34
nalisis Hidrologi ( Drainase Makro) Tabel 1 Data Curah Hujan Maksimum DAS BCD NO TAHUN STASIUN PENCATAT B C D 1 1990 80 125 125 2 1991 79 128 138 3 1992 67 134 131 4 1993 102 130 129 5 1994 108 144 147 6 1995 118 148 140 7 1996 129 160 150 8 1997 130 172 158 9 1998 138 169 165 10 1999 159 178 170 11 2000 153 163 185 12 2001 141 170 192 13 2002 132 182 205 14 2003 129 180 194 Tabel 2 Uji Konsistensi Data Metode "Rescaled Adjusted Partial Sums" Sta. B UJI KONSISTENSI HUJAN METODE RAPS : STASIUN B NO TAHUN B Sk* Dy^2 1 1990 80 -38.9285714 108.2453 2 1991 79 -39.9285714 113.8779 3 1992 67 -51.9285714 192.6126 4 1993 102 -16.9285714 20.4698 5 1994 108 -10.9285714 8.5310 6 1995 118 -0.928571399999996 0.0616 7 1996 129 10.0714286 7.2453 8 1997 130 11.0714286 8.7555 9 1998 138 19.0714286 25.9800 10 1999 159 40.0714286 114.6942 11 2000 153 34.0714286 82.9187 12 2001 141 22.0714286 34.7963 13 2002 132 13.0714286 12.2044 14 2003 129 10.0714286 7.2453 Jumlah 1665 737.6378

Sarah Insani Hidro

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Page 1: Sarah Insani Hidro

Analisis Hidrologi ( Drainase Makro)Tabel 1 Data Curah Hujan Maksimum DAS BCD

NO TAHUNSTASIUN PENCATAT

B C D1 1990 80 125 1252 1991 79 128 1383 1992 67 134 1314 1993 102 130 1295 1994 108 144 1476 1995 118 148 1407 1996 129 160 1508 1997 130 172 1589 1998 138 169 165

10 1999 159 178 17011 2000 153 163 18512 2001 141 170 19213 2002 132 182 20514 2003 129 180 194

Tabel 2 Uji Konsistensi DataMetode "Rescaled Adjusted Partial Sums" Sta. B

UJI KONSISTENSI HUJANMETODE RAPS : STASIUN B

NO TAHUN B Sk* Dy^2 Sk**

1 1990 80 -38.9285714 108.2453 -0.73882 1991 79 -39.9285714 113.8779 -0.75783 1992 67 -51.9285714 192.6126 -0.98564 1993 102 -16.9285714 20.4698 -0.32135 1994 108 -10.9285714 8.5310 -0.20746 1995 118 -0.928571399999996 0.0616 -0.01767 1996 129 10.0714286 7.2453 0.19128 1997 130 11.0714286 8.7555 0.21019 1998 138 19.0714286 25.9800 0.3620

10 1999 159 40.0714286 114.6942 0.760511 2000 153 34.0714286 82.9187 0.646712 2001 141 22.0714286 34.7963 0.418913 2002 132 13.0714286 12.2044 0.248114 2003 129 10.0714286 7.2453 0.1912

Jumlah 1665 737.6378

Page 2: Sarah Insani Hidro

Rerata 118.928571428571 52.6884

n = 14Dy = 52.6884110787172

Sk** Maks = 0.7605Sk** Min = -0.9856

Q = |Sk** maks | = 0.9856R = Sk** maks - Sk** min = 1.7461

Q/n^0.5 = 0.263406965566478 <1.07 OK! InterpolasiR/ n^0.5 = 0.466668737051295 <1.262 OK! Interpolasi

Tabel 4 Uji Konsistensi DataMetode "Rescaled Adjusted Partial Sums" Sta. D

UJI KONSISTENSI HUJANMETODE RAPS : STASIUN D

NO TAHUN D Sk* Dy^2

1 1990 125 -34.21429 83.61552 1991 138 -21.21429 32.14613 1992 131 -28.21429 56.86044 1993 129 -30.21429 65.20745 1994 147 -12.21429 10.65636 1995 140 -19.21429 26.37067 1996 150 -9.214286 6.06458 1997 158 -1.214286 0.10539 1998 165 5.785714 2.3910

10 1999 170 10.78571 8.309411 2000 185 25.78571 47.493112 2001 192 32.78571 76.778813 2002 205 45.78571 149.738014 2003 194 34.78571 86.4319

Jumlah 2229 652.1684Rerata 159.214285714286 46.5835

n = 14Dy = 46.5834548104956

Sk** Maks = 0.9829Sk** Min = -0.7345

Q = |Sk** maks | = 0.9829R = Sk** maks - Sk** min = 1.7173

Page 3: Sarah Insani Hidro

Q/n^0.5 = 0.262684399763295 <1.07 OK!R/ n^0.5 = 0.458980542344922 <1.262 OK!

Page 4: Sarah Insani Hidro

Tabel 3 Uji Konsistensi DataMetode "Rescaled Adjusted Partial Sums" Sta. C

UJI KONSISTENSI HUJANMETODE RAPS : STASIUN C

|Sk**| NO TAHUN C Sk*

0.7388 1 1990 125 -30.928570.7578 2 1991 128 -27.928570.9856 3 1992 134 -21.928570.3213 4 1993 130 -25.928570.2074 5 1994 144 -11.928570.0176 6 1995 148 -7.9285710.1912 7 1996 160 4.0714290.2101 8 1997 172 16.071430.3620 9 1998 169 13.071430.7605 10 1999 178 22.071430.6467 11 2000 163 7.0714290.4189 12 2001 170 14.071430.2481 13 2002 182 26.071430.1912 14 2003 180 24.07143

Jumlah 2183

Page 5: Sarah Insani Hidro

Rerata 155.928571428571

n = 14Dy = 28.2394314868805

Sk** Maks = 0.5599Sk** Min = -0.6642

Q = |Sk** maks | = 0.6642R = Sk** maks - Sk** min = 1.2241

Q/n^0.5 = 0.177510792755632 <1.07R/ n^0.5 = 0.327144602193654 <1.262

UJI KONSISTENSI HUJANMETODE RAPS : STASIUN D

Sk** |Sk**|

-0.7345 0.7345-0.4554 0.4554-0.6057 0.6057-0.6486 0.6486-0.2622 0.2622-0.4125 0.4125-0.1978 0.1978-0.0261 0.02610.1242 0.12420.2315 0.23150.5535 0.55350.7038 0.70380.9829 0.98290.7467 0.7467

Page 6: Sarah Insani Hidro

InterpolasiInterpolasi

Page 7: Sarah Insani Hidro

UJI KONSISTENSI HUJANMETODE RAPS : STASIUN C

Dy^2 Sk** |Sk**|

68.3269 -0.6642 0.664255.7147 -0.5998 0.599834.3473 -0.4709 0.470948.0208 -0.5568 0.556810.1636 -0.2562 0.25624.4902 -0.1703 0.17031.1840 0.0874 0.0874

18.4493 0.3451 0.345112.2044 0.2807 0.280734.7963 0.4740 0.47403.5718 0.1519 0.1519

14.1432 0.3022 0.302248.5514 0.5599 0.559941.3881 0.5169 0.5169

395.3520

Page 8: Sarah Insani Hidro

28.2394

OK! InterpolasiOK! Interpolasi

Page 9: Sarah Insani Hidro

Tabel 5 Data Curah Hujan DaerahNO TAHUN STASIUN PENCATAT

B C D

1 1990 80 125 125

2 1991 79 128 138

3 1992 67 134 131

4 1993 102 130 129

5 1994 108 144 147

6 1995 118 148 140

7 1996 129 160 150

8 1997 130 172 158

9 1998 138 169 165

10 1999 159 178 170

11 2000 153 163 185

12 2001 141 170 192

13 2002 132 182 205

14 2003 129 180 194

Pemilihan Distribusi

NO TAHUN STASIUN

B C D

1 1990 80 125 125

2 1991 79 128 138

3 1992 67 134 131

4 1993 102 130 129

5 1994 108 144 147

6 1995 118 148 140

7 1996 129 160 150

8 1997 130 172 158

9 1998 138 169 165

10 1999 159 178 170

11 2000 153 163 185

12 2001 141 170 192

13 2002 132 182 205

14 2003 129 180 194

JUMLAH 1858.00

RERATA 142.92

n 14.00

STDV 22.75

Cs -0.17

Ck 0.12

Cv 0.16

Page 10: Sarah Insani Hidro

Syarat Pemilihan Distribusi

Distribusi Cs Cs/Cv Ck

Normal 0 - 3

Log Normal ~3 3 -

Gumbel ~1.1396 - ~5.4002

Log Person 3 Tidak mempunyai Sifat khas Untuk Memperkiran Jenis Distribusi

Kesimpulan

Dari Hitungan Diatas Disimpulkan Sebagai Berikut

Cs -0.17 Sebaran Normal, log Normal, dan Gumbel tidak Mendekati

Cs/Cv 0.16 Sebaran Log Normal tidak Mendekati

Ck 0.12 Sebaran Gumbel dan Normal tidak Mendekati

Jadi Digunakan Distribusi Log Person III

Tabel 6 Perhitungan Standar Deviasi dan Koefisien Variat

Metode Log Person III

NO TAHUN Ri Log R (LogR - LogR*)

1 1990 110.00 2.04 -0.11

2 1991 115.00 2.06 -0.09

3 1992 110.67 2.04 -0.11

4 1993 120.33 2.08 -0.07

5 1994 133.00 2.12 -0.03

6 1995 135.33 2.13 -0.02

7 1996 146.33 2.17 0.02

8 1997 153.33 2.19 0.04

9 1998 157.33 2.20 0.05

10 1999 169.00 2.23 0.08

11 2000 167.00 2.22 0.07

12 2001 167.67 2.22 0.07

13 2002 173.00 2.24 0.09

14 2003 167.67 2.22 0.07

Jumlah 30.17 -0.01

R* 2.15

N= 14

Di dapat Standar Deviasi S= 0.0736129656732

Page 11: Sarah Insani Hidro

Koefisien Skewness Cs= -0.0195446228754

Tabel 7 Curah Hujan Rencana Berbagai Periode Ulang

Metode Log Person III

Tr P% K Log Rt Rt

2 0.5 0.116 2.163 145.6570

5 0.2 0.857 2.218 165.1500

10 0.1 1.183 2.242 174.5326

20 0.02 1.488 2.264 183.7928

25 0.04 1.663 2.277 189.3262

50 0.02 1.806 2.288 193.9713

100 0.01 1.926 2.297 197.9570

200 0.005 2.14 2.312 205.2693

K Diliat dari tabel k minus(-0,7) hal VI-13

Tabel 8 Perhitungan Kurva IDF

No(24/t)^0.667 Periode Ulang

2 Tahun 5 Tahun 10 Tahun

1 5 43.6108942279713 264.676397398029 300.097530920996 317.146738156759

2 10 27.47314182128 166.735682246059 189.049598114421 199.789925654599

3 15 20.9659311536712 127.243140139273 144.27184500704 152.468248943661

4 20 17.3069948436889 105.036897915196 119.093784069262 125.859766444581

5 30 13.2077089955785 80.158155358097 90.8855672157704 96.0489781423648

6 45 10.079368399159 61.1721213968108 69.3586688229537 73.2990888415058

7 60 8.32033529220762 50.4964736282049 57.2543196333923 60.507064691229

8 120 5.24148278841779 31.8107850348184 36.0679612517601 38.1170622359151

9 180 4 24.276172464106 27.5250059631677 29.0887626838292

10 240 3.30192724889463 20.0395388395242 22.7213918039426 24.0122445355912

11 360 2.51984209978975 15.2930303492027 17.3396672057384 18.3247722103765

Waktu (menit)

0 50 100 150 200 250 300 350 4000

50

100

150

200

250

300

350

400

Gb. KURVA INTENSITAS DURASI FREKUENSI (IDF)

2 Tahun

5 Tahun

10 Tahun

20 Tahun

25 Tahun

menit

mm

/jam

Page 12: Sarah Insani Hidro

Tabel 9

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 2 TAHUN SEKALI

No t I It I^2

1 5 264.676397398029 1323.38198699015 70053.5953395995

2 10 166.735682246059 1667.35682246059 27800.7877340587

3 15 127.243140139273 1908.6471020891 16190.8167125028

4 20 105.036897915196 2100.73795830392 11032.7499236473

5 30 80.158155358097 2404.74466074291 6425.32987041281

6 45 61.1721213968108 2752.74546285649 3742.02843618616

7 60 50.4964736282049 3029.7884176923 2549.893848884

8 120 31.8107850348184 3817.29420417821 1011.92604453142

9 180 24.276172464106 4369.71104353908 589.332549507018

10 240 20.0395388395242 4809.48932148582 401.583116900801

11 360 15.2930303492027 5505.49092571298 233.876777261635

946.938394769322 33689.3879060515 140031.920353492

Tabel 10

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 5 TAHUN SEKALI

No t I It I^2

1 5 300.097530920996 1500.48765460498 90058.5280648784

2 10 189.049598114421 1890.49598114421 35739.7505472239

3 15 144.27184500704 2164.07767510561 20814.3652617355

4 20 119.093784069262 2381.87568138525 14183.3294039361

5 30 90.8855672157704 2726.56701647311 8260.18632813232

6 45 69.3586688229537 3121.14009703292 4810.62494089217

7 60 57.2543196333923 3435.25917800354 3278.05711668265

8 120 36.0679612517601 4328.15535021121 1300.89782885847

0 50 100 150 200 250 300 350 4000

50

100

150

200

250

300

350

400

Gb. KURVA INTENSITAS DURASI FREKUENSI (IDF)

2 Tahun

5 Tahun

10 Tahun

20 Tahun

25 Tahun

menit

mm

/jam

Page 13: Sarah Insani Hidro

9 180 27.5250059631677 4954.50107337018 757.625953272416

10 240 22.7213918039426 5453.13403294623 516.26164550827

11 360 17.3396672057384 6242.28019406584 300.664058805761

1073.66534000845 38197.9739343431 180020.291149926

Tabel 11

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 10 TAHUN SEKALI

No t I It I^2

1 5 317.146738156759 1585.73369078379 100582.053523472

2 10 199.789925654599 1997.89925654599 39916.0143930702

3 15 152.468248943661 2287.02373415491 23246.566935946

4 20 125.859766444581 2517.19532889161 15840.6808094844

5 30 96.0489781423648 2881.46934427095 9225.40620219248

6 45 73.2990888415058 3298.45899786776 5372.75642499496

7 60 60.507064691229 3630.42388147374 3661.10487754857

8 120 38.1170622359151 4574.04746830982 1452.91043349663

9 180 29.0887626838292 5235.97728308926 846.156114476134

10 240 24.0122445355912 5762.93868854189 576.58788763703

11 360 18.3247722103765 6596.91799573552 335.797276562185

1134.66265254041 40368.0856696652 201056.03487888

Tabel 12

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 20 TAHUN SEKALI

No t I It I^2

1 5 333.97365044368 1669.8682522184 111538.399190677

2 10 210.390216152112 2103.90216152112 44264.0430525324

3 15 160.557784615464 2408.36676923197 25778.8022006259

4 20 132.537531010989 2650.75062021978 17566.1971264889

5 30 101.145066280755 3034.35198842266 10230.3244329384

6 45 77.1881319570544 3473.46593806745 5958.00771501964

7 60 63.717399050068 3823.04394300408 4059.90694170561

8 120 40.1394461538661 4816.73353846394 1611.17513753912

9 180 30.6321304670221 5513.78348406397 938.327416948662

10 240 25.2862665701889 6068.70397684533 639.395277058651

11 360 19.2970329892636 6946.93187613489 372.375482188727

1194.86465569046 42509.9025481936 222956.953973723

Tabel 13

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 25 TAHUN SEKALI

No t I It I^2

Page 14: Sarah Insani Hidro

1 5 344.028540163752 1720.14270081876 118355.636447202

2 10 216.724399758457 2167.24399758457 46969.4654506636

3 15 165.391671408219 2480.87507112328 27354.4049712042

4 20 136.527816640756 2730.55633281512 18639.8447166919

5 30 104.190224142255 3125.70672426766 10855.6028068134

6 45 79.5120223403091 3578.04100531391 6322.16169664582

7 60 65.6357282950463 3938.14369770278 4308.04882882114

8 120 41.3479178520547 4961.75014224656 1709.65031070026

9 180 31.5543669767814 5679.78605582066 995.678075305395

10 240 26.0475560355638 6251.41344853532 678.475175425838

11 360 19.8780055850773 7156.08201062782 395.135106040364

1230.83824919827 43789.7411868564 236584.103585514

I I=a/t+b a= 4366.33907943386

b= 15.1439017014558

II I=a/t^n Log a= 2.88869521757009

n= 0.66666666666667

III I=a/t^0.5+b a= 314.08542317249

b= -1.2060312268772

Tabel 14

PERBANDINGAN KECOCOKAN RUMUS-RUMUS INTENSITAS CURAH HUJAN (I2)

No t I I1 a1

1 5 264.676397398029 216.757366281147 47.9190311168826

2 10 166.735682246059 173.653998940867 6.91831669480806

3 15 127.243140139273 144.849831407956 17.6066912686823

4 20 105.036897915196 124.241728096257 19.2048301810611

5 30 80.158155358097 96.7204631161302 16.5623077580332

6 45 61.1721213968108 72.5982012458659 11.426079849055

7 60 50.4964736282049 58.106366326055 7.6098926978501

8 120 31.8107850348184 32.3088132313915 0.49802819657308

9 180 24.276172464106 22.374970682475 1.90120178163096

10 240 20.0395388395242 17.1132409997513 2.92629783977297

11 360 15.2930303492027 11.6391045133093 3.65392583589345

Jumlah 136.226603220243

Rata-Rata 12.3842366563857

I I=a/t+b a= 4950.67784579009

Page 15: Sarah Insani Hidro

b= 15.1439017014558

II I=a/t^n Log a= 2.94324242513393

n= 0.66666666666667

III I=a/t^0.5+b a= 356.118871644587

b= -1.2060312268772

Tabel 15

PERBANDINGAN KECOCOKAN RUMUS-RUMUS INTENSITAS CURAH HUJAN (I5)

No t I I1 a1

1 5 300.097530920996 245.765587976053 54.3319429449433

2 10 189.049598114421 196.893779834633 7.84418172021279

3 15 144.27184500704 164.23480592597 19.9629609189292

4 20 119.093784069262 140.868759759393 21.7749756901307

5 30 90.8855672157704 109.664376786255 18.7788095704844

6 45 69.3586688229537 82.3138789758674 12.9552101529137

7 60 57.2543196333923 65.8826296438395 8.62831001044725

8 120 36.0679612517601 36.6326396046087 0.56467835284857

9 180 27.5250059631677 25.3693700014463 2.15563596172139

10 240 22.7213918039426 19.4034731489796 3.31791865496298

11 360 17.3396672057384 13.1967434985253 4.14292370721315

Jumlah 154.457547684807

Rata-Rata 14.0415952440734

I I=a/t+b a= 4834207160.19679

b= 15.1439017014558

II I=a/t^n Log a= 2.96724025194339

n= 0.66666666666667

III I=a/t^0.5+b a= 376.350775667925

b= -1.2060312268772

Tabel 16

PERBANDINGAN KECOCOKAN RUMUS-RUMUS INTENSITAS CURAH HUJAN (I10)

No t I I1 a1

1 5 317.146738156759 239983655.194635 239983338.047897

2 10 199.789925654599 192261615.464274 192261415.674348

3 15 152.468248943661 160370983.427249 160370830.959

Page 16: Sarah Insani Hidro

4 20 125.859766444581 137554651.764706 137554525.904939

5 30 96.0489781423648 107084389.651701 107084293.602723

6 45 73.2990888415058 80377345.3906097 80377272.0915209

7 60 60.507064691229 64332661.0774476 64332600.5703829

8 120 38.1170622359151 35770812.4401792 35770774.323117

9 180 29.0887626838292 24772524.8806006 24772495.7918379

10 240 24.0122445355912 18946982.9690592 18946958.9568146

11 360 18.3247722103765 12886274.1424594 12886255.8176872

Jumlah 1074340761.74027

Rata-Rata 97667341.976388

I I=a/t+b a= 5509.52867641034

b= 15.1439017014558

II I=a/t^n Log a= 2.98969220647372

n= 0.66666666666667

III I=a/t^0.5+b a= 396.318887363114

b= -1.2060312268772

Tabel 17

PERBANDINGAN KECOCOKAN RUMUS-RUMUS INTENSITAS CURAH HUJAN (I20)

No t I I1 a1

1 5 333.97365044368 273.508516774195 60.4651336694848

2 10 210.390216152112 219.119878125015 8.7296619729029

3 15 160.557784615464 182.774238417327 22.2164538018625

4 20 132.537531010989 156.770546515105 24.2330155041157

5 30 101.145066280755 122.043697349108 20.8986310683524

6 45 77.1881319570544 91.6057741607573 14.4176422037029

7 60 63.717399050068 73.3197046155457 9.60230556547774

8 120 40.1394461538661 40.7678674882523 0.62842133438617

9 180 30.6321304670221 28.2331583430119 2.39897212401021

10 240 25.2862665701889 21.5938089825758 3.69245758761303

11 360 19.2970329892636 14.6864407269371 4.61059226232651

Jumlah 171.893287094235

Rata-Rata 15.6266624631123

I I=a/t+b a= 5675.40314937336

b= 15.1439017014557

II I=a/t^n Log a= 3.00257447546653

Page 17: Sarah Insani Hidro

n= 0.66666666666667

III I=a/t^0.5+b a= 408.250794868762

b= -1.2060312268772

Tabel 18

PERBANDINGAN KECOCOKAN RUMUS-RUMUS INTENSITAS CURAH HUJAN (I25)

No t I I1 a1

1 5 344.028540163752 281.742992667762 62.2855474959899

2 10 216.724399758457 225.71688422743 8.99248446897244

3 15 165.391671408219 188.276992327748 22.8853209195289

4 20 136.527816640756 161.490411553771 24.9625949130151

5 30 104.190224142255 125.718046856157 21.5278227139017

6 45 79.5120223403091 94.3637341246185 14.8517117843094

7 60 65.6357282950463 75.5271288935934 9.89140059854712

8 120 41.3479178520547 41.9952589641137 0.64734111205904

9 180 31.5543669767814 29.0831693939172 2.47119758286425

10 240 26.0475560355638 22.2439302351587 3.80362580040518

11 360 19.8780055850773 15.1286029804369 4.74940260464042

Jumlah 177.068449994233

Rata-Rata 16.0971318176576

Page 18: Sarah Insani Hidro

CURAH HUJAN DAERAH

110.00

115.00

110.67

120.33

133.00

135.33

146.33

153.33

157.33

169.00

167.00

167.67

173.00

167.67

Ri P (Ri-R) (Ri-R)^2 (Ri - R )^3

110.00 12.50 -32.92 1083.73 -35676.27115.00 25.00 -27.92 779.53 -21764.38110.67 37.50 -32.25 1040.28 -33552.42120.33 50.00 -22.59 510.16 -11522.76133.00 62.50 -9.92 98.41 -976.19135.33 75.00 -7.59 57.56 -436.67146.33 87.50 3.41 11.65 39.77153.33 100.00 10.41 108.44 1129.20157.33 112.50 14.41 207.74 2994.29169.00 125.00 26.08 680.17 17738.74167.00 137.50 24.08 579.85 13962.70167.67 150.00 24.75 612.40 15154.80173.00 162.50 30.08 904.81 27216.58167.67 175.00 24.75 612.40 15154.80

6674.70 -25692.62

Page 19: Sarah Insani Hidro

Sebaran Normal, log Normal, dan Gumbel tidak Mendekati

Sebaran Gumbel dan Normal tidak Mendekati

(LogR-LogR*)^3

-0.00128108288628684

-0.00071217362448510

-0.00119044881865224

-0.00033735779947539

-0.00001787859219560

-0.00000642989739357

0.00000361204707991

0.00004525722746924

0.00010263959487784

0.00047248713474216

0.00038450180654955

0.00041260727921176

0.00068254362911777

0.00041260727921176

0.00

Page 20: Sarah Insani Hidro

Periode Ulang

20 Tahun 25 Tahun

333.97365044368 344.02854016375

210.390216152112 216.72439975846

160.557784615464 165.39167140822

132.537531010989 136.52781664076

101.145066280755 104.19022414226

77.1881319570544 79.512022340309

63.717399050068 65.635728295046

40.1394461538661 41.347917852055

30.6321304670221 31.554366976781

25.2862665701889 26.047556035564

19.2970329892636 19.878005585077

0 50 100 150 200 250 300 350 4000

50

100

150

200

250

300

350

400

Gb. KURVA INTENSITAS DURASI FREKUENSI (IDF)

2 Tahun

5 Tahun

10 Tahun

20 Tahun

25 Tahun

menit

mm

/jam

Page 21: Sarah Insani Hidro

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 2 TAHUN SEKALI

I^2t Log t Log I Logt*LogI (Logt)^2350267.976697997 0.698970004336 2.42271521467941 1.69340526410941 0.48855906696278007.877340587 1 2.22202855090343 2.22202855090343 1242862.250687542 1.1760912590557 2.10463437819964 2.47524209570868 1.38319064963220654.998472947 1.301029995664 2.02134188712744 2.62982642664484 1.69267904962192759.896112384 1.4771212547197 1.90394771442365 2.8123616368501 2.18188720114168391.279628377 1.6532125137753 1.78655354171986 2.95355267170094 2.7331116157152993.63093304 1.7781512503836 1.70326105064766 3.0286557669389 3.16182186924121431.125343771 2.0791812460476 1.50257438687168 3.1241244859751 4.32299465392106079.858911263 2.2552725051033 1.38518021416789 3.12395885162595 5.0862540722796379.9480561921 2.3802112417116 1.30188772309569 3.09876779395869 5.6654055551784195.6398141887 2.5563025007673 1.1844935503919 3.02792382500954 6.53468247543

2014024.48199829 18.355543771564 19.5386182122283 30.1898473694256 34.2505862091

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 5 TAHUN SEKALI

I^2t Log t Log I Logt*LogI (Logt)^2450292.640324392 0.698970004336 2.4772624222433 1.73153212601682 0.488559067357397.505472239 1 2.2765757584673 2.27657575846727 1312215.478926033 1.1760912590557 2.1591815857635 2.53939458973041 1.3831906496283666.588078721 1.301029995664 2.0758890946913 2.7007939798651 1.6926790496247805.58984397 1.4771212547197 1.9584949219875 2.89293447652825 2.1818872011216478.122340148 1.6532125137753 1.8411007492837 3.04373079783698 2.7331116157196683.427000959 1.7781512503836 1.7578082582115 3.12564895227348 3.1618218692156107.739463016 2.0791812460476 1.5571215944355 3.2375380169661 4.3229946539

0 50 100 150 200 250 300 350 4000

50

100

150

200

250

300

350

400

Gb. KURVA INTENSITAS DURASI FREKUENSI (IDF)

2 Tahun

5 Tahun

10 Tahun

20 Tahun

25 Tahun

menit

mm

/jam

Page 22: Sarah Insani Hidro

136372.671589035 2.2552725051033 1.4397274217317 3.24697766907484 5.0862540723123902.794921985 2.3802112417116 1.3564349306595 3.22860167060611 5.6654055552108239.061170074 2.5563025007673 1.2390407579557 3.16736298811486 6.5346824754

2589161.61913057 18.355543771564 20.13863749543 31.1910910254802 34.250586209

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 10 TAHUN SEKALI

I^2t Log t Log I Logt*LogI (Logt)^2502910.267617359 0.698970004336 2.5012602490527 1.74830588712589 0.488559067399160.143930702 1 2.3005735852767 2.30057358527673 1348698.504039191 1.1760912590557 2.1831794125729 2.56761822407735 1.3831906496316813.616189687 1.301029995664 2.0998869215007 2.73201587237496 1.6926790496276762.186065774 1.4771212547197 1.982492748797 2.92838217657559 2.1818872011241774.039124773 1.6532125137753 1.8650985760932 3.0834043054218 2.7331116157219666.292652914 1.7781512503836 1.781806085021 3.16832071802121 3.1618218692174349.252019595 2.0791812460476 1.581119421245 3.28743384841423 4.3229946539152308.100605704 2.2552725051033 1.4637252485412 3.30109930806045 5.0862540723138381.093032887 2.3802112417116 1.380432757469 3.28572156775464 5.6654055552120887.019562387 2.5563025007673 1.2630385847652 3.22870869280086 6.5346824754

2891710.51484097 18.355543771564 20.402613590335 31.6315841859037 34.250586209

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 20 TAHUN SEKALI

I^2t Log t Log I Logt*LogI (Logt)^2557691.995953385 0.698970004336 2.523712203583 1.7639991298813 0.488559067442640.430525324 1 2.3230255398071 2.32302553980705 1386682.033009388 1.1760912590557 2.2056313671033 2.59402377154918 1.3831906496351323.942529778 1.301029995664 2.1223388760311 2.7612265386802 1.6926790496306909.732988153 1.4771212547197 2.0049447033273 2.96154643582233 2.1818872011268110.347175884 1.6532125137753 1.8875505306235 3.12052215761004 2.7331116157243594.416502336 1.7781512503836 1.8042580395513 3.20824368904287 3.1618218692193341.016504694 2.0791812460476 1.6035713757753 3.3341155312108 4.3229946539168898.935050759 2.2552725051033 1.4861772030715 3.35173458379852 5.0862540723153454.866494076 2.3802112417116 1.4028847119993 3.33916196232612 5.6654055552134055.173587942 2.5563025007673 1.2854905392955 3.28610268031385 6.5346824754

3206702.89032172 18.355543771564 20.649585090168 32.0437020200423 34.250586209

PERHITUNGAN a,b UNTUK INTENSITAS CURAH HUJAN PERIODE ULANG 25 TAHUN SEKALI

I^2t Log t Log I Logt*LogI (Logt)^2

Page 23: Sarah Insani Hidro

591778.182236011 0.698970004336 2.5365944725759 1.77300344949506 0.488559067469694.654506636 1 2.3359078087999 2.33590780879986 1410316.074568063 1.1760912590557 2.2185136360961 2.60917449550843 1.3831906496372796.894333837 1.301029995664 2.1352211450239 2.77798675705205 1.6926790496325668.084204402 1.4771212547197 2.0178269723201 2.98057510916062 2.1818872011284497.276349062 1.6532125137753 1.9004327996163 3.14181928591478 2.7331116157258482.929729268 1.7781512503836 1.8171403085441 3.23115031176021 3.1618218692205158.037284031 2.0791812460476 1.6164536447681 3.36090010330719 4.3229946539179222.053554971 2.2552725051033 1.4990594720643 3.38078761086135 5.0862540723162834.042102201 2.3802112417116 1.4157669809921 3.36982448380156 5.6654055552142248.638174531 2.5563025007673 1.2983728082883 3.31903365675572 6.5346824754

3402696.86704301 18.355543771564 20.791290049089 32.2801630724168 34.250586209

TALBOT

a= 773.91848087811 SHERMAN

ISHIGURO

I2 a2 I3 a3

264.676397398028 0 304.92642421025 40.2500268122213

166.735682246058 0 160.55514163626 6.18054060980035

127.243140139273 0 117.76942709094 9.47371304833254

105.036897915196 0 96.165141450639 8.87175646455695

80.1581553580967 0 73.535736744626 6.62241861347133

61.1721213968106 0 57.083890306016 4.08823109079506

50.4964736282048 0 48.025767964771 2.47070566343351

31.8107850348183 0 32.219110958091 0.408325923272876

24.2761724641059 0 25.722828417257 1.44665595315151

20.0395388395242 0 21.985690487013 1.94615164748845

15.2930303492027 0 17.6773908217 2.38436047249771

0 84.1428862990216

0 7.64935329991105

TALBOT

Page 24: Sarah Insani Hidro

a= 877.49050360688 SHERMAN

ISHIGURO

I2 a2 I3 a3

300.097530920996 0 345.73414145596 45.6366105349644

189.04959811442 0 182.04192763457 7.00767047984579

144.27184500704 0 133.5302831511 10.7415618559414

119.093784069262 0 109.03473748967 10.0590465795942

90.8855672157703 0 83.376883048367 7.50868416740363

69.3586688229536 0 64.723317623364 4.63535119958981

57.2543196333922 0 54.452964180024 2.80135545336861

36.0679612517601 0 36.530932648492 0.462971396731469

27.5250059631676 0 29.165265101878 1.64025913870987

22.7213918039426 0 24.92799318567 2.20660138172736

17.3396672057384 0 20.043122057234 2.70345485149598

0 95.4035670393725

0 8.67305154903387

TALBOT

a= 927.3426879867 SHERMAN

ISHIGURO

I2 a2 I3 a3

317.146738156756 2.899014362E-12 365.37606589323 48.2293277364702

199.789925654597 1.648459147E-12 192.38413385105 7.40579180355073

152.468248943659 1.165290087E-12 141.11643510212 11.3518138415398

Page 25: Sarah Insani Hidro

125.85976644458 9.094947018E-13 115.22924308808 10.6305233565052

96.0489781423642 6.252776075E-13 88.113708950936 7.9352691914292

73.2990888415054 4.405364962E-13 68.400393045345 4.89869579616081

60.5070646912287 3.481659405E-13 57.546558012861 2.96050667836848

38.117062235915 1.776356839E-13 38.606336065935 0.489273830020018

29.0887626838291 1.136868377E-13 30.822208587157 1.73344590332735

24.0122445355911 0 26.344207842584 2.33196330699323

18.3247722103764 0 21.181816336247 2.85704412587031

8.327560863E-12 100.823655570235

7.570509876E-13 9.16578687002139

TALBOT

a= 976.54487799301 SHERMAN

ISHIGURO

I2 a2 I3 a3

333.973650443676 3.240074875E-12 384.76189041174 50.7882399680621

210.39021615211 2.01794137E-12 202.59149390312 7.79872224898989

160.557784615463 1.534772309E-12 148.60367551805 11.9541090974179

132.537531010988 1.278976924E-12 121.34298203933 11.1945489716624

101.145066280754 9.805489753E-13 92.78877406562 8.35629221513528

77.1881319570536 7.389644452E-13 72.029525165241 5.15860679181343

63.7173990500674 6.252776075E-13 60.599816229308 3.1175828207601

40.1394461538657 3.907985047E-13 40.654679474657 0.515233320790394

30.6321304670218 2.948752353E-13 32.457548125566 1.82541765854369

25.2862665701886 2.415845302E-13 27.741957279366 2.45569070917669

19.2970329892634 1.847411113E-13 22.305663826021 3.00863083675781

1.152855589E-11 106.17307463911

1.048050535E-12 9.65209769446452

TALBOT

a= 1005.9455538903 SHERMAN

Page 26: Sarah Insani Hidro

ISHIGURO

I2 a2 I3 a3

344.028540163752 0 396.34585331252 52.3173131487675

216.724399758458 0 208.69088266243 8.03351709602893

165.391671408219 0 153.07766191591 12.3140094923039

136.527816640756 0 124.99623522589 11.53158141487

104.190224142256 0 95.582350412889 8.60787372936628

79.5120223403094 0 74.198106222949 5.31391611736046

65.6357282950465 0 62.424284921472 3.21144337357402

41.3479178520549 1.776356839E-13 41.878663217624 0.530745365569295

31.5543669767816 1.634248292E-13 33.434742184297 1.88037520751602

26.047556035564 1.456612608E-13 28.577179820702 2.52962378513815

19.8780055850774 1.207922651E-13 22.977216775201 3.09921119012348

6.075140391E-13 109.369609920618

5.522854901E-14 9.94269181096528

Page 27: Sarah Insani Hidro

(Ri - R)^4

1174462.91607661.411082177.30260260.699683.823312.87135.7411758.6943157.64462626.33336221.85375030.71818674.62375030.715185164.58

Page 28: Sarah Insani Hidro

0 50 100 150 200 250 300 350 4000

50

100

150

200

250

300

350

400

Gb. KURVA INTENSITAS DURASI FREKUENSI (IDF)

2 Tahun

5 Tahun

10 Tahun

20 Tahun

25 Tahun

menit

mm

/jam

Page 29: Sarah Insani Hidro

(t)^0.5 I*(t)^0.5 I^2(t)^0.5

2.2360679775 591.8344166 156644.601

3.16227766017 527.2645231 87913.81

3.87298334621 492.8105627 62706.7635

4.472135955 469.7392878 49339.9576

5.47722557505 439.0442986 35192.9811

6.7082039325 410.3550653 25102.2899

7.74596669241 391.1440028 19751.3928

10.9544511501 348.4696907 11085.0944

13.416407865 325.6990312 7906.72585

15.4919333848 310.4512008 6221.2989

18.973665961 290.1648494 4437.49985

92.5113194998 4596.976929 466302.415

(t)^0.5 I*(t)^0.5 I^2(t)^0.52.2360679775 671.038479 201376.9913.16227766017 597.827321 113019.0153.87298334621 558.762453 80613.694.472135955 532.603594 63429.77745.47722557505 497.800753 45242.90386.7082039325 465.272095 32270.65317.74596669241 443.490053 25391.721210.9544511501 395.10472 14250.6217

0 50 100 150 200 250 300 350 4000

50

100

150

200

250

300

350

400

Gb. KURVA INTENSITAS DURASI FREKUENSI (IDF)

2 Tahun

5 Tahun

10 Tahun

20 Tahun

25 Tahun

menit

mm

/jam

Page 30: Sarah Insani Hidro

13.416407865 369.286706 10164.618815.4919333848 351.998288 7997.8910218.973665961 328.997053 5704.69942

92.5113194998 5212.18152 599462.582

(t)^0.5 I*(t)^0.5 I^2(t)^0.52.2360679775 709.161665 224908.3093.16227766017 631.791219 126225.5213.87298334621 590.506989 90033.56664.472135955 562.861987 70841.67825.47722557505 526.08192 50529.63086.7082039325 491.705236 36041.54587.74596669241 468.685708 28358.796410.9544511501 417.551496 15915.836413.416407865 390.266704 11352.375515.4919333848 371.996093 8932.4611518.973665961 347.688107 6371.30536

92.5113194998 5508.29712 669511.026

(t)^0.5 I*(t)^0.5 I^2(t)^0.52.2360679775 746.787785 249407.4433.16227766017 665.31228 139975.1943.87298334621 621.837626 99840.87164.472135955 592.725858 78558.42185.47722557505 553.994344 56033.79466.7082039325 517.79373 39967.53087.74596669241 493.552851 31447.903910.9544511501 439.705602 17649.539313.416407865 410.973156 12588.983315.4919333848 391.733157 9905.4690418.973665961 366.135458 7065.32801

92.5113194998 5800.55185 742440.48

(t)^0.5 I*(t)^0.5 I^2(t)^0.5

Page 31: Sarah Insani Hidro

2.2360679775 769.271202 264651.2493.16227766017 685.342728 148530.4913.87298334621 640.559189 105943.1554.472135955 610.570958 83359.91985.47722557505 570.67336 59458.58536.7082039325 533.382861 42410.357.74596669241 508.412165 33370.002710.9544511501 452.943746 18728.280813.416407865 423.346257 13358.423215.4919333848 403.527003 10510.892218.973665961 377.158638 7497.16151

92.5113194998 5975.18811 787818.51