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Soil Erosion Prediction Using GIS and RUSLE: Study at Sampean Watershed

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Author(s): Arif Faisol | Indarto

Journal: Jurnal Tanah Tropika
ISSN 0852-257X

Volume: 15;
Issue: 2;
Start page: 147;
Date: 2010;
Original page

Keywords: Erosion | Geographical Information Sistem | RUSLE | Sampean watershed

ABSTRACT
Erosionis one factor that cause soil degradation in Indonesia. RUSLE (Revised Universal Soil Loss Equation) is widely usedto predict average annual rate of soil erosion. This research integrate the Revised Universal Soil Loss Equation(RUSLE) and Geographic Information System (GIS) to predict potential soil erosion losses. Study was conducted atSampean Watershed where located in Eastern part of East Java. Firstly, GIS layer was obtained from available databasethat cover East Java Province. All treatment of GIS layer was done using Mapwindows GIS. Furthermore, RUSLEmethod was used to predict rate of soil erosion from GIS layer treated previously. Results showed that up to 82%(102,921 ha) area of the watershed have tolerable soil erosion rate.
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