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Research Article Open access CC BY 4.0

Surface Runoff Estimation Using SCS-CN Method in Siddheswari River Basin, Eastern India

Hemanta Sutradhar

Journal of Geography, Environment and Earth Science International · pp. 1–9 · Published 24 Sep 2018

10.9734/JGEESI/2018/44076

Abstract

The Soil Conservation Service-Curve Number (SCS-CN) method is one of indirect methods of runoff estimation developed by National Resources Conservation Service (NRSC), United States Department of Agriculture (USDA). The main objectives of the present study are to estimate surface runoff, runoff coefficient of the Siddheswari river basin using SCS-CN method and to predict hydrological scenario of the basin based on the surface runoff conditions with the aid of Remote Sensing (RS) and Geographical Information System (GIS).The result shows that the very high annual runoff found in the middle and lower catchment and high runoff concentrated in southern portion of the catchment mainly because of lack of vegetation and uncovered surface but the low runoff concentrated in the middle-northern tip of the basin due dense vegetation cover.

Service-Curve Number (SCS-CN) Remote Sensing (RS) Geographical Information System (GIS) runoff

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