Abstract
Savu Island is a semiarid region with few rainfalls. The meager annual rainfall of about 1,000-1,500 mm that lasts for three to five months tends to cause draught. To cope with this situation, the Author tries to develop a rainwater management model located in Daieko village. This model constitutes an infrastructure that consists of check dam series which are constructed by simulating a computerized model of decision supporting system called “Rainwater Management for Agriculture Decision Support System (RMA-DSS) model” in the research location of Daieko village. Employing a simulated RMA-DSS model; the locations for check-dam series, and dug-wells can be determined, the size of potential irrigable lands can be determined based on water balance analysis of water samples taken from simulated check dams and inundated lands. Through this model the sufficiency of water supply for agricultural purposes and the land size for cultivation area can be predicted with a high degree of certainty.
Highlights
Savu Island (Figure 1), more known as a cluster of Savu and Raijua islands – so, Savu-Raijua, is one of the small outer islands in the eastern part of Indonesia with a size of 424.15 square kilometers
The development of rainwater management model for agricultural purposes in Daieko village is an effort to develop an infrastructure that consists of check-dam series which locations are determined by simulating a computerized model of Rainwater Management for Agriculture Decision Support System (RMA-DSS)
Plot and draw the location of dug-wells that has to be adjusted to the location of check-dam series, direction of groundwater flow and agricultural field – all that has to be taken into consideration when the RMA is to be constructed
Summary
Savu Island (Figure 1), more known as a cluster of Savu and Raijua islands – so, Savu-Raijua, is one of the small outer islands in the eastern part of Indonesia with a size of 424.15 square kilometers. This cluster of islands has recently become new regency by the name of Savu-Raijua regency in East NubsyatheTneanmegogfaSravau-PRariojuvairnegceenc.y in East Nusa Tenggara Province
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