15. Eli Dahi (1989), Environmental Engineering In Developing Countries, University of Denmark, Copenhagen. 16. Simon Benninga (2000), Financial

(1)

DAFTAR PUSTAKA

1. Republik Indonesia (2004), Undang-Undang No.7 tahun 2004 tentang

Sumber Daya Air

, Jakarta

2. Direktorat Jenderal Pengairan (1986), Kriteria Perencanaan Irigasi,

Departemen Pekerjaan Umum, Jakarta

3. Paul J. Ossenbruggen (1984), System Analysis For Civil Engineers, John

Wiley & Sons, Inc, USA

4. Leland T. Blank, Anthony J. Tarquin (1989), Engineering Economy,

McGraw-Hill Book Company, Inc., Singapore.

5. Ven Te Chow, David R. Maidment, Larry W. Mays (1988), Applied

Hydrology

, McGraw-Hill Book Company, Inc., Singapore.

6. Suyono Sosrodarsono, Kensaku Takeda (2006), Hidrologi Untuk

Pengairan

, Pradnya Paramita, Jakarta.

7. Chay Asdak (2007), Hidrologi dan Pengelolaan Daerah Aliran Sungai,

Gadjah Mada University Press, Yogyakarta.

8. Muljadi Pudjosumarto (1985), Evaluasi Proyek, Uraian Singkat dan Soal

Jawab

, Liberty, Yogyakarta.

9. Soewarno (1995), Hidrologi : Aplikasi Metode Statistik untuk Analisa

Data

, Nova, Bandung.

10. Adhi Suyanto, Trie M. Sunaryo, Roestam Sjarief (2001), Ekonomi Teknik

Proyek Sumber Daya Air Suatu Pengantar Praktis

, MHI, Jakarta.

11. I Nyoman Pujawan (2003), Ekonomi Teknik, Guna Widya, Surabaya.

12. E. Paul DeGarmo, William G. Sullivan, James A. Bontadelli, Elin M.

Wicks (1999), Engineering Economy Tenth Edition, Edisi Indonesia,

Simon & Schuster (Asia) Pte. Ltd, New Jersey.

13. J. Price Gittinger (1986), Economic Analysis of Agriculture Project

(Analisa Ekonomi Proyek-Proyek Pertanian)

, Universitas Indonesia (UI

Press), Jakarta.

14. FX. Marsudi Joyowiyono (1983), Ekonomi Teknik (Engineering

(2)

15. Eli Dahi (1989), Environmental Engineering In Developing Countries,

University of Denmark, Copenhagen.

16. Simon Benninga (2000), Financial Modelling, Massachussets Institute of

Technology, London.

17. PT. Transka Dharma Konsultan (2004), Studi Kelayakan Potensi

Pengembangan Sungai Waigeo Kabupaten Raja Ampat

, Departemen

Kimpraswil, Sorong

18. Nippon KOEI Co. Ltd in Association with Japan Irrigation and

Reclamation Consultants Co. Ltd, JICA (1993), The Study for Formulation

of Irrigation Development Program in The Republic of Indonesia

, Dep.

PU-Bappenas, Jakarta.

19. Freddy Rangkuti (2000), Analisis SWOT Teknik Membedah Kasus Bisnis,

Reorientasi Konsep Perencanaan Strategis Menghadapi Abad 21

,

Gramedia Pustaka Utama, Jakarta.

20. Thomas L. Saaty (1988), The Analytic Hierarchy Process, Planning,

Priority Setting, Resource Allocation

, University of Pittsburgh, USA.

21. Thomas L. Saaty, Luis G. Vargas (1994), Decision Making in Economic,

Political, Social and Technological Environments with The Analytic

(3)

L - 1

LAMPIRAN

Lampiran 1 Data Curah Hujan dan Hari Hujan Bulanan Stasiun Jefman

Elevasi

: +

3 m

JAN

FEB

M AR

APR

M AY

JUN

JUL

AUG

SEP

OCT

N OV

DEC

1 9 9 1

3 0 6 .4

1 0 4 .0

2 3 6 .1

1 5 6 .1

5 7 1 .0

1 8 7 .8

2 1 0 .4

3 4 .0

3 .0

1 6 8 .4

1 0 .6

2 8 4 .0

2 ,2 7 1 .8

1 9 9 2

1 6 .2

4 9 .4

1 4 4 .2

1 1 0 .8

2 6 5 .7

1 3 5 .8

2 0 5 .8

1 0 5 .6

1 9 6 .3

4 2 9 .6

1 2 4 .0

1 1 8 .2

1 ,9 0 1 .6

1 9 9 3

1 1 0 .8

1 1 4 .0

1 0 9 .5

2 0 6 .9

3 5 7 .9

1 4 3 .1

2 9 4 .0

4 6 .4

3 1 2 .6

8 9 .7

1 3 8 .2

1 2 2 .8

2 ,0 4 5 .9

1 9 9 4

3 4 .5

1 6 0 .7

2 3 4 .1

2 2 8 .4

3 3 7 .9

3 2 5 .8

5 8 .8

6 7 .1

0 .2

1 9 0 .8

1 9 0 .6

6 6 .6

1 ,8 9 5 .5

1 9 9 5

1 2 7 .4

9 4 .3

1 2 8 .7

3 4 2 .3

2 5 2 .0

3 9 5 .6

6 6 6 .8

6 2 9 .2

3 4 9 .8

1 2 6 .3

3 4 6 .3

1 7 4 .9

3 ,6 3 3 .6

1 9 9 6

1 6 3 .0

2 2 6 .5

1 9 8 .3

1 8 5 .7

1 3 9 .5

3 3 3 .5

2 7 3 .2

4 7 5 .8

2 0 4 .0

2 5 9 .3

1 9 2 .3

3 2 0 .9

2 ,9 7 2 .0

1 9 9 7

6 7 .5

2 2 1 .5

1 1 5 .1

1 4 9 .0

1 2 4 .4

6 4 .2

2 1 2 .6

0 .0

7 9 .0

7 7 .2

4 0 7 .8

9 8 .0

1 ,6 1 6 .3

1 9 9 8

4 2 .1

2 7 5 .2

3 2 2 .4

3 6 7 .5

3 6 6 .8

4 9 8 .4

5 5 5 .1

3 9 4 .6

4 8 4 .2

2 5 3 .7

2 0 8 .2

2 9 6 .7

4 ,0 6 4 .9

1 9 9 9

2 7 0 .8

1 8 6 .0

3 9 1 .6

2 8 1 .9

4 2 6 .6

2 9 3 .7

4 4 4 .4

2 1 3 .6

3 4 2 .8

4 3 6 .9

1 3 9 .6

2 5 4 .0

3 ,6 8 1 .9

2 0 0 0

3 0 7 .8

2 1 2 .5

2 7 0 .1

2 2 2 .2

1 5 8 .4

4 3 6 .6

3 0 0 .6

4 6 2 .3

3 0 4 .6

2 5 7 .5

2 5 3 .2

1 1 8 .3

3 ,3 0 4 .1

2 0 0 3

7 7 .6

1 0 7 .4

2 9 4 .3

2 1 9 .9

1 6 3 .2

4 3 0 .7

5 1 0 .8

3 1 3 .6

1 8 1 .6

2 3 6 .6

7 3 .9

2 2 3 .9

2 ,8 3 3 .5

2 0 0 4

2 4 5 .7

1 6 9 .6

1 9 2 .5

2 4 6 .5

1 9 6 .4

1 3 8 .9

2 2 7 .2

2 7 .2

5 2 5 .3

2 8

7 4 .1

2 5 2 .3

2 ,3 2 3 .7

2 0 0 5

1 0 1 .4

6 9 .1

1 0 1 .7

2 6 0 .2

2 9 6

5 4 9 .5

2 8 1 .1

1 9 1

1 3 5 .2

2 0 2 .2

2 3 2 .3

2 6 5 .5

2 ,6 8 5 .2

2 0 0 6

4 1 9 .8

2 5 3 .1

4 5 7 .9

2 4 3 .3

3 4 0 .3

4 9 9 .2

9 5 .2

2 1 .2

1 7 1 .2

5 .5

3 6 2 .3

1 1 0 .3

2 ,9 7 9 .3

Sumber : BM G Sor ong

DATA CURAH HUJAN BULANAN STASIUN JEFM AN

BULAN

TOTAL

TAHUN

Elevasi

: +

3 m

JAN

FEB

M AR

APR

M AY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

1 9 9 1

1 7

8 1 7

1 5

2 1

1 4

9

2 1 0

1 1 4

1 4 2

1 9 9 2

4

6 1 1

1 4

1 7

1 4

1 5

1 2

1 1

1 3 8

1 9 9 3

1 3

8 1 2

1 7

1 4

1 2

2 2

5 1 6

8 1 4

1 5

1 5 6

1 9 9 4

1 5

1 3

2 4

2 0

2 1

2 2

1 0

1 1

1 1 5

1 3

1 0

1 7 5

1 9 9 5

1 2

2 0

2 1

1 5

2 2

2 7

2 9

2 3

1 6

2 3

1 9

2 3 9

1 9 9 6

1 7

2 4

1 6

1 5

1 7

2 5

1 8

2 4

2 0

2 2

1 7

1 9

2 3 4

1 9 9 7

1 2

1 8

1 5

1 4

4 2 1

0

3

6 1 8

1 1

1 3 7

1 9 9 8

9 1 6

1 7

2 3

2 5

2 6

2 9

2 5

2 7

2 3

2 0

2 1

2 6 1

1 9 9 9

2 1

1 5

2 1

1 8

2 7

2 4

2 1

1 8

2 2

2 7

1 7

2 4

2 5 5

2 0 0 0

2 7

1 9

2 1

2 0

2 6

1 9

2 3

2 1

1 3

2 5 2

2 0 0 3

9 1 5

2 4

1 9

1 2

1 8

2 4

1 3

1 4

1 8

6 1 7

1 8 9

2 0 0 4

2 5

1 0

1 4

2 4

1 6

1 4

2 7

5 2 1

8 1 2

1 9

1 9 5

2 0 0 5

1 7

1 3

1 7

2 1

2 5

1 8

1 6

1 5

2 1

1 9

2 4

2 2 7

2 0 0 6

2 0

1 8

1 9

2 0

1 8

2 4

1 9

7 1 9

3 1 5

1 3

1 9 5

Sumber : BM G Sor ong

TAHUN

BULAN

TOTAL

DATA HARI HUJAN BULANAN STASIUN JEFM AN

(4)

L - 2

Lampiran 2 Data Curah Hujan Setengah Bulanan Stasiun Jefman

Elevasi

: +

3 m

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

1 9 9 1

1 6 6 .4 1 4 0 .0

8 5 .8

1 8 .2

5 6 .3

1 7 9 .8

7 5 .3

8 0 .8

9 6 .6

4 7 4 .4 1 3 2 .2

5 5 .6

2 0 5 .0

5 .4

2 9 .0

5 .0

2 .2

0 .8

1 5 1 .4

1 7 .0

0 .0

1 0 .6

1 2 4 .4 1 5 9 .6

2 ,2 7 1 .8

1 9 9 2

5 .8

1 0 .4

4 5 .0

4 .4

6 3 .8

8 0 .4

1 0 0 .8

1 0 .0

1 9 8 .7

6 7 .0

1 2 8 .2

7 .6

1 0 1 .6

1 0 4 .2

1 6 .4

8 9 .2

9 4 .3

1 0 2 .0

3 3 2 .4

9 7 .2

2 3 .7

1 0 0 .3

4 9 .2

6 9 .0

1 ,9 0 1 .6

1 9 9 3

4 7 .0

6 3 .8

8 2 .8

3 1 .2

3 2 .9

7 6 .6

3 7 .2

1 6 9 .7

1 2 9 .1 2 2 8 .8 1 2 1 .3

2 1 .8

1 9 6 .8

9 7 .2

1 4 .6

3 1 .8

2 5 2 .5

6 0 .1

1 9 .0

7 0 .7

7 8 .9

5 9 .3

5 0 .2

7 2 .6

2 ,0 4 5 .9

1 9 9 4

2 3 .9

1 0 .6

1 5 6 .9

3 .8

1 1 0 .0

1 2 4 .1

6 2 .2

1 6 6 .2

1 5 6 .4 1 8 1 .5 2 7 5 .8

5 0 .0

5 6 .9

1 .9

6 4 .9

2 .2

0 .0

0 .2

1 1 4 .4

7 6 .4

5 1 .2

1 3 9 .4

4 7 .2

1 9 .4

1 ,8 9 5 .5

1 9 9 5

5 5 .5

7 1 .9

2 .6

9 1 .7

1 8 .7

1 1 0 .0

1 9 9 .9

1 4 2 .4

2 2 4 .2

2 7 .8

1 7 8 .9

2 1 6 .7

3 2 4 .7

3 4 2 .1

4 0 5 .8 2 2 3 .4 1 4 9 .8

2 0 0 .0

9 1 .3

3 5 .0

1 7 6 .9 1 6 9 .4

6 9 .9

1 0 5 .0

3 ,6 3 3 .6

1 9 9 6

1 1 2 .7

5 0 .3

1 5 9 .7

6 6 .8

9 2 .7

1 0 5 .6

7 0 .8

1 1 4 .9

1 0 8 .0

3 1 .5

2 0 9 .9

1 2 3 .6

2 1 6 .7

5 6 .5

2 3 1 .1 2 4 4 .7 1 4 9 .9

5 4 .1

1 2 5 .3

1 3 4 .0

7 9 .5

1 1 2 .8 2 1 0 .6 1 1 0 .3

2 ,9 7 2 .0

1 9 9 7

2 4 .0

4 3 .5

1 2 3 .7

9 7 .8

1 3 .5

1 0 1 .6

1 3 7 .5

1 1 .5

4 0 .2

8 4 .2

1 8 .4

4 5 .8

1 7 1 .9

4 0 .7

0 .0

3 .0

7 6 .0

4 .9

7 2 .3

1 7 2 .7 2 3 5 .1

7 6 .6

2 1 .4

1 ,6 1 6 .3

1 9 9 8

2 9 .6

1 2 .5

7 7 .9

1 9 7 .3

6 1 .3

2 6 1 .1

2 0 8 .5

1 5 9 .0

1 8 2 .0 1 8 4 .8 1 8 9 .6

3 0 8 .8

2 6 5 .6

2 8 9 .5

1 8 7 .8 2 0 6 .8 3 2 0 .1

1 6 4 .1

1 3 0 .6

1 2 3 .1 1 0 8 .0 1 0 0 .2

5 2 .6

2 4 4 .1

4 ,0 6 4 .9

1 9 9 9

1 2 7 .4 1 4 3 .4 1 4 4 .3

4 1 .7

1 2 8 .5

2 6 3 .1

1 3 2 .0

1 4 9 .9

2 1 7 .3 2 0 9 .3 1 2 3 .1

1 7 0 .6

2 4 3 .4

2 0 1 .0

5 7 .9

1 5 5 .7

6 2 .2

2 8 0 .6

2 4 9 .7

1 8 7 .2

6 1 .1

7 8 .5

8 8 .7

1 6 5 .3

3 ,6 8 1 .9

2 0 0 0

9 9 .6

2 0 8 .2 1 1 1 .8

1 0 0 .7

6 6 .2

2 0 3 .9

1 5 6 .4

6 5 .8

7 9 .5

7 8 .9

2 6 3 .7

1 7 2 .9

1 3 1 .3

1 6 9 .3

4 1 2 .7

4 9 .6

1 3 3 .6

1 7 1 .0

1 6 1 .9

9 5 .6

4 6 .5

2 0 6 .7

4 0 .7

7 7 .6

3 ,3 0 4 .1

2 0 0 3

2 2 .9

5 4 .7

6 9 .8

3 7 .6

1 2 3 .9

1 7 0 .4

1 2 2 .9

9 7 .0

1 6 0 .7

2 .5

7 .3

4 2 3 .4

3 7 5 .1

1 3 5 .7

1 9 1 .9 1 2 1 .7

9 7 .6

8 4 .0

1 4 3 .5

9 3 .1

0 .0

7 3 .9

1 4 7 .5

7 6 .4

2 ,8 3 3 .5

2 0 0 4

1 2 2 .0 1 2 3 .7

6 5 .3

1 0 4 .3

5 4 .1

1 3 8 .4

1 3 3 .1

1 1 3 .4

1 0 8 .1

8 8 .3

9 2 .6

4 6 .3

8 8 .5

1 3 8 .7

6 .1

2 1 .1

2 5 3 .1

2 7 2 .2

2 .3

2 5 .7

4 1 .0

3 3 .1

1 4 2 .9 1 0 9 .4

2 ,3 2 3 .7

2 0 0 5

4 7 .3

5 4 .1

4 7 .7

2 1 .4

4 6 .4

5 5 .3

1 2 2 .3

1 3 7 .9

1 2 4 .7 1 7 1 .3 2 0 3 .9

3 4 5 .6

1 5 1 .8

1 2 9 .3

1 1 2 .5

7 8 .5

6 9 .8

6 5 .4

1 0 5 .0

9 7 .2

1 0 0 .4 1 3 1 .9 1 1 2 .4 1 5 3 .1

2 ,6 8 5 .2

2 0 0 6

1 8 2 .6 2 3 7 .2 1 4 5 .3

1 0 7 .8

2 1 2 .5

2 4 5 .4

9 8 .9

1 4 4 .4

1 7 0 .8 1 6 9 .5 2 6 3 .4

2 3 5 .8

5 1 .3

4 3 .9

4 .1

1 7 .1

1 3 1 .1

4 0 .1

2 .9

2 .6

2 2 1 .4 1 4 0 .9

4 2 .8

6 7 .5

2 ,9 7 9 .3

Sumber : BM G Sor ong

DATA CURAH HUJAN SETENGAH BULANAN STASIUN JEFM AN

BULAN

TOTAL

JAN

FEB

M AR

APR

M AY

JUL

AUG

SEP

OCT

NOV

DEC

(5)

L - 3

Lampiran 3 Data Hari Hujan Setengah Bulanan Stasiun Jefman

Elevasi

: +

3 m

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

1 9 9 1

9

8

5

3

5 1 2

9

6

8 1 3

7

7 1 2

2

6

3

1

8

2

0

1

6

8 1 4 2

1 9 9 2

2

4

2

5

6 1 0

4

9

8 1 3

1

5 1 0

4

8

6

5

6

5

6 1 3 8

1 9 9 3

5

8

5

3

5

7

7 1 0

6

8

4 1 0

1 2

1

4 1 0

6

2

9

5

6

9 1 5 6

1 9 9 4

9

6 1 2

1 1 2

1 2

6 1 4

8 1 3

1 4

8

2

8

3

0

1

7

8

7

6

4 1 7 5

1 9 9 5

6

2 1 0

7 1 3

1 1

1 0

9

6 1 1

1 1

1 3

1 4

1 5

1 1

1 2

7

9 1 3

1 0

9 2 3 9

1 9 9 6

8

9 1 2

1 2

3 1 3

5 1 0

8

9 1 2

1 3

1 2

6

8 1 6

1 3

7 1 2

1 0

9

8 1 3

6 2 3 4

1 9 9 7

6

6 1 1

7

5 1 0

1 0

5

8

6

2

2 1 2

9

0

1

2

3

7 1 1

7

4 1 3 7

1 9 9 8

2

7 1 1

5

5 1 2

1 4

9 1 4

1 1

1 2

1 4

1 5

1 4

1 3

1 2

1 4

1 3

1 1

1 2

1 1

9

7 1 4

2 6 1

1 9 9 9

9 1 2

7

8

9 1 2

1 1

7 1 2

1 5

1 1

1 3

1 4

7

7 1 1

9 1 3

1 3

1 4

9

8 1 1

1 3

2 5 5

2 0 0 0

1 3

1 4

9 1 0

7 1 4

1 1

1 0

1 1

9 1 2

1 4

9 1 0

1 5

4

9 1 4

1 2

1 1

8 1 3

5

8 2 5 2

2 0 0 3

4

5 1 0

5 1 1

1 3

1 0

9 1 0

2

3 1 5

1 3

1 1

6

7 1 0

4 1 3

5

0

6 1 1

6 1 8 9

2 0 0 4

1 2

1 3

4

6

5

9 1 2

1 2

8

9

5 1 3

1 4

2

3 1 0

1 1

1

7

6

6 1 0

9 1 9 5

2 0 0 5

7 1 0

8

5

8

9 1 1

1 0

8 1 3

1 1

1 4

8 1 0

8

7

8 1 1

1 0

9 1 0

1 4

2 2 7

2 0 0 6

9 1 1

1 0

8

7 1 2

9 1 1

1 0

8 1 1

1 3

1 0

9

2

5 1 2

7

1

2

9

6

7 1 9 5

Sumber : BM G Sor ong

JAN

M AY

DATA HARI HUJAN SETENGAH BULANAN STASIUN JEFM AN

DEC

AUG

SEP

OCT

NOV

TOTAL

BULAN

APR

JUL

(6)

L - 4

Lampiran 4 Hidrograf Satuan Sintetik Nakayasu

HIDROGRAF BANJIR RANCANGAN

M et ode Nakayasu

Dat a daer ah alir an sungai

1 Daer ah Alir an Sungai, A

=

3 4 .9 6

km

2

2 Panjang sungai ut ama, L

=

2 1 .0 2

km

3 Tg = 0 .4 + 0 .0 5 8 L (u/ L> 1 5 km)

=

J am

1 .6 2

4 Tr = (0 .5 ~ 1 ) Tg

=

J am

1 .6 2

5 Tp = Tg + 0 .8 Tr

=

2 .9 1

6 Koefisien, T

0 .3

(

α ) --> (1,5~ 3,5)

=

3 .0 0

7 T

0 .3

=

α Tg

=

4 .8 6

8 C

=

0 .6

Ro =

J am

1 .0 0

Qp = C.A.Ro

=

1 .0 2

9 3 .6 (0 .3 Tp + T

0 .3

)

1 0

Tp + T

0 ,3

=

7 .7 7

J am

1 1

Tp + T

0 ,3

+ 1 .5 T

0 .3

=

J am

1 5 .0 6

1 2

Tb = Tp + T

0 .3

+ 1 .5 T

0 ,3

+ 2 T

0 ,3

=

J am

2 4 .7 7

Wakt u naik

:

0 ≤ t

1 <

2 .9 1

Qt = Qp * (t /Tp)

2 ,4

Wakt u t ur un -1

:

2 .9 1

≤ t

2 <

7 .7 7

Qt = Qp * 0 ,3 ^ [ (t -Tp)/(T

0 ,3

) ]

Wakt u t ur un -2

:

7 .7 7

≤ t

3 <

1 5 .0 6

Qt = Qp * 0 ,3 ^ [ (t -Tp+ 0 ,5 T

0 ,3

)/(1 ,5 T

0 ,3

) ]

Wakt u t ur un -3

:

t

4 ≥

1 5 .0 6

Qt = Qp * 0 ,3 ^ [ (t -Tp+ 1 ,5 T

0 ,3

)/(2 T

0 ,3

) ]

Base Flow

Dd = L / A =

0 .6 0

Qb = 0 ,4 7 5 . A

0 ,6 4 4 4

. D

0 ,9 4 3 5

=

2 .9 0

m

3 /det

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0

10

20

30

40

50

60

70 Q

(m

3/d

et

)

waktu (jam)

Unit Hidrograf Nakayasu

(7)

L - 5

Lampiran 5 Hidrograf Satuan Snyder

HIDROGRAF BANJIR RANCANGAN

M ETODE SNYDER :

Dat a daer ah alir an sungai

1 Luas DAS

=

3 4 .9 6

km

2

2 Panjang Sungai ( L )

=

2 1 .0 2

km

3 Panjang Sungai t er dekat t t k ber at ( Lc )

=

6 .1 0

km

4 Koefisien Pengalir an

=

0 .6 0

5 Kemir ingan DAS

=

0 .0 0 3

6 Ct = (0 .7 5 ~ 3 .0 0 )

=

2 .6 0

7 Cp = (0 .9 ~ 1 .4 )

=

1 .0 0

8 Hujan sat uan, h

=

1 .0 0

mm

Per hit ungan :

t p = Ct (L . Lc)

0 .3

_{= 1 1 .1 5}

_jam

Te = t p/5 ,5

=

2 .0 3

jam

t r = t e/2 + t p

=

1 2 .1 7

jam

W = 1 0 0 0 .h.A

=

3 4 ,9 6 0

m

3

--> Te > t r

t p' = t p + 0 .2 5 (Te-t r )

=

8 .6 2

jam

Tp = t p' + 0 .5

=

9 .1 2

jam

q

p

= ( 0 ,2 7 8 Cp/Tp )

=

0 .0 3 0 5

m

3

/dt /km

2

.mm

Qp = q

p

. A

=

1 .0 7

m

3

/dt .mm

Alexeyev Fact or

λ = Qp.Tp/W

=

1 .0 0

a = 1 .3 2 λ

2

_{+ 0 .1 5 λ + 0 .045}

₌

_{1 .5 2}

Tb = 4 t p (for small wat er shed A≤ 1 0 0mi

2

)

=

4 4 .6 1

jam

Koor dinat

X = t / t p

Y = Q / Qp

Y = 1 0 ^

(-a(1 -x)^ 2 /x)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0

10

20

30

40 Q

(m

3 /de

t)

waktu (jam)

Unit Hidrograf Snyder

(8)

L - 6

Lampiran 6 Evapotranspirasi (Eto) Bulanan Stasiun Jefman

BULAN

JAN

FEB

M AR

APR

M AY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Et o mm/hr

6 .4 3

6 .1 1

5 .2 5

4 .4 9

5 .0 0

5 .2 5

4 .5 0

5 .7 1

5 .9 1

5 .9 8

6 .2 2

4 .8 3

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 9

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 7 .3

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 9

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 7 .3

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 9

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 7 .3

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 9

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 7 .3

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

J ml har i

3 1

2 8

3 1

3 0

3 1

3 0

3 1

3 0

3 1

3 0

3 1

Et o mm/bln

1 9 9 .3

1 7 1 .2

1 6 2 .8

1 3 4 .8

1 5 5 .1

1 5 7 .6

1 3 9 .5

1 7 6 .9

1 7 7 .4

1 8 5 .2

1 8 6 .5

1 4 9 .7

Sumber : Hasil Per hit ungan

1 9 9 1

1 9 9 7

1 9 9 6

1 9 9 5

1 9 9 4

1 9 9 3

1 9 9 2

1 9 9 9

1 9 9 8

2 0 0 6

2 0 0 5

2 0 0 4

2 0 0 3

Evapot r anspir asi (Et o) Bulanan St asiun Jefman

2 0 0 0

TAHUN

(9)

L - 7

Lampiran 7 Perhitungan Debit Sungai Waisai Metode FJ. Mock

Perhit ungan Debit Sungai Waisai M et ode FJ M ock

Luas DAS : 1 2 .1 2 km2

Tahun 1 9 9 1

N o. Ket erangan Unit Jan Feb M ar Apr M ay Jun Jul Aug Sep Oct N ov Dec Ket .

I Dat a M et eorologi

1 Hujan Bulanan Rat a-Rat a (R) mm 3 0 6 .4 0 1 0 4 .0 0 2 3 6 .1 0 1 5 6 .1 0 5 7 1 .0 0 1 8 7 .8 0 2 1 0 .4 0 3 4 .0 0 3 .0 0 1 6 8 .4 0 1 0 .6 0 2 8 4 .0 0 2 Har i Hujan Rat a-Rat a (N) har i 1 7 8 1 7 1 5 2 1 1 4 1 4 9 2 1 0 1 1 4

II Evapot ranspirasi Pot ensial (ETo) mm/bl 1 9 9 .3 4 1 7 1 .1 7 1 6 2 .7 9 1 3 4 .8 2 1 5 5 .0 6 1 5 7 .5 8 1 3 9 .5 2 1 7 6 .9 1 1 7 7 .4 2 1 8 5 .2 3 1 8 6 .5 3 1 4 9 .6 6

III Limit Evapot r anspirasi

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 4 .5 0 4 5 .0 0 4 .5 0 1 3 .5 0 -1 3 .5 0 1 8 .0 0 1 8 .0 0 4 0 .5 0 7 2 .0 0 3 6 .0 0 7 6 .5 0 1 8 .0 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 8 .9 7 7 7 .0 3 7 .3 3 1 8 .2 0 -2 0 .9 3 2 8 .3 6 2 5 .1 1 7 1 .6 5 1 2 7 .7 4 6 6 .6 8 1 4 2 .6 9 2 6 .9 4 6 EL = ETo - E mm 1 9 0 .3 7 9 4 .1 5 1 5 5 .4 7 1 1 6 .6 2 1 7 5 .9 9 1 2 9 .2 2 1 1 4 .4 1 1 0 5 .2 6 4 9 .6 8 1 1 8 .5 5 4 3 .8 3 1 2 2 .7 2

IV Wat er Balance

7 Wat er Sur plus, Ws = R - EL mm 1 1 6 .0 3 9 .8 5 8 0 .6 3 3 9 .4 8 3 9 5 .0 1 5 8 .5 8 9 5 .9 9 -7 1 .2 6 -4 6 .6 8 4 9 .8 5 -3 3 .2 3 1 6 1 .2 8

V Run Off / Ground Wat er St orage

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm 4 6 .4 1 3 .9 4 3 2 .2 5 1 5 .7 9 1 5 8 .0 0 2 3 .4 3 3 8 .4 0 -2 8 .5 1 -1 8 .6 7 1 9 .9 4 -1 3 .2 9 6 4 .5 1 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm 3 7 .1 3 3 .1 5 2 5 .8 0 1 2 .6 4 1 2 6 .4 0 1 8 .7 5 3 0 .7 2 -2 2 .8 0 -1 4 .9 4 1 5 .9 5 -1 0 .6 3 5 1 .6 1 1 1 K (Vn-1) mm 0 .0 0 2 2 .2 8 1 5 .2 6 2 4 .6 4 2 2 .3 6 8 9 .2 6 6 4 .8 0 5 7 .3 1 2 0 .7 1 3 .4 6 1 1 .6 5 0 .6 1 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm 3 7 .1 3 2 5 .4 3 4 1 .0 6 3 7 .2 7 1 4 8 .7 7 1 0 8 .0 1 9 5 .5 2 3 4 .5 1 5 .7 7 1 9 .4 1 1 .0 1 5 2 .2 2 1 3 K (Vn-1) lanjut an mm 3 1 .3 3 4 1 .0 8 2 6 .5 4 3 1 .4 0 2 6 .4 2 9 1 .7 0 6 6 .2 7 5 8 .1 9 2 1 .2 3 3 .7 8 1 1 .8 4 0 .7 2 1 4 Vn lanjut an mm 6 8 .4 6 4 4 .2 3 5 2 .3 4 4 4 .0 4 1 5 2 .8 3 1 1 0 .4 4 9 6 .9 8 3 5 .3 9 6 .2 9 1 9 .7 3 1 .2 0 5 2 .3 3 1 5 K (Vn-1) lanjut an mm 3 1 .4 0 4 1 .1 2 2 6 .5 6 3 1 .4 2 2 6 .4 3 9 1 .7 0 6 6 .2 7 5 8 .1 9 2 1 .2 3 3 .7 8 1 1 .8 4 0 .7 2 1 6 Vn lanjut an mm 6 8 .5 3 4 4 .2 7 5 2 .3 6 4 4 .0 5 1 5 2 .8 3 1 1 0 .4 5 9 6 .9 9 3 5 .3 9 6 .3 0 1 9 .7 3 1 .2 0 5 2 .3 3 1 7 K (Vn-1) lanjut an mm 3 1 .4 0 4 1 .1 2 2 6 .5 6 3 1 .4 2 2 6 .4 3 9 1 .7 0 6 6 .2 7 5 8 .1 9 2 1 .2 3 3 .7 8 1 1 .8 4 0 .7 2 1 8 Vn lanjut an mm 6 8 .5 3 4 4 .2 7 5 2 .3 6 4 4 .0 5 1 5 2 .8 3 1 1 0 .4 5 9 6 .9 9 3 5 .3 9 6 .3 0 1 9 .7 3 1 .2 0 5 2 .3 3 1 9 K (Vn-1) lanjut an mm 3 1 .4 0 4 1 .1 2 2 6 .5 6 3 1 .4 2 2 6 .4 3 9 1 .7 0 6 6 .2 7 5 8 .1 9 2 1 .2 3 3 .7 8 1 1 .8 4 0 .7 2 2 0 Vn lanjut an mm 6 8 .5 3 4 4 .2 7 5 2 .3 6 4 4 .0 5 1 5 2 .8 3 1 1 0 .4 5 9 6 .9 9 3 5 .3 9 6 .3 0 1 9 .7 3 1 .2 0 5 2 .3 3 2 1 Va = Vn - (Vn-1) mm 1 6 .2 0 -2 4 .2 6 8 .0 9 -8 .3 1 1 0 8 .7 8 -4 2 .3 9 -1 3 .4 6 -6 1 .6 0 -2 9 .0 9 1 3 .4 3 -1 8 .5 3 5 1 .1 3 2 2 Base Flow, BF = i - Va mm 3 0 .2 1 2 8 .2 0 2 4 .1 6 2 4 .1 0 4 9 .2 2 6 5 .8 2 5 1 .8 6 3 3 .0 9 1 0 .4 2 6 .5 1 5 .2 3 1 3 .3 8 2 3 Dir ect Run Off, DRO = Ws - i mm 6 9 .6 2 5 .9 1 4 8 .3 8 2 3 .6 9 2 3 7 .0 0 3 5 .1 5 5 7 .6 0 -4 2 .7 6 -2 8 .0 1 2 9 .9 1 -1 9 .9 4 9 6 .7 7 2 4 Run Off = BF + DRO mm 9 9 .8 3 3 4 .1 1 7 2 .5 4 4 7 .8 0 2 8 6 .2 3 1 0 0 .9 7 1 0 9 .4 5 -9 .6 6 -1 7 .5 8 3 6 .4 2 -1 4 .7 1 1 1 0 .1 5 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 8 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

Debit Bulanan Rat a-Rat a m3

/dt 0 .4 5 0 .1 7 0 .3 3 0 .2 2 1 .3 0 0 .4 7 0 .5 0 0 .0 0 0 .0 0 0 .1 6 0 .0 0 0 .5 0 0 .3 4

Sumber : Hasil Per hit ungan

Perhit ungan Debit Sungai Waisai M et ode FJ M ock Luas DAS : 1 2 .1 2 km2

Tahun 1 9 9 2

1 Hujan Bulanan Rat a-Rat a (R) mm 1 6 .2 0 4 9 .4 0 1 4 4 .2 0 1 1 0 .8 0 2 6 5 .7 0 1 3 5 .8 0 2 0 5 .8 0 1 0 5 .6 0 1 9 6 .3 0 4 2 9 .6 0 1 2 4 .0 0 1 1 8 .2 0 2 Har i Hujan Rat a-Rat a (N) har i 4 6 1 1 1 4 1 7 1 4 1 5 1 2 1 2 1 1 1 1 1 1

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 6 3 .0 0 5 4 .0 0 3 1 .5 0 1 8 .0 0 4 .5 0 1 8 .0 0 1 3 .5 0 2 7 .0 0 2 7 .0 0 3 1 .5 0 3 1 .5 0 3 1 .5 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 1 2 5 .5 9 9 5 .7 3 5 1 .2 8 2 4 .2 7 6 .9 8 2 8 .3 6 1 8 .8 4 4 7 .7 7 4 7 .9 0 5 8 .3 5 5 8 .7 6 4 7 .1 4 6 EL = ETo - E mm 7 3 .7 6 8 1 .5 5 1 1 1 .5 1 1 1 0 .5 5 1 4 8 .0 8 1 2 9 .2 2 1 2 0 .6 9 1 2 9 .1 5 1 2 9 .5 1 1 2 6 .8 8 1 2 7 .7 7 1 0 2 .5 2

7 Wat er Sur plus, Ws = R - EL mm -5 7 .5 6 -3 2 .1 5 3 2 .6 9 0 .2 5 1 1 7 .6 2 6 .5 8 8 5 .1 1 -2 3 .5 5 6 6 .7 9 3 0 2 .7 2 -3 .7 7 1 5 .6 8

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -2 3 .0 2 -1 2 .8 6 1 3 .0 7 0 .1 0 4 7 .0 5 2 .6 3 3 4 .0 5 -9 .4 2 2 6 .7 1 1 2 1 .0 9 -1 .5 1 6 .2 7 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -1 8 .4 2 -1 0 .2 9 1 0 .4 6 0 .0 8 3 7 .6 4 2 .1 1 2 7 .2 4 -7 .5 3 2 1 .3 7 9 6 .8 7 -1 .2 1 5 .0 2 1 1 K (Vn-1) mm 0 .0 0 -1 1 .0 5 -1 2 .8 0 -1 .4 1 -0 .8 0 2 2 .1 1 1 4 .5 3 2 5 .0 6 1 0 .5 1 1 9 .1 3 6 9 .6 0 4 1 .0 4 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -1 8 .4 2 -2 1 .3 4 -2 .3 4 -1 .3 3 3 6 .8 4 2 4 .2 1 4 1 .7 6 1 7 .5 2 3 1 .8 9 1 1 6 .0 0 6 8 .3 9 4 6 .0 5 1 3 K (Vn-1) lanjut an mm 2 7 .6 3 5 .5 3 -2 .8 6 4 .5 6 2 .7 9 2 4 .2 5 1 5 .8 2 2 5 .8 3 1 0 .9 8 1 9 .4 1 6 9 .7 7 4 1 .1 4 1 4 Vn lanjut an mm 9 .2 1 -4 .7 6 7 .6 0 4 .6 4 4 0 .4 2 2 6 .3 6 4 3 .0 5 1 8 .3 0 3 2 .3 5 1 1 6 .2 8 6 8 .5 6 4 6 .1 5 1 5 K (Vn-1) lanjut an mm 2 7 .6 9 5 .5 6 -2 .8 3 4 .5 8 2 .7 9 2 4 .2 6 1 5 .8 2 2 5 .8 3 1 0 .9 8 1 9 .4 1 6 9 .7 7 4 1 .1 4 1 6 Vn lanjut an mm 9 .2 7 -4 .7 2 7 .6 3 4 .6 6 4 0 .4 3 2 6 .3 7 4 3 .0 6 1 8 .3 0 3 2 .3 5 1 1 6 .2 8 6 8 .5 6 4 6 .1 5 1 7 K (Vn-1) lanjut an mm 2 7 .6 9 5 .5 6 -2 .8 3 4 .5 8 2 .7 9 2 4 .2 6 1 5 .8 2 2 5 .8 3 1 0 .9 8 1 9 .4 1 6 9 .7 7 4 1 .1 4 1 8 Vn lanjut an mm 9 .2 7 -4 .7 2 7 .6 3 4 .6 6 4 0 .4 3 2 6 .3 7 4 3 .0 6 1 8 .3 0 3 2 .3 5 1 1 6 .2 8 6 8 .5 6 4 6 .1 5 1 9 K (Vn-1) lanjut an mm 2 7 .6 9 5 .5 6 -2 .8 3 4 .5 8 2 .7 9 2 4 .2 6 1 5 .8 2 2 5 .8 3 1 0 .9 8 1 9 .4 1 6 9 .7 7 4 1 .1 4 2 0 Vn lanjut an mm 9 .2 7 -4 .7 2 7 .6 3 4 .6 6 4 0 .4 3 2 6 .3 7 4 3 .0 6 1 8 .3 0 3 2 .3 5 1 1 6 .2 8 6 8 .5 6 4 6 .1 5 2 1 Va = Vn - (Vn-1) mm -3 6 .8 8 -1 4 .0 0 1 2 .3 5 -2 .9 7 3 5 .7 8 -1 4 .0 7 1 6 .6 9 -2 4 .7 6 1 4 .0 5 8 3 .9 3 -4 7 .7 2 -2 2 .4 1 2 2 Base Flow, BF = i - Va mm 1 3 .8 6 1 .1 4 0 .7 3 3 .0 7 1 1 .2 7 1 6 .7 0 1 7 .3 6 1 5 .3 4 1 2 .6 6 3 7 .1 6 4 6 .2 1 2 8 .6 8 2 3 Dir ect Run Off, DRO = Ws - i mm -3 4 .5 3 -1 9 .2 9 1 9 .6 1 0 .1 5 7 0 .5 7 3 .9 5 5 1 .0 7 -1 4 .1 3 4 0 .0 7 1 8 1 .6 3 -2 .2 6 9 .4 1 2 4 Run Off = BF + DRO mm -2 0 .6 8 -1 8 .1 5 2 0 .3 4 3 .2 2 8 1 .8 4 2 0 .6 5 6 8 .4 2 1 .2 1 5 2 .7 3 2 1 8 .7 9 4 3 .9 5 3 8 .0 9 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 9 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

Debit Bulanan Rat a-Rat a m3_/dt _{0 .0 0} _{0 .0 0} _{0 .0 9} _{0 .0 2} _{0 .3 7} _{0 .1 0} _{0 .3 1} _{0 .0 1} _{0 .2 5} _{0 .9 9} _{0 .2 1} _{0 .1 7}_{0 .2 1} Sumber : Hasil Per hit ungan

(10)

L - 8

Perhit ungan Debit S ungai Waisai M et ode FJ M ock Luas DAS : 1 2 .1 2 km2

Tahun 1 9 9 3

No. Ket er angan Unit Jan Feb M ar Apr M ay Jun Jul Aug Sep Oct N ov Dec Ket .

1 Hujan Bulanan Rat a-Rat a (R) mm 1 1 0 .8 0 1 1 4 .0 0 1 0 9 .5 0 2 0 6 .9 0 3 5 7 .9 0 1 4 3 .1 0 2 9 4 .0 0 4 6 .4 0 3 1 2 .6 0 8 9 .7 0 1 3 8 .2 0 1 2 2 .8 0 2 Har i Hujan Rat a-Rat a (N) har i 1 3 8 1 2 1 7 1 4 1 2 2 2 5 1 6 8 1 4 1 5

II Evapot r anspir asi Pot ensial (ETo) mm/bl 1 9 9 .3 4 1 7 1 .1 7 1 6 2 .7 9 1 3 4 .8 2 1 5 5 .0 6 1 5 7 .5 8 1 3 9 .5 2 1 7 6 .9 1 1 7 7 .4 2 1 8 5 .2 3 1 8 6 .5 3 1 4 9 .6 6

III Limit Evapot ranspirasi

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 2 2 .5 0 4 5 .0 0 2 7 .0 0 4 .5 0 1 8 .0 0 2 7 .0 0 -1 8 .0 0 5 8 .5 0 9 .0 0 4 5 .0 0 1 8 .0 0 1 3 .5 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 4 4 .8 5 7 7 .0 3 4 3 .9 5 6 .0 7 2 7 .9 1 4 2 .5 5 -2 5 .1 1 1 0 3 .4 9 1 5 .9 7 8 3 .3 5 3 3 .5 7 2 0 .2 0 6 EL = ETo - E mm 1 5 4 .4 9 9 4 .1 5 1 1 8 .8 4 1 2 8 .7 5 1 2 7 .1 5 1 1 5 .0 3 1 6 4 .6 4 7 3 .4 2 1 6 1 .4 5 1 0 1 .8 8 1 5 2 .9 5 1 2 9 .4 6

7 Wat er Sur plus, Ws = R - EL mm -4 3 .6 9 1 9 .8 5 -9 .3 4 7 8 .1 5 2 3 0 .7 5 2 8 .0 7 1 2 9 .3 6 -2 7 .0 2 1 5 1 .1 5 -1 2 .1 8 -1 4 .7 5 -6 .6 6

V Run Off / Gr ound Wat er St or age

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -1 7 .4 8 7 .9 4 -3 .7 4 3 1 .2 6 9 2 .3 0 1 1 .2 3 5 1 .7 5 -1 0 .8 1 6 0 .4 6 -4 .8 7 -5 .9 0 -2 .6 6 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -1 3 .9 8 6 .3 5 -2 .9 9 2 5 .0 1 7 3 .8 4 8 .9 8 4 1 .4 0 -8 .6 5 4 8 .3 7 -3 .9 0 -4 .7 2 -2 .1 3 1 1 K (Vn-1) mm 0 .0 0 -8 .3 9 -1 .2 2 -2 .5 3 1 3 .4 9 5 2 .4 0 3 6 .8 3 4 6 .9 3 2 2 .9 7 4 2 .8 1 2 3 .3 5 1 1 .1 7 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -1 3 .9 8 -2 .0 3 -4 .2 1 2 2 .4 8 8 7 .3 3 6 1 .3 8 7 8 .2 2 3 8 .2 9 7 1 .3 4 3 8 .9 1 1 8 .6 2 9 .0 4 1 3 K (Vn-1) lanjut an mm 5 .4 3 -5 .1 3 0 .7 3 -1 .3 5 1 4 .1 9 5 2 .8 2 3 7 .0 8 4 7 .0 9 2 3 .0 6 4 2 .8 6 2 3 .3 8 1 1 .1 9 1 4 Vn lanjut an mm -8 .5 5 1 .2 2 -2 .2 6 2 3 .6 5 8 8 .0 3 6 1 .8 0 7 8 .4 8 3 8 .4 4 7 1 .4 3 3 8 .9 6 1 8 .6 6 9 .0 6 1 5 K (Vn-1) lanjut an mm 5 .4 4 -5 .1 3 0 .7 4 -1 .3 5 1 4 .1 9 5 2 .8 2 3 7 .0 8 4 7 .0 9 2 3 .0 6 4 2 .8 6 2 3 .3 8 1 1 .1 9 1 6 Vn lanjut an mm -8 .5 4 1 .2 3 -2 .2 5 2 3 .6 6 8 8 .0 3 6 1 .8 0 7 8 .4 8 3 8 .4 4 7 1 .4 3 3 8 .9 6 1 8 .6 6 9 .0 6 1 7 K (Vn-1) lanjut an mm 5 .4 4 -5 .1 3 0 .7 4 -1 .3 5 1 4 .1 9 5 2 .8 2 3 7 .0 8 4 7 .0 9 2 3 .0 6 4 2 .8 6 2 3 .3 8 1 1 .1 9 1 8 Vn lanjut an mm -8 .5 4 1 .2 3 -2 .2 5 2 3 .6 6 8 8 .0 3 6 1 .8 0 7 8 .4 8 3 8 .4 4 7 1 .4 3 3 8 .9 6 1 8 .6 6 9 .0 6 1 9 K (Vn-1) lanjut an mm 5 .4 4 -5 .1 3 0 .7 4 -1 .3 5 1 4 .1 9 5 2 .8 2 3 7 .0 8 4 7 .0 9 2 3 .0 6 4 2 .8 6 2 3 .3 8 1 1 .1 9 2 0 Vn lanjut an mm -8 .5 4 1 .2 3 -2 .2 5 2 3 .6 6 8 8 .0 3 6 1 .8 0 7 8 .4 8 3 8 .4 4 7 1 .4 3 3 8 .9 6 1 8 .6 6 9 .0 6 2 1 Va = Vn - (Vn-1) mm -1 7 .6 1 9 .7 7 -3 .4 8 2 5 .9 1 6 4 .3 8 -2 6 .2 3 1 6 .6 8 -4 0 .0 4 3 2 .9 9 -3 2 .4 7 -2 0 .3 1 -9 .5 9 2 2 Base Flow, BF = i - Va mm 0 .1 3 -1 .8 3 -0 .2 6 5 .3 5 2 7 .9 2 3 7 .4 6 3 5 .0 7 2 9 .2 3 2 7 .4 7 2 7 .6 0 1 4 .4 1 6 .9 3 2 3 Dir ect Run Off, DRO = Ws - i mm -2 6 .2 1 1 1 .9 1 -5 .6 0 4 6 .8 9 1 3 8 .4 5 1 6 .8 4 7 7 .6 2 -1 6 .2 1 9 0 .6 9 -7 .3 1 -8 .8 5 -3 .9 9 2 4 Run Off = BF + DRO mm -2 6 .0 8 1 0 .0 8 -5 .8 6 5 2 .2 4 1 6 6 .3 7 5 4 .3 0 1 1 2 .6 9 1 3 .0 2 1 1 8 .1 6 2 0 .2 9 5 .5 5 2 .9 4 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 8 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

Debit Bulanan Rat a-Rat a m3_/dt 0 .0 0 0 .0 5 0 .0 0 0 .2 4 0 .7 5 0 .2 5 0 .5 1 0 .0 6 0 .5 5 0 .0 9 0 .0 3 0 .0 1 0 .2 1

Tahun 1 9 9 4

1 Hujan Bulanan Rat a-Rat a (R) mm 3 4 .5 0 1 6 0 .7 0 2 3 4 .1 0 2 2 8 .4 0 3 3 7 .9 0 3 2 5 .8 0 5 8 .8 0 6 7 .1 0 0 .2 0 1 9 0 .8 0 1 9 0 .6 0 6 6 .6 0 2 Har i Hujan Rat a-Rat a (N) har i 1 5 1 3 2 4 2 0 2 1 2 2 1 0 1 1 1 1 5 1 3 1 0

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 1 3 .5 0 2 2 .5 0 -2 7 .0 0 -9 .0 0 -1 3 .5 0 -1 8 .0 0 3 6 .0 0 3 1 .5 0 7 6 .5 0 1 3 .5 0 2 2 .5 0 3 6 .0 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 2 6 .9 1 3 8 .5 1 -4 3 .9 5 -1 2 .1 3 -2 0 .9 3 -2 8 .3 6 5 0 .2 3 5 5 .7 3 1 3 5 .7 2 2 5 .0 1 4 1 .9 7 5 3 .8 8 6 EL = ETo - E mm 1 7 2 .4 3 1 3 2 .6 6 2 0 6 .7 5 1 4 6 .9 5 1 7 5 .9 9 1 8 5 .9 4 8 9 .2 9 1 2 1 .1 9 4 1 .6 9 1 6 0 .2 2 1 4 4 .5 6 9 5 .7 8

7 Wat er Sur plus, Ws = R - EL mm -1 3 7 .9 3 2 8 .0 4 2 7 .3 5 8 1 .4 5 1 6 1 .9 1 1 3 9 .8 6 -3 0 .4 9 -5 4 .0 9 -4 1 .4 9 3 0 .5 8 4 6 .0 4 -2 9 .1 8

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -5 5 .1 7 1 1 .2 2 1 0 .9 4 3 2 .5 8 6 4 .7 6 5 5 .9 4 -1 2 .2 0 -2 1 .6 3 -1 6 .6 0 1 2 .2 3 1 8 .4 2 -1 1 .6 7 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -4 4 .1 4 8 .9 7 8 .7 5 2 6 .0 6 5 1 .8 1 4 4 .7 5 -9 .7 6 -1 7 .3 1 -1 3 .2 8 9 .7 8 1 4 .7 3 -9 .3 4 1 1 K (Vn-1) mm 0 .0 0 -2 6 .4 8 -1 0 .5 1 -1 .0 5 1 5 .0 1 4 0 .0 9 5 0 .9 1 2 4 .6 9 4 .4 3 -5 .3 1 2 .6 9 1 0 .4 5 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -4 4 .1 4 -1 7 .5 1 -1 .7 5 2 5 .0 1 6 6 .8 2 8 4 .8 4 4 1 .1 5 7 .3 8 -8 .8 5 4 .4 8 1 7 .4 2 1 .1 1 1 3 K (Vn-1) lanjut an mm 0 .6 7 -2 6 .0 8 -1 0 .2 7 -0 .9 1 1 5 .0 9 4 0 .1 4 5 0 .9 4 2 4 .7 1 4 .4 4 -5 .3 0 2 .6 9 1 0 .4 5 1 4 Vn lanjut an mm -4 3 .4 7 -1 7 .1 1 -1 .5 1 2 5 .1 6 6 6 .9 0 8 4 .9 0 4 1 .1 8 7 .4 0 -8 .8 4 4 .4 8 1 7 .4 2 1 .1 1 1 5 K (Vn-1) lanjut an mm 0 .6 7 -2 6 .0 8 -1 0 .2 6 -0 .9 1 1 5 .0 9 4 0 .1 4 5 0 .9 4 2 4 .7 1 4 .4 4 -5 .3 0 2 .6 9 1 0 .4 5 1 6 Vn lanjut an mm -4 3 .4 7 -1 7 .1 1 -1 .5 1 2 5 .1 6 6 6 .9 0 8 4 .9 0 4 1 .1 8 7 .4 0 -8 .8 4 4 .4 8 1 7 .4 2 1 .1 1 1 7 K (Vn-1) lanjut an mm 0 .6 7 -2 6 .0 8 -1 0 .2 6 -0 .9 1 1 5 .0 9 4 0 .1 4 5 0 .9 4 2 4 .7 1 4 .4 4 -5 .3 0 2 .6 9 1 0 .4 5 1 8 Vn lanjut an mm -4 3 .4 7 -1 7 .1 1 -1 .5 1 2 5 .1 6 6 6 .9 0 8 4 .9 0 4 1 .1 8 7 .4 0 -8 .8 4 4 .4 8 1 7 .4 2 1 .1 1 1 9 K (Vn-1) lanjut an mm 0 .6 7 -2 6 .0 8 -1 0 .2 6 -0 .9 1 1 5 .0 9 4 0 .1 4 5 0 .9 4 2 4 .7 1 4 .4 4 -5 .3 0 2 .6 9 1 0 .4 5 2 0 Vn lanjut an mm -4 3 .4 7 -1 7 .1 1 -1 .5 1 2 5 .1 6 6 6 .9 0 8 4 .9 0 4 1 .1 8 7 .4 0 -8 .8 4 4 .4 8 1 7 .4 2 1 .1 1 2 1 Va = Vn - (Vn-1) mm -4 4 .5 8 2 6 .3 6 1 5 .6 0 2 6 .6 7 4 1 .7 5 1 7 .9 9 -4 3 .7 2 -3 3 .7 8 -1 6 .2 4 1 3 .3 2 1 2 .9 4 -1 6 .3 1 2 2 Base Flow, BF = i - Va mm -1 0 .5 9 -1 5 .1 4 -4 .6 6 5 .9 1 2 3 .0 2 3 7 .9 5 3 1 .5 2 1 2 .1 5 -0 .3 6 -1 .0 9 5 .4 8 4 .6 3 2 3 Dir ect Run Off, DRO = Ws - i mm -8 2 .7 6 1 6 .8 2 1 6 .4 1 4 8 .8 7 9 7 .1 4 8 3 .9 1 -1 8 .3 0 -3 2 .4 5 -2 4 .9 0 1 8 .3 5 2 7 .6 2 -1 7 .5 1 2 4 Run Off = BF + DRO mm -9 3 .3 5 1 .6 8 1 1 .7 6 5 4 .7 8 1 2 0 .1 6 1 2 1 .8 6 1 3 .2 2 -2 0 .3 1 -2 5 .2 5 1 7 .2 6 3 3 .1 0 -1 2 .8 8 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 8 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

(11)

L - 9

Tahun 1 9 9 5

1 Hujan Bulanan Rat a-Rat a (R) mm 1 2 7 .4 0 9 4 .3 0 1 2 8 .7 0 3 4 2 .3 0 2 5 2 .0 0 3 9 5 .6 0 6 6 6 .8 0 6 2 9 .2 0 3 4 9 .8 0 1 2 6 .3 0 3 4 6 .3 0 1 7 4 .9 0 2 Har i Hujan Rat a-Rat a (N) har i 1 2 1 2 2 0 2 1 1 5 2 2 2 7 2 9 2 3 1 6 2 3 1 9

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 2 7 .0 0 2 7 .0 0 -9 .0 0 -1 3 .5 0 1 3 .5 0 -1 8 .0 0 -4 0 .5 0 -4 9 .5 0 -2 2 .5 0 9 .0 0 -2 2 .5 0 -4 .5 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 5 3 .8 2 4 6 .2 2 -1 4 .6 5 -1 8 .2 0 2 0 .9 3 -2 8 .3 6 -5 6 .5 1 -8 7 .5 7 -3 9 .9 2 1 6 .6 7 -4 1 .9 7 -6 .7 3 6 EL = ETo - E mm 1 4 5 .5 2 1 2 4 .9 6 1 7 7 .4 5 1 5 3 .0 2 1 3 4 .1 3 1 8 5 .9 4 1 9 6 .0 3 2 6 4 .4 9 2 1 7 .3 3 1 6 8 .5 6 2 2 8 .5 0 1 5 6 .4 0

7 Wat er Sur plus, Ws = R - EL mm -1 8 .1 2 -3 0 .6 6 -4 8 .7 5 1 8 9 .2 8 1 1 7 .8 7 2 0 9 .6 6 4 7 0 .7 7 3 6 4 .7 1 1 3 2 .4 7 -4 2 .2 6 1 1 7 .8 0 1 8 .5 0

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -7 .2 5 -1 2 .2 6 -1 9 .5 0 7 5 .7 1 4 7 .1 5 8 3 .8 6 1 8 8 .3 1 1 4 5 .8 9 5 2 .9 9 -1 6 .9 0 4 7 .1 2 7 .4 0 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -5 .8 0 -9 .8 1 -1 5 .6 0 6 0 .5 7 3 7 .7 2 6 7 .0 9 1 5 0 .6 5 1 1 6 .7 1 4 2 .3 9 -1 3 .5 2 3 7 .7 0 5 .9 2 1 1 K (Vn-1) mm 0 .0 0 -3 .4 8 -7 .9 7 -1 4 .1 4 2 7 .8 6 3 9 .3 5 6 3 .8 6 1 2 8 .7 1 1 4 7 .2 5 1 1 3 .7 8 6 0 .1 6 5 8 .7 1 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -5 .8 0 -1 3 .2 9 -2 3 .5 7 4 6 .4 3 6 5 .5 8 1 0 6 .4 4 2 1 4 .5 1 2 4 5 .4 1 1 8 9 .6 4 1 0 0 .2 6 9 7 .8 5 6 4 .6 3 1 3 K (Vn-1) lanjut an mm 3 8 .7 8 1 9 .7 9 5 .9 9 -5 .7 7 3 2 .8 8 4 2 .3 6 6 5 .6 7 1 2 9 .7 9 1 4 7 .9 0 1 1 4 .1 7 6 0 .3 9 5 8 .8 5 1 4 Vn lanjut an mm 3 2 .9 8 9 .9 8 -9 .6 1 5 4 .8 0 7 0 .6 0 1 0 9 .4 5 2 1 6 .3 2 2 4 6 .5 0 1 9 0 .2 9 1 0 0 .6 5 9 8 .0 9 6 4 .7 7 1 5 K (Vn-1) lanjut an mm 3 8 .8 6 1 9 .8 4 6 .0 2 -5 .7 5 3 2 .8 9 4 2 .3 7 6 5 .6 7 1 2 9 .7 9 1 4 7 .9 0 1 1 4 .1 7 6 0 .3 9 5 8 .8 5 1 6 Vn lanjut an mm 3 3 .0 7 1 0 .0 3 -9 .5 8 5 4 .8 2 7 0 .6 1 1 0 9 .4 6 2 1 6 .3 2 2 4 6 .5 0 1 9 0 .2 9 1 0 0 .6 5 9 8 .0 9 6 4 .7 7 1 7 K (Vn-1) lanjut an mm 3 8 .8 6 1 9 .8 4 6 .0 2 -5 .7 5 3 2 .8 9 4 2 .3 7 6 5 .6 7 1 2 9 .7 9 1 4 7 .9 0 1 1 4 .1 7 6 0 .3 9 5 8 .8 5 1 8 Vn lanjut an mm 3 3 .0 7 1 0 .0 3 -9 .5 8 5 4 .8 2 7 0 .6 1 1 0 9 .4 6 2 1 6 .3 2 2 4 6 .5 0 1 9 0 .2 9 1 0 0 .6 5 9 8 .0 9 6 4 .7 7 1 9 K (Vn-1) lanjut an mm 3 8 .8 6 1 9 .8 4 6 .0 2 -5 .7 5 3 2 .8 9 4 2 .3 7 6 5 .6 7 1 2 9 .7 9 1 4 7 .9 0 1 1 4 .1 7 6 0 .3 9 5 8 .8 5 2 0 Vn lanjut an mm 3 3 .0 7 1 0 .0 3 -9 .5 8 5 4 .8 2 7 0 .6 1 1 0 9 .4 6 2 1 6 .3 2 2 4 6 .5 0 1 9 0 .2 9 1 0 0 .6 5 9 8 .0 9 6 4 .7 7 2 1 Va = Vn - (Vn-1) mm -3 1 .7 1 -2 3 .0 4 -1 9 .6 1 6 4 .4 0 1 5 .7 9 3 8 .8 4 1 0 6 .8 6 3 0 .1 8 -5 6 .2 1 -8 9 .6 4 -2 .5 6 -3 3 .3 1 2 2 Base Flow, BF = i - Va mm 2 4 .4 6 1 0 .7 7 0 .1 1 1 1 .3 1 3 1 .3 6 4 5 .0 2 8 1 .4 4 1 1 5 .7 1 1 0 9 .2 0 7 2 .7 4 4 9 .6 8 4 0 .7 2 2 3 Dir ect Run Off, DRO = Ws - i mm -1 0 .8 7 -1 8 .3 9 -2 9 .2 5 1 1 3 .5 7 7 0 .7 2 1 2 5 .7 9 2 8 2 .4 6 2 1 8 .8 3 7 9 .4 8 -2 5 .3 5 7 0 .6 8 1 1 .1 0 2 4 Run Off = BF + DRO mm 1 3 .5 9 -7 .6 2 -2 9 .1 4 1 2 4 .8 8 1 0 2 .0 8 1 7 0 .8 1 3 6 3 .9 1 3 3 4 .5 3 1 8 8 .6 8 4 7 .3 8 1 2 0 .3 7 5 1 .8 2 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 8 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

Tahun 1 9 9 6

1 Hujan Bulanan Rat a-Rat a (R) mm 1 6 3 .0 0 2 2 6 .5 0 1 9 8 .3 0 1 8 5 .7 0 1 3 9 .5 0 3 3 3 .5 0 2 7 3 .2 0 4 7 5 .8 0 2 0 4 .0 0 2 5 9 .3 0 1 9 2 .3 0 3 2 0 .9 0 2 Har i Hujan Rat a-Rat a (N) har i 1 7 2 4 1 6 1 5 1 7 2 5 1 8 2 4 2 0 2 2 1 7 1 9

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 4 .5 0 -2 7 .0 0 9 .0 0 1 3 .5 0 4 .5 0 -3 1 .5 0 0 .0 0 -2 7 .0 0 -9 .0 0 -1 8 .0 0 4 .5 0 -4 .5 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 8 .9 7 -4 7 .8 7 1 4 .6 5 1 8 .2 0 6 .9 8 -4 9 .6 4 0 .0 0 -4 7 .7 7 -1 5 .9 7 -3 3 .3 4 8 .3 9 -6 .7 3 6 EL = ETo - E mm 1 9 0 .3 7 2 2 5 .1 5 1 4 8 .1 4 1 1 6 .6 2 1 4 8 .0 8 2 0 7 .2 2 1 3 9 .5 2 2 2 4 .6 8 1 9 3 .3 8 2 1 8 .5 7 1 7 8 .1 3 1 5 6 .4 0

7 Wat er Sur plus, Ws = R - EL mm -2 7 .3 7 1 .3 5 5 0 .1 6 6 9 .0 8 -8 .5 8 1 2 6 .2 8 1 3 3 .6 8 2 5 1 .1 2 1 0 .6 2 4 0 .7 3 1 4 .1 7 1 6 4 .5 0

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -1 0 .9 5 0 .5 4 2 0 .0 6 2 7 .6 3 -3 .4 3 5 0 .5 1 5 3 .4 7 1 0 0 .4 5 4 .2 5 1 6 .2 9 5 .6 7 6 5 .8 0 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -8 .7 6 0 .4 3 1 6 .0 5 2 2 .1 1 -2 .7 5 4 0 .4 1 4 2 .7 8 8 0 .3 6 3 .4 0 1 3 .0 3 4 .5 3 5 2 .6 4 1 1 K (Vn-1) mm 0 .0 0 -5 .2 6 -2 .8 9 7 .8 9 1 8 .0 0 9 .1 5 2 9 .7 4 4 3 .5 1 7 4 .3 2 4 6 .6 3 3 5 .8 0 2 4 .2 0 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -8 .7 6 -4 .8 2 1 3 .1 6 3 0 .0 0 1 5 .2 5 4 9 .5 6 7 2 .5 2 1 2 3 .8 7 7 7 .7 2 5 9 .6 6 4 0 .3 3 7 6 .8 4 1 3 K (Vn-1) lanjut an mm 4 6 .1 0 2 2 .4 1 1 3 .7 0 1 7 .8 5 2 3 .9 8 1 2 .7 4 3 1 .8 9 4 4 .8 0 7 5 .0 9 4 7 .1 0 3 6 .0 8 2 4 .3 7 1 4 Vn lanjut an mm 3 7 .3 5 2 2 .8 4 2 9 .7 5 3 9 .9 6 2 1 .2 3 5 3 .1 5 7 4 .6 7 1 2 5 .1 6 7 8 .4 9 6 0 .1 3 4 0 .6 1 7 7 .0 1 1 5 K (Vn-1) lanjut an mm 4 6 .2 0 2 2 .4 7 1 3 .7 4 1 7 .8 7 2 3 .9 9 1 2 .7 5 3 1 .8 9 4 4 .8 0 7 5 .1 0 4 7 .1 0 3 6 .0 8 2 4 .3 7 1 6 Vn lanjut an mm 3 7 .4 5 2 2 .9 0 2 9 .7 9 3 9 .9 8 2 1 .2 4 5 3 .1 6 7 4 .6 7 1 2 5 .1 6 7 8 .4 9 6 0 .1 3 4 0 .6 1 7 7 .0 1 1 7 K (Vn-1) lanjut an mm 4 6 .2 0 2 2 .4 7 1 3 .7 4 1 7 .8 7 2 3 .9 9 1 2 .7 5 3 1 .8 9 4 4 .8 0 7 5 .1 0 4 7 .1 0 3 6 .0 8 2 4 .3 7 1 8 Vn lanjut an mm 3 7 .4 5 2 2 .9 0 2 9 .7 9 3 9 .9 8 2 1 .2 4 5 3 .1 6 7 4 .6 7 1 2 5 .1 6 7 8 .4 9 6 0 .1 3 4 0 .6 1 7 7 .0 1 1 9 K (Vn-1) lanjut an mm 4 6 .2 0 2 2 .4 7 1 3 .7 4 1 7 .8 7 2 3 .9 9 1 2 .7 5 3 1 .8 9 4 4 .8 0 7 5 .1 0 4 7 .1 0 3 6 .0 8 2 4 .3 7 2 0 Vn lanjut an mm 3 7 .4 5 2 2 .9 0 2 9 .7 9 3 9 .9 8 2 1 .2 4 5 3 .1 6 7 4 .6 7 1 2 5 .1 6 7 8 .4 9 6 0 .1 3 4 0 .6 1 7 7 .0 1 2 1 Va = Vn - (Vn-1) mm -3 9 .5 6 -1 4 .5 5 6 .8 9 1 0 .1 9 -1 8 .7 4 3 1 .9 1 2 1 .5 1 5 0 .4 9 -4 6 .6 7 -1 8 .3 6 -1 9 .5 2 3 6 .4 0 2 2 Base Flow, BF = i - Va mm 2 8 .6 1 1 5 .0 9 1 3 .1 7 1 7 .4 4 1 5 .3 1 1 8 .6 0 3 1 .9 6 4 9 .9 6 5 0 .9 1 3 4 .6 6 2 5 .1 9 2 9 .4 0 2 3 Dir ect Run Off, DRO = Ws - i mm -1 6 .4 2 0 .8 1 3 0 .0 9 4 1 .4 5 -5 .1 5 7 5 .7 7 8 0 .2 1 1 5 0 .6 7 6 .3 7 2 4 .4 4 8 .5 0 9 8 .7 0 2 4 Run Off = BF + DRO mm 1 2 .1 9 1 5 .8 9 4 3 .2 7 5 8 .8 9 1 0 .1 6 9 4 .3 7 1 1 2 .1 6 2 0 0 .6 3 5 7 .2 8 5 9 .0 9 3 3 .6 9 1 2 8 .1 1 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 9 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

(12)

L - 10

Tahun 1 9 9 7

1 Hujan Bulanan Rat a-Rat a (R) mm 6 7 .5 0 2 2 1 .5 0 1 1 5 .1 0 1 4 9 .0 0 1 2 4 .4 0 6 4 .2 0 2 1 2 .6 0 0 .0 0 7 9 .0 0 7 7 .2 0 4 0 7 .8 0 9 8 .0 0 2 Har i Hujan Rat a-Rat a (N) har i 1 2 1 8 1 5 1 5 1 4 4 2 1 - 3 6 1 8 1 1

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 2 7 .0 0 0 .0 0 1 3 .5 0 1 3 .5 0 1 8 .0 0 6 3 .0 0 -1 3 .5 0 8 1 .0 0 6 7 .5 0 5 4 .0 0 0 .0 0 3 1 .5 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 5 3 .8 2 0 .0 0 2 1 .9 8 1 8 .2 0 2 7 .9 1 9 9 .2 8 -1 8 .8 4 1 4 3 .3 0 1 1 9 .7 6 1 0 0 .0 2 0 .0 0 4 7 .1 4 6 EL = ETo - E mm 1 4 5 .5 2 1 7 1 .1 7 1 4 0 .8 2 1 1 6 .6 2 1 2 7 .1 5 5 8 .3 0 1 5 8 .3 6 3 3 .6 1 5 7 .6 6 8 5 .2 1 1 8 6 .5 3 1 0 2 .5 2

7 Wat er Sur plus, Ws = R - EL mm -7 8 .0 2 5 0 .3 3 -2 5 .7 2 3 2 .3 8 -2 .7 5 5 .9 0 5 4 .2 4 -3 3 .6 1 2 1 .3 4 -8 .0 1 2 2 1 .2 7 -4 .5 2

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -3 1 .2 1 2 0 .1 3 -1 0 .2 9 1 2 .9 5 -1 .1 0 2 .3 6 2 1 .7 0 -1 3 .4 5 8 .5 4 -3 .2 0 8 8 .5 1 -1 .8 1 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -2 4 .9 7 1 6 .1 0 -8 .2 3 1 0 .3 6 -0 .8 8 1 .8 9 1 7 .3 6 -1 0 .7 6 6 .8 3 -2 .5 6 7 0 .8 1 -1 .4 5 1 1 K (Vn-1) mm 0 .0 0 -1 4 .9 8 0 .6 7 -4 .5 3 3 .5 0 1 .5 7 2 .0 7 1 1 .6 6 0 .5 4 4 .4 2 1 .1 2 4 3 .1 5 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -2 4 .9 7 1 .1 2 -7 .5 5 5 .8 3 2 .6 2 3 .4 6 1 9 .4 3 0 .9 0 7 .3 7 1 .8 6 7 1 .9 2 4 1 .7 1 1 3 K (Vn-1) lanjut an mm 2 5 .0 2 0 .0 4 9 .6 8 0 .8 7 6 .7 4 3 .5 2 3 .2 4 1 2 .3 6 0 .9 6 4 .6 7 1 .2 7 4 3 .2 5 1 4 Vn lanjut an mm 0 .0 6 1 6 .1 4 1 .4 5 1 1 .2 4 5 .8 6 5 .4 0 2 0 .6 0 1 .6 0 7 .7 9 2 .1 1 7 2 .0 8 4 1 .8 0 1 5 K (Vn-1) lanjut an mm 2 5 .0 8 0 .0 7 9 .7 0 0 .8 8 6 .7 5 3 .5 2 3 .2 4 1 2 .3 6 0 .9 6 4 .6 8 1 .2 7 4 3 .2 5 1 6 Vn lanjut an mm 0 .1 1 1 6 .1 7 1 .4 7 1 1 .2 5 5 .8 7 5 .4 1 2 0 .6 0 1 .6 1 7 .7 9 2 .1 1 7 2 .0 8 4 1 .8 0 1 7 K (Vn-1) lanjut an mm 2 5 .0 8 0 .0 7 9 .7 0 0 .8 8 6 .7 5 3 .5 2 3 .2 4 1 2 .3 6 0 .9 6 4 .6 8 1 .2 7 4 3 .2 5 1 8 Vn lanjut an mm 0 .1 1 1 6 .1 7 1 .4 7 1 1 .2 5 5 .8 7 5 .4 1 2 0 .6 0 1 .6 1 7 .7 9 2 .1 1 7 2 .0 8 4 1 .8 0 1 9 K (Vn-1) lanjut an mm 2 5 .0 8 0 .0 7 9 .7 0 0 .8 8 6 .7 5 3 .5 2 3 .2 4 1 2 .3 6 0 .9 6 4 .6 8 1 .2 7 4 3 .2 5 2 0 Vn lanjut an mm 0 .1 1 1 6 .1 7 1 .4 7 1 1 .2 5 5 .8 7 5 .4 1 2 0 .6 0 1 .6 1 7 .7 9 2 .1 1 7 2 .0 8 4 1 .8 0 2 1 Va = Vn - (Vn-1) mm -4 1 .6 9 1 6 .0 6 -1 4 .7 0 9 .7 7 -5 .3 8 -0 .4 6 1 5 .1 9 -1 9 .0 0 6 .1 9 -5 .6 8 6 9 .9 6 -3 0 .2 8 2 2 Base Flow, BF = i - Va mm 1 0 .4 8 4 .0 7 4 .4 1 3 .1 8 4 .2 8 2 .8 2 6 .5 0 5 .5 5 2 .3 5 2 .4 8 1 8 .5 5 2 8 .4 7 2 3 Dir ect Run Off, DRO = Ws - i mm -4 6 .8 1 3 0 .2 0 -1 5 .4 3 1 9 .4 3 -1 .6 5 3 .5 4 3 2 .5 5 -2 0 .1 7 1 2 .8 0 -4 .8 0 1 3 2 .7 6 -2 .7 1 2 4 Run Off = BF + DRO mm -3 6 .3 3 3 4 .2 7 -1 1 .0 2 2 2 .6 1 2 .6 3 6 .3 6 3 9 .0 5 -1 4 .6 2 1 5 .1 5 -2 .3 3 1 5 1 .3 1 2 5 .7 6 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 8 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

Debit Bulanan Rat a-Rat a m3_/dt _{0 .0 0} _{0 .1 7} _{0 .0 0} _{0 .1 1} _{0 .0 1} _{0 .0 3} _{0 .1 8} _{0 .0 0} _{0 .0 7} _{0 .0 0} _{0 .7 1} _{0 .1 2}_{0 .1 2} Sumber : Hasil Per hit ungan

Tahun 1 9 9 8

1 Hujan Bulanan Rat a-Rat a (R) mm 4 2 .1 0 2 7 5 .2 0 3 2 2 .4 0 3 6 7 .5 0 3 6 6 .8 0 4 9 8 .4 0 5 5 5 .1 0 3 9 4 .6 0 4 8 4 .2 0 2 5 3 .7 0 2 0 8 .2 0 2 9 6 .7 0 2 Har i Hujan Rat a-Rat a (N) har i 9 1 6 1 7 2 3 2 5 2 6 2 9 2 5 2 7 2 3 2 0 2 1

3 Exposed Sur face (M ) % 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 9 0 .0 0 4 E/ETo = (M /2 0 ) x (1 8 - N) % 4 0 .5 0 9 .0 0 4 .5 0 -2 2 .5 0 -3 1 .5 0 -3 6 .0 0 -4 9 .5 0 -3 1 .5 0 -4 0 .5 0 -2 2 .5 0 -9 .0 0 -1 3 .5 0 5 E = ETo (M /2 0 ) x (1 8 - N) mm 8 0 .7 3 1 5 .4 1 7 .3 3 -3 0 .3 3 -4 8 .8 4 -5 6 .7 3 -6 9 .0 6 -5 5 .7 3 -7 1 .8 5 -4 1 .6 8 -1 6 .7 9 -2 0 .2 0 6 EL = ETo - E mm 1 1 8 .6 1 1 5 5 .7 7 1 5 5 .4 7 1 6 5 .1 5 2 0 3 .9 0 2 1 4 .3 1 2 0 8 .5 8 2 3 2 .6 4 2 4 9 .2 7 2 2 6 .9 1 2 0 3 .3 1 1 6 9 .8 7

7 Wat er Sur plus, Ws = R - EL mm -7 6 .5 1 1 1 9 .4 3 1 6 6 .9 3 2 0 2 .3 5 1 6 2 .9 0 2 8 4 .0 9 3 4 6 .5 2 1 6 1 .9 6 2 3 4 .9 3 2 6 .7 9 4 .8 9 1 2 6 .8 3

8 fakt or r eduksi infilt r asi, f 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 0 .4 0 9 Infilt r asi (i) = f * Ws mm -3 0 .6 0 4 7 .7 7 6 6 .7 7 8 0 .9 4 6 5 .1 6 1 1 3 .6 4 1 3 8 .6 1 6 4 .7 8 9 3 .9 7 1 0 .7 2 1 .9 5 5 0 .7 3 1 0 0 ,5 (1 + K) i ---> K = 0 ,6 mm -2 4 .4 8 3 8 .2 2 5 3 .4 2 6 4 .7 5 5 2 .1 3 9 0 .9 1 1 1 0 .8 9 5 1 .8 3 7 5 .1 8 8 .5 7 1 .5 6 4 0 .5 9 1 1 K (Vn-1) mm 0 .0 0 -1 4 .6 9 1 4 .1 2 4 0 .5 2 6 3 .1 6 6 9 .1 7 9 6 .0 5 1 2 4 .1 6 1 0 5 .5 9 1 0 8 .4 6 7 0 .2 2 4 3 .0 7 1 2 Vn = 0 ,5 (1 + K) i + K (Vn-1) mm -2 4 .4 8 2 3 .5 3 6 7 .5 4 1 0 5 .2 7 1 1 5 .2 9 1 6 0 .0 8 2 0 6 .9 4 1 7 5 .9 9 1 8 0 .7 7 1 1 7 .0 4 7 1 .7 9 8 3 .6 6 1 3 K (Vn-1) lanjut an mm 5 0 .1 9 1 5 .4 3 3 2 .1 9 5 1 .3 6 6 9 .6 7 7 3 .0 8 9 8 .3 9 1 2 5 .5 7 1 0 6 .4 4 1 0 8 .9 7 7 0 .5 3 4 3 .2 5 1 4 Vn lanjut an mm 2 5 .7 1 5 3 .6 5 8 5 .6 1 1 1 6 .1 2 1 2 1 .8 0 1 6 3 .9 9 2 0 9 .2 8 1 7 7 .3 9 1 8 1 .6 1 1 1 7 .5 4 7 2 .0 9 8 3 .8 4 1 5 K (Vn-1) lanjut an mm 5 0 .3 0 1 5 .4 9 3 2 .2 3 5 1 .3 9 6 9 .6 8 7 3 .0 9 9 8 .4 0 1 2 5 .5 7 1 0 6 .4 4 1 0 8 .9 7 7 0 .5 3 4 3 .2 5 1 6 Vn lanjut an mm 2 5 .8 2 5 3 .7 1 8 5 .6 4 1 1 6 .1 4 1 2 1 .8 1 1 6 4 .0 0 2 0 9 .2 8 1 7 7 .4 0 1 8 1 .6 2 1 1 7 .5 4 7 2 .0 9 8 3 .8 4 1 7 K (Vn-1) lanjut an mm 5 0 .3 0 1 5 .4 9 3 2 .2 3 5 1 .3 9 6 9 .6 8 7 3 .0 9 9 8 .4 0 1 2 5 .5 7 1 0 6 .4 4 1 0 8 .9 7 7 0 .5 3 4 3 .2 5 1 8 Vn lanjut an mm 2 5 .8 2 5 3 .7 1 8 5 .6 4 1 1 6 .1 4 1 2 1 .8 1 1 6 4 .0 0 2 0 9 .2 8 1 7 7 .4 0 1 8 1 .6 2 1 1 7 .5 4 7 2 .0 9 8 3 .8 4 1 9 K (Vn-1) lanjut an mm 5 0 .3 0 1 5 .4 9 3 2 .2 3 5 1 .3 9 6 9 .6 8 7 3 .0 9 9 8 .4 0 1 2 5 .5 7 1 0 6 .4 4 1 0 8 .9 7 7 0 .5 3 4 3 .2 5 2 0 Vn lanjut an mm 2 5 .8 2 5 3 .7 1 8 5 .6 4 1 1 6 .1 4 1 2 1 .8 1 1 6 4 .0 0 2 0 9 .2 8 1 7 7 .4 0 1 8 1 .6 2 1 1 7 .5 4 7 2 .0 9 8 3 .8 4 2 1 Va = Vn - (Vn-1) mm -5 8 .0 2 2 7 .8 9 3 1 .9 3 3 0 .4 9 5 .6 7 4 2 .1 9 4 5 .2 9 -3 1 .8 9 4 .2 2 -6 4 .0 7 -4 5 .4 5 1 1 .7 5 2 2 Base Flow, BF = i - Va mm 2 7 .4 2 1 9 .8 8 3 4 .8 4 5 0 .4 5 5 9 .4 9 7 1 .4 5 9 3 .3 2 9 6 .6 7 8 9 .7 5 7 4 .7 9 4 7 .4 1 3 8 .9 8 2 3 Dir ect Run Off, DRO = Ws - i mm -4 5 .9 1 7 1 .6 6 1 0 0 .1 6 1 2 1 .4 1 9 7 .7 4 1 7 0 .4 6 2 0 7 .9 1 9 7 .1 8 1 4 0 .9 6 1 6 .0 8 2 .9 3 7 6 .1 0 2 4 Run Off = BF + DRO mm -1 8 .4 9 9 1 .5 4 1 3 5 .0 0 1 7 1 .8 6 1 5 7 .2 3 2 4 1 .9 1 3 0 1 .2 3 1 9 3 .8 5 2 3 0 .7 1 9 0 .8 7 5 0 .3 4 1 1 5 .0 8 2 5 Jumlah Har i dalam 1 bulan har i 3 1 2 8 3 1 3 0 3 1 3 0 3 1 3 1 3 0 3 1 3 0 3 1

Debit Bulanan Rat a-Rat a m3

/dt 0 .0 0 0 .4 6 0 .6 1 0 .8 0 0 .7 1 1 .1 3 1 .3 6 0 .8 8 1 .0 8 0 .4 1 0 .2 4 0 .5 2 0 .6 8