Flood control strategy inwaibakul city, central sumba, Indonesia

Kustamar, Kustamar and Ajiza, Masrurotul (2019) Flood control strategy inwaibakul city, central sumba, Indonesia. IOP Conference Series: Earth and Environmental Science. ISSN 1755-1307

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Abstract

Waibakul City, Central Sumba Regency, East Nusa Tenggara Province, Indonesia is affected by floods every year that comes from overflow of drainage channels. The area of Waibakul is 76, 44 km^2 and dominated by agricultural land. The drainage system is incorporated into the irrigation system, thus forming a complex network of channels. The topography of the area is very flat, with slope (0 to 3)% reaching 78.56% and forming natural basins that are used as rainwater catchment reservoirs. The results of evaluation show that the majority of channel capacity is not roportional to the burden that must be discharged. The reservoir performance is not maximal because the water discharge system only relies on natural water absorption into the soil, so if there is a successive rain then the reservoir is full thus the reservoir control capacity becomes very small. The recommendation for flood control strategies are: (1). Divide the catchment area into sub-catchment areas based on the drainage service area, so the problems can be more easily solved and completed gradually. (2). Increase the capacity of multiple channels. (3). infiltration wells as a means of reservoir water drainage.(4). Control the burden of flood discharge to the office area by making a shotcut. (5). Control the flood water level in rivers that is crossing central office area by making long storage with spillway

Item Type:	Article
Uncontrolled Keywords:	Flood control strategy,central sumba
Subjects:	Engineering > Civil Engineering
Divisions:	Fakultas teknik Sipil dan Perencanaan > Teknik Sipil S1
Depositing User:	Mr Sayekti Aditya Endra
Date Deposited:	27 Mar 2019 08:27
Last Modified:	27 Aug 2019 06:52
URI:	http://eprints.itn.ac.id/id/eprint/3116

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