Sediment yield modelling of an agricultural watershed using MUSLE, remote sensing and GIS

被引：29
|
作者：
Pandey, Ashish [1 ]
Chowdary, V. M. [2 ]
Mal, B. C. [3 ]
机构：
[1] Indian Inst Technol Roorkee, Dept Water Resources Dev & Management, Roorkee 247667, Uttarakhand, India
[2] RRSSC Campus Indian Inst Technol Kharagpur, Kharagpur 721302, W Bengal, India
[3] Indian Inst Technol Kharagpur, Dept Agr & Food Engn, Kharagpur 721302, W Bengal, India
来源：
PADDY AND WATER ENVIRONMENT | 2009年 / 7卷 / 02期
关键词：
MUSLE; RS; GIS; Sediment yield; Watershed; SOIL LOSS EQUATION; PREDICTION;
D O I：
10.1007/s10333-009-0149-y
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A study was undertaken to estimate the sediment yield of the Karso watershed of Hazaribagh, Jharkhand State, India using modified universal soil loss equation (MUSLE), remote sensing (RS) and geographic information system (GIS) techniques. The runoff factor of MUSLE was computed using the measured values of runoff and peak rate of runoff at outlet of the watershed. The topographic factor (LS) was determined using GIS while crop management factor (C) was determined from land use/land cover data, obtained from RS and field survey. The conservation practice factor (P) was obtained from the literature. Sediment yield at the outlet of the study watershed was simulated for 345 rainfall events spread over a period of 1996-2001 and validated with the measured values. Nash-Sutcliffe simulation model efficiency of 0.8 and high value of coefficient of determination (0.83) indicated that MUSLE model estimated sediment yield satisfactorily.
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页码：105 / 113
页数：9
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