Estimation of sediment yield from a small watershed using MUSLE and GIS

被引：0
|
作者：
Tripathi, M.P. [1 ]
Panda, R.K. [1 ]
Pradhan, S. [1 ]
Das, R.K. [1 ]
机构：
[1] Agricultural and Food Eng. Dept., IIT, Kharagpur 721 302, India
来源：
Journal of the Institution of Engineers (India): Civil Engineering Division | 2001年 / 82卷 / JUNE期
关键词：
Computer software - Geographic information systems - Image processing - Remote sensing - Sediments;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study digital elevation model (DEM) of Nagwan watershed, Damodar Valley Corporation (DVC), Hazaribagh, Bihar was prepared from the contour map (1:50 000) with the use of EASI-PA CE image processing and GIS software. Watershed parameters for modified universal soil loss equation (MUSLE) were extracted from DEM, soil map and satellite imagery of IRS-1B (LISS II) for estimation of sediment yield. Extracted inputs had pronounced effect on estimating sediment yield from a small agricultural watershed. The estimated values were very close to the observed values of the sediment yield. From this study it is found that the image processing and GIS technique have potential application and can be used for estimation of soil loss from a small agricultural watershed using MUSLE.
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页码：40 / 45
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