Kustamar Kustamar


Physical spatial factors of watershed such as topography, soil types and land use show a prominent
contribution in the distributed water shed modeling. One of the difficulties encountered is the change of
topographical information in map form into data that can be read by model program. In the process of
analyses, physical spatial factor of water shed is divided into grid system consisting of rectangular cells
groups. In each cell, surface run off discharge ,including its direction, is determined based on the depths by
applying a one dimension unsteady flow concept whereas direction is determined by using information on
four points of the cells. Water depth of the surface run off can be calculated by using both a vertical water
movement model and land use area condition. The model has been tested using the available data of Lesti
(East Java) watershed. From calibration and verification processes, this so called Hydrological Model of
ITN 1 has been successfully applied with very good reliability.


Catchment Area Hydrology Model, surface run-off, discharge.


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Gajah Mada

University Press.Yogyakarta

Haji,T.S. dan S. Legowo. 2001.

Makalah disampaikan dalam PIT


Hattermann, F.V., F.Krysanova, Wechsung,

and M.Wattenbach. 2002.


Potsdam Institute for Climate Impact

Research, German.

Kustamar. 2007.

Disertasi. Tidak Diterbitkan.

Pitt, R., S.E.Chen, and S.Clark. 2001.

Presented at theLowDevelopment Roundtable


Singh, V.P., and D.A.Woolhiser. 2002

J. Of Hydrology Engineering,

July/August 2002, hal. 270-292.

Sokrut, N. 2001.

, Thesis,

Dept. Land andWater Resources Engineering,

Royal Institute ofTechnology, Sweden.

Suhartanto, E. 2001.

. 21 Juni

Suharto, B. 2002.

Pidato Pengukuhan GB.UB.


Wong, T.S.W., and Chen C.N. 1992.


Hydrology, 143 : 339-354.

Yeo, I.Y., S.I.Gordon, and J.M.Guld mann.

. 12 Juli 2004.


Hidrologi Dan Pengelolaan

Daerah Aliran Sungai,


SIG untuk Model Hidrologi Sebar


Multiscale and

Multicreterial Hydrological Validation of

the EcoHydrological Model SWIM

Pengembangan Model

Simulasi Penggunaan Lahan Untuk

Mengendalikan Fluktuasi Debit Sungai.

Infiltration Trough Compacted Urban Soil

and Effects on Biofiltration Design,

Mathematical Modeling of Water-shed


A Distributed coupled

model of surface and subsurface dynamics

as a tool for catchment management

Optimasi Pengelolaan

DAS di Sub DAS Cidanau Kab. Serang

Propinsi Banten Menggunakan Model

Hidrologi ANSWERS.

Modeling Hidrologi Untuk

Pengelolaan Sumberdaya Air Dan

Peramalan Hidrograf Banjir Pada Daerah

Aliran Sungai,


of flood peak increase in urbanizing basins

with constant and variable slopes,

Optimizing Patterns of Land Use to

Reduce Peak Runoff Flow and Nonpoint

Source Pollution with an Integrated

Hydrological and LandUse Model



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Direktorat Bina Teknik Sumber Daya Air, Direktorat Jenderal Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat
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