Estimation of runoff for Red hills watershed using SCS method and GIS

G  B  Geena and P N  Ballukraya

doi:10.17485/ijst/2011/v4i8.22

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Estimation of runoff for Red hills watershed using SCS method and GIS

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2011/v4i8.22

Year: 2011, Volume: 4, Issue: 8, Pages: 899-902

Original Article

Estimation of runoff for Red hills watershed using SCS method and GIS

G. B. Geena and P.N. Ballukraya^*

Department of Applied Geology, University of Madras, Maraimalai Campus, Guindy, Chennai – 600 025, India
[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Soil Conservation Service (SCS) model was used for the estimation of runoff from an agricultural watershed namely the Red hills watershed, which is about 83.59 km² and part of Korattaliyar river basin catchment, situated in Thiruvallur district of Tamil Nadu state in India. The results show that a good correlation exists between rainfall and runoff and a minimum of about 66 mm rainfall per month is required to generate runoff in the area.
Keywords: Runoff, Red hills, Soil Conservation Service, watershed