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Supit, Cindy Jeane and Mangangka, Isri R. and ., Sukarno and Supit, Audy (2014) WATER RESOURCES MANAGEMENT BY MODELING OF DAM OPERATION. In: The International Conference on Environmentally Friendly Civil Engineering Construction and Materials (EFCECM 2014), Manado - Indonesia, 13-14 November, Manado.

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The Arc-Geographic Information System interface of the SWAT2009 version was used to develop the SWAT model of Kase River Catchment. SWAT has a reservoir module, in which the reservoir is treated as an independent unit to be added in the corresponding sub basin. Therefore, it is appropriate for simulating the influence of the hydrological cycle in a region with reservoirs, such as our study basin. The catchment was divided into 23 sub-basins according to hydrologic stations, the position of dams, the water diversion point, and the discharge zones. The sub-basin threshold area was 500 ha. Kanjimbashi was selected as the outlet of the whole basin. The hydrologic response unit (HRU), which is a unique combination of soil and land use overlay in the sub- basins , is the minimum calculative smallest unit of hydrologic process. With a threshold value of 5% for land use and soil types, the total number of HRUs was 356. By scenario analysis for controlled the minimum outflow rate from Hokuzan dam and Kase River dam, the water resources quantity improved and satisfied the demand water of 5 m3/s for preventing eutrophication at the creek network downstream area and also 18.6 m3/s for agriculture purpose after the implementation of water management operation of dams.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Depositing User: Mr. Benhard W. Tampangela, ST
Date Deposited: 07 Sep 2017 05:44
Last Modified: 09 Apr 2018 07:59
URI: http://repo.unsrat.ac.id/id/eprint/1702

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