INTEGRATION OF MODIFIED UNIVERSAL SOIL LOSS EQUATION (MUSLE) INTO A GIS FRAMEWORK TO ASSESS SOIL EROSION RISK

被引：81
|
作者：
Zhang, Y. [1 ]
Degroote, J. [1 ]
Wolter, C. [2 ]
Sugumaran, R. [1 ]
机构：
[1] Univ No Iowa, Dept Geog, Cedar Falls, IA 50614 USA
[2] Iowa DNR IGS, Iowa City, IA 52242 USA
来源：
LAND DEGRADATION & DEVELOPMENT | 2009年 / 20卷 / 01期
关键词：
MUSLE; soil erosion; GIS; watershed; CURVE NUMBER; RUNOFF;
D O I：
10.1002/ldr.893
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Soil erosion is an important economic and environmental concern throughout the world. In order to assess soil erosion risk and conserve water and soil resources, soil erosion modeling at the watershed scale is urgently needed. This study integrated the Modified Universal Soil Loss Equation (MUSLE) in a Geographic Information System (GIS) framework in the form of a tool called ArcMUSLE, an extension of ArcGIS (R) software, to assist soil and water conservation agencies in soil erosion risk assessment and prioritization of critical areas for soil erosion control practices. With widely available spatial data, this tool can be applied to determine curve numbers, to estimate runoff, peak flow, and soil loss for a rainfall event within a watershed. An application example for a watershed in Black Hawk County, Iowa, USA, is presented. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：84 / 91
页数：8
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