

6215

1665.48'

07227

1666.1044

4'811

1667.24

14'4

1668.23

2402

166'.41

54'6

1670.56

'''5

1671.1'0

''30

1672.1088

5'722

1673.1876

07727

1674.

1675.1676.1677.1678.167'.

1680.1681.



Tal!t1683. Menghitung k"nstanta a#

1684. a=[ I . t][I2 ][I2 . t][I]

N [I2 ] [I] [I]


43/60

1685. [136621,5 ] [489072,27 ][10444981,1 ][1814,9]

12 [489072,27 ][1814,9 ] [1814,9 ]

1686. a=18586,8326

1687.


168'. b=[I] [I . t]N[I2. t]N

[I

2

][I] [I]

16'0. [1814,9 ] [136621,5 ]12 [10444981,1 ]

12 [489072,27 ][1814,9 ] [1814,9 ]

16'1. b=47,6172

16'2.o 'ntensitas (uan menggunakan $umus Talb"t#

16'3. I= a

t+b

16'4. I=18586,8326

t+47,6172

16'5.

*herman

16'6. Menghitung k"nstanta a#

16'7.

t

log t

log

[ log t] [ log t]N


[ logI ]log a=

16'8. log a=[23,2402 ] [56,9995 ][41,5496] [24,1494 ]

12 [56,9995 ] [24,1494 ] [24,1494 ]

16''. log a=3,1873

1700. a=1539,1352

1701.


1703.

t

log

[log t

] [log t

]N


1704.

[23,2402 ] [24,1494 ]12 [41,5496 ]12 [56,9995 ][24,1494 ] [24,1494 ]


44/60

1705. n=0,6214


1706. I=

a

tn

1707. I=

1539,1352

t0,6214

1708.

Ishi$ur!

170'. Menghitung k"nstanta a#

1710. a=[I . t][I2 ][I2t][I]

N[I2 ] [I] [I]

1711.

[10885,9722 ] [489072,27 ][1876077,27 ] [1814,9 ]

12 [489072,27 ][1814,9 ] [1814,9 ]

1712. a=745,2934

1713.


1715. b=[I][I .t]N[I2t]

N[I2 ][I] [I]

1716.

[1814,9 ] [10885,9722 ]12[1876077,27]12 [489072,27 ] [1814,9 ] [1814,9 ]

1717. b=1,0703

1718.


171'. I=

a

t+b

1720. I=

745,2934

t+(1,0703)


45/60

1721.Tabel 13. Perbandingan kecocokan rumus-rumus intensitas hujan.

1722.%!. 1723.t 1724.I


1726. De+iasi,(-s-)

1730.

Tal!t

1731.

*herman

1732.Ish

i$ur!

1733.Ta

1734.

*herman

1735.Ish

i$ur!

1736.1

1737.5

1738.442

,3

173'.35

3,24

6

1740.566,

130

1741.63

9,30

4

1742.!

1743.123,

830

1744.19

7,00

4

1745.2

1746.10

1747.317

,2

1748.32

2,592

174'.368,

000

1750.35

6,259

1751.5,

1752.50,8

00

1753.39,

059

1754.

3

1755.

15

1756.301

,7

1757.29

6

,833

1758.286,

035

175'.26

5

,919

1760.

!

1761.!

15

,665

1762.!

35

,781

1763.4

1764.30

1765.204

,6

1766.23

9,468

1767.185,

931

1768.16

9,118

176'.34

1770.!

18,66

9

1771.!

35,48

2

1772.5

1773.45

1774.152

,5

1775.20

0,684

1776.144,

518

1777.13

2,193

1778.48

177'.!

7,982

1780.!

20,307

1781.6

1782.60

1783.139

,

9

1784.17

2

,7

1785.120,

8

60

1786.11

1

,6

1787.32

1788.!

1

9,

178'.!

2

8,


46/60

12

43

040

257

17'0.7

17'1.120

17'2.99,

9

17'3.11

0,889

17'4.78,562

17'5.

75,403

17'6.10

17'7.!

21,338

17'8.!

24,497

17''.8

1800.180

1801.68,

1

1802.81,

658

1803.61,0

64

1804.60,

367

1805.13

1806.!

7,03

6

1807.!

7,73

3

1808.9

180'.360

1810.39,

6

1811.45,

599

1812.39,6

93

1813.41,

629

1814.5,

1815.0,09

3

1816.2,0

29

1817.10

1818.720

181'.25,

2

1820.24,

214

1821.25,8

02

1822.28,

929

1823.!

1824.0,60

2

1825.3,7

29

1826.11

1827.144

0

1828.14

182'.12,494

1830.16,7

72

1831.20,210

1832.!

1833.2,77

2

1834.6,2

10

1835.12

1836.288

0

1837.9,9

1838.6,3

49

183'.10,9

02

1840.14,

170

1841.!

1842.1,00

2

1843.4,2

70

1844. (-s-)1845.51

1846.

8'36'

1847.10

0245

1848. ,(-s-)184'.4

1850.74

47

1851.83

54

1852.




47/60




!! Tael 13.

1855.



1857.

0

2000

0

100

200

300400

500

600

700


(asil /engukuran

Talb"t

%herman

'shigur"



1858.

185'.1860.


48/60


1863.%!

.

1864.t

1865.I

1866.I.t

1867.I2

1868.I2.t

186'.l!$

t

1870.l!$

I

1871.l!$

t.l!$

I

1872.(l!

$t)2

1873.t0.5

1874.I.t0.5

1875.I2.t0.5

1876.1

1877.5

1878.45

9,9

187'.22

99,5

1880.2115

08,01

1881.1057

540,05

1882.0,6

990

1883.2,6

627

1884.1,8

611

1885.0,4

886

1886.2,2

361

1887.1028,

3677

1888.4729

46,29

188'.2

18'0.10

18'1.32

9,4

18'2.32

94

18'3.1085

04,36

18'4.1085

043,6

18'5.1,0

000

18'6.2,5

177

18'7.2,5

177

18'8.1,0

000

18''.3,1

623

1'00.1041,

6543

1'01.3431

20,91

1'02.

3

1'03.

15

1'04.31

4

1'05.47

10

1'06.9859

6

1'07.1478

940

1'08.1,1

761

1'0'.2,4

969

1'10.2,9

366

1'11.1,3

832

1'12.3,8

730

1'13.1216,

1168

1'14.3818

60,67

1'15.4

1'16.30

1'17.21

2,3

1'18.63

69

1'1'.4507

1,29

1'20.1352

138,7

1'21.1,4

771

1'22.2,3

269

1'23.3,4

372

1'24.2,1

819

1'25.5,4

772

1'26.1162,

8150

1'27.2468

65,62


49/60

1'28.5

1'2'.45

1'30.15

8,1

1'31.71

14,5

1'32.2499

5,61

1'33.1124

802,45

1'34.1,6

532

1'35.2,1

989

1'36.3,6

353

1'37.2,7

331

1'38.6,7

082

1'3'.1060,

5670

1'40.1676

75,65

1'41.6

1'42.60

1'43.14

5,

3

1'44.87

18

1'45.2111

2,0

9

1'46.1266

725,

4

1'47.1,7

78

2

1'48.2,1

62

3

1'4'.3,8

44

8

1'50.3,1

61

8

1'51.7,7

46

0

1'52.1125,

4890

1'53.1635

33,5

5

1'54.7

1'55.12

0

1'56.10

4,2

1'57.12

504

1'58.1085

7,64

1'5'.1302

916,8

1'60.2,0

792

1'61.2,0

179

1'62.4,1

955

1'63.4,3

230

1'64.10,

9545

1'65.1141,

4538

1'66.1189

39,49

1'67.8

1'68.18

0

1'6'.70,

9

1'70.12

762

1'71.5026

,81

1'72.9048

25,8

1'73.2,2

553

1'74.1,8

506

1'75.4,1

737

1'76.5,0

863

1'77.13,

4164

1'78.951,2

233

1'7'.6744

1,73

1'80.

9

1'81.36

0

1'82.41,

2

1'83.14

8

32

1'84.1697

,44

1'85.6110

78,4

1'86.2,5

5

63

1'87.1,6

1

49

1'88.4,1

2

82

1'8'.6,5

3

47

1''0.18,

9

737

1''1.781,7

150

1''2.3220

6,66

1''3.10

1''4.72

0

1''5.26,

3

1''6.18

936

1''7.691,

69

1''8.4980

16,8

1'''.2,8

573

2000.1,4

200

2001.4,0

573

2002.8,1

643

2003.26,

832

2004.705,7

031

2005.1855

9,99


50/60

8

2006.11

2007.14

40

2008.14,

7

200'.21

168

2010.216,

09

2011.3111

69,6

2012.3,1

584

2013.1,1

673

2014.3,6

868

2015.9,9

753

2016.37,

9473

2017.557,8

258

2018.8200,

04

201'.

12

2020.28

80

2021.10,

4

2022.29

952

2023.108,

16

2024.3115

00,8

2025.3,4

594

2026.1,0

170

2027.3,5

183

2028.11,

9

674

202'.53,

6

656

2030.558,1

226

2031.5804,

47

2032. &umlah

2033.18

867

2034.14

265'

2035.528

3851'

2036.1130

46'84

2037.24

14'4

2038.23

4532

203'.41

''26

2040.56

'''5

2041.1'0

''30

2042.1133

10533

2043.2027

15507

2044.

2045.2046.2047.2048.

204'.2050.2051.



Tal!t


2054. a=[ I . t][I2 ][I2 . t][I]

N [I2 ] [I] [I]


51/60

2055. [142659 ] [528385,19 ][11304698,4] [1886,7 ]

12 [528385,19 ][1886,7 ] [1886,7 ]

2056. a=19435,6750

2057.


205'. b=[I] [I . t]N[I2. t]N

[I

2

][I] [I]

2060. [1886,7 ] [142659 ]12 [11304698,4 ]12 [528385,19 ] [1886,7 ] [1886,7 ]

2061. b=48,0040


2063. I= a

t+b

2064. I=19435,6750

t+48,0040

2065.

*herman


2067.

t

log t

log

[ log t] [ log t]N


[ logI ]log a=

2068. log a=[23,4532 ] [56,9995 ][41,9926] [24,1494 ]

12 [56,9995 ] [24,1494 ] [24,1494 ]

206'. log a=3,2016

2070. a=1590,7354

2071.


2073.

t

log

[log t

] [log t

]N


2074.

[23,4532 ] [24,1494 ]12 [41,9926 ]12 [56,9995 ][24,1494 ] [24,1494 ]


52/60

2075. n=0,6197


2076. I=

a

tn

2077. I=

1590,7354

t0,6197

2078.

Ishi$ur!

207'. Menghitung k"nstanta a#

2080. a=[I . t][I2 ][I2t][I]

N[I2 ] [I] [I]

2081.

[11331,0533 ] [528385,19 ][2027155,07 ] [1886,7 ]

12 [528385,19 ][1886,7 ] [1886,7 ]

2082. a=777,6119

2083.


2085. b=[I][I .t]N[I2t]

N[I2 ][I] [I]

2086.

[1886,7 ] [11331,0533 ]12[2027155,07]12 [528385,19 ][1886,7 ] [1886,7 ]

2087. b=1,0599

2088.


208'. I=

a

t+b

20'0. I=

777,6119

t+(1,0599)


53/60

2091.Tabel 15. Perbandingan kecocokan rumus-rumus intensitas hujan.

20'2.%!. 20'3.t 20'4.I

20'5. Intensitashujan I

20'6. De+iasi,(-s-)

2100.

Tal!t

2101.

*herman

2102.Ish

i$ur!

2103.Ta

2104.

*herman

2105.Ish

i$ur!

2106.1

2107.5

2108.459

,9

210'.36

6,68

3

2110.586,

717

2111.66

1,13

9

2112.!

2113.126,

817

2114.20

1,23

9

2115.2

2116.10

2117.329

,4

2118.33

5,075

211'.381,

832

2120.36

9,872

2121.5,

2122.52,4

32

2123.40,

472

2124.

3

2125.

15

2126.

314

2127.30

8

,483

2128.296,

992

212'.27

6

,427

2130.

!

2131.!

17

,008

2132.!

37

,573

2133.4

2134.30

2135.212

,3

2136.24

9,163

2137.193,

281

2138.17

6,037

213'.36

2140.!

19,01

9

2141.!

36,26

3

2142.5

2143.45

2144.158

,1

2145.20

8,977

2146.150,

335

2147.13

7,672

2148.50

214'.!

7,765

2150.!

20,428

2151.6

2152.60

2153.145

,

3

2154.17

9

,9

2155.125,

7

86

2156.11

6

,3

2157.34

2158.!

1

9,

215'.!

2

8,


54/60

53

03

514

997

2160.7

2161.120

2162.104,2

2163.11

5,686

2164.81,861

2165.

78,590

2166.11

2167.!

22,339

2168.!

25,610

216'.8

2170.180

2171.70,

9

2172.85,

243

2173.63,6

72

2174.62,

931

2175.14

2176.!

7,22

8

2177.!

7,96

9

2178.9

217'.360

2180.41,

2

2181.47,

636

2182.41,4

37

2183.43,

409

2184.6,

2185.0,23

7

2186.2,2

09

2187.10

2188.720

218'.26,

3

21'0.25,

307

21'1.26,9

67

21'2.30,

172

21'3.!

21'4.0,66

7

21'5.3,8

72

21'6.11

21'7.144

0

21'8.14,

7

21''.13,062

2200.17,5

50

2201.21,081

2202.!

2203.2,85

0

2204.6,3

81

2205.12

2206.288

0

2207.10,

4

2208.6,6

38

220'.11,4

22

2210.14,

782

2211.!

2212.1,02

2

2213.4,3

82

2214. (-s-)2215.55

2216.

'1151

2217.10

1714

2218. ,(-s-)221'.4

2220.75

'6

2221.84

76

2222.




55/60




!! Tael 15.

2225.



2227.

0

100

200300

400

500

600

700


(asil /engukuran

Talb"t

%herman

'shigur"



2228.

222'.2230. (asil untuk perhitungan semua peri"de ulang menggunakan

rumus Talb"t

2231. *engan menelaah de+iasi antara data terukur dan hasil prediksi,

maka rumus dengan de+iasi rata!rata ,(/s) tereil dianggap sebagai

rumus alin$ !!.

2232. *ari hasil perhitungan diatas diber"leh baha rumus Tal!t alin$

!! Tael 3 Tael 5 Tael 7 Tael ' Tael 11 Tael 13 Tael

15.


56/60

2233.2234. Tabel 16. Hasil perhitungan intensitas hujan menggunakan rumus

Talbot.

2235.%! 2236.t

2237. Intensitas Hujan Tal!t eri!"e #lan$ I

2240.5

2241.10

2242.20

2243.25

2244.50

2245.75

2246.10

0

2247.1

2248.5

224'.220

,614

2250.256

,016

2251.290

,000

2252.300

,591

2253.333

,781

2254.353

,246

2255.366

,683

2256.2

2257.10

2258.200

,287

225'.232

,922

2260.264

,250

2261.274

,090

2262.304

,715

2263.322

,592

2264.335

,075

2265.3

2266.15

2267.183

,389

2268.213

,649

226'.242

,700

2270.251

,884

2271.280

,305

2272.296

,833

2273.308

,483

2274.4

2275.30

2276.146

,348

2277.171

,162

2278.194

,993

227'.202

,633

2280.225

,995

2281.239

,468

2282.249

,163

2283.5

2284.45

2285.121

,755

2286.142

,771

2287.162

,960

2288.169

,492

228'.189

,314

22'0.200

,684

22'1.208

,977

22'2.6

22'3.60

22'4.104

,239

22'5.122

,458

22'6.139

,967

22'7.145

,668

22'8.162

,878

22''.172

,712

2300.179

,953

2301.7

2302.120

2303.66,

164

2304.78,

043

2305.89,

471

2306.93,

243

2307.104

,504

2308.110

,889

230'.115

,686

2310.

8

2311.

180

2312.

48,4

2313.

57,2

2314.

65,7

2315.

68,5

2316.

76,9

2317.

81,6

2318.

85,2


57/60

62

71

50

66

33

58

43

231'.9

2320.360

2321.26,

8

84

2322.31,

8

44

2323.36,

6

22

2324.38,

2

21

2325.42,

9

43

2326.45,

5

99

2327.47,

6

36

2328.10

232'.720

2330.14,

221

2331.16,

867

2332.19,

418

2333.20,

275

2334.22,

798

2335.24,

214

2336.25,

307

2337.11

2338.144

0

233'.7,3

22

2340.8,6

92

2341.10,

011

2342.10,

456

2343.11,

763

2344.12,

494

2345.13,

062

2346.12

2347.288

0

2348.3,7

17

234'.4,4

13

2350.5,0

85

2351.5,3

11

2352.5,9

77

2353.6,3

49

2354.6,6

38

2355.2356. -rak 8. Kurva untuk berbagai periode ulang berdasarkan rumus

Talbot.

2357.

0

50

100

150

200

250

300

350

400

Huun$an antara Durasi Hujan "an Intensitas Hujan ,en$$una1an 5umus Tal!t

5 tahun

10 tahun

20 tahun

25 Tahun

50 tahun

75 tahun

100 tahun



2358.235'.2360.

2361. Analisis Intensitas Hujan ,en$$unaan

umus ,!n!n!e

2362.


58/60

2363. Tabel 17. Tabel perhitungan intensitas hujan menggunakan Rumus

Mononobe.

2364.%!

2365.t(menit)

2366.2

tahun

2367.5

tahun

2368.10

tahun

236'.20

tahun

2370.25

tahun

2371.50

tahun

2372.100

tahun

2375.80

11

2376.'5

11

2377.10

511

2378.12

011

237'.13

511

2380.15

011

2381.165

11

2382.1

2383.5

2384.

145,570

2385.

172,826

2386.190,998

2387.218,254

2388.245,511

238'.272,768

23'0.300,

025

23'1.2

23'2.10

23'3.91,

70

3

23'4.10

8,8

74

23'5.120

,32

1

23'6.137

,49

2

23'7.154

,66

2

23'8.171

,83

3

23''.189,

00

4

2400.3

2401.15

2402.69,

983

2403.83,

086

2404.91,

822

2405.104

,926

2406.118

,029

2407.131

,133

2408.144,

237

240'.4

2410.20

2411.57,

7

69

2412.68,

5

86

2413.75,

7

97

2414.86,

6

14

2415.97,

4

31

2416.108

,2

48

2417.119,

0

65

2418.5

241'.45

2420.33,

644

2421.39,

944

2422.44,

143

2423.50,

443

2424.56,

743

2425.63,

042

2426.69,3

42

2427.6

2428.60

242'.27,

773

2430.32,

973

2431.36,

440

2432.41,

640

2433.46,

840

2434.52,

040

2435.57,2

40

2436. 2437. 2438. 243'. 2440. 2441. 2442. 2443. 2444.


59/60

0496

772

956

231

507

783

59

2445.

8

2446.

180

2447.13,

352

2448.15,

852

244'.17,

518

2450.20,

018

2451.22,

518

2452.25,

018

2453.27,5

18

2454.9

2455.24

0

2456.11,

022

2457.13,

085

2458.14,

461

245'.16,

525

2460.18,

588

2461.20,

652

2462.22,7

16

2463.10

2464.30

0

2465.9,4

9

8

2466.11,

27

7

2467.12,

46

2

2468.14,

24

1

246'.16,

01

9

2470.17,

79

8

2471.19,5

7

62472.

2473. $umus M"n"n"be#

2474. I=R24

24 .( 24t)

2

3

2475.

2476. "nt"h perhitungan intensitas huan menggunakan peri"de

ulang 2 tahun untuk durasi 5 menit.2477. $2 80,11 mm

2478.I=

80,11

24 .(

24

5

60)2

3

247'. I=145,570mm/jam

2480.

2481.2482.

2483.

2484.

2485.

2486.

2487.

2488.

248'.


60/60

24'0. *ari keseluruhan data diatas dapat dibuat grak hubungan

antara durasi aktu dan intensitas huan.

2491. -rak 9. Grafk hubungan antara durasi hujan dan intensitas hujan

menggunakan rumus Mononobe.

24'2.

0

50

100

150

200

250

300

0

50

100

150

200

250

300

350

Huun$an antara Durasi Hujan "an Intensitas Hujan ,en$$una1an 5umus ,!n!n!e

2 tahun

5 tahun

10 tahun

20 tahun

25 tahun

50 tahun

100 tahun



Analisis Intensitas Hujan

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