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