GIS-Based Evaluations and Assessments of Two Different Soil Erosion Managements

ZHU Yuan-da; CAI Qiang-guo; ZHANG Guang-yuan; WU Shu-an

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GIS-Based Evaluations and Assessments of Two Different Soil Erosion Managements

更新时间：2024-11-07

- GIS-Based Evaluations and Assessments of Two Different Soil Erosion Managements
- Vol. 17, Issue 6, Pages: 5-8(2003)
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  CLC： S15
- Published：2003
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ZHU Yuan-da, CAI Qiang-guo, ZHANG Guang-yuan, et al. GIS-Based Evaluations and Assessments of Two Different Soil Erosion Managements[J]. 2003, 17(6): 5-8.
DOI：

ZHU Yuan-da, CAI Qiang-guo, ZHANG Guang-yuan, et al. GIS-Based Evaluations and Assessments of Two Different Soil Erosion Managements[J]. 2003, 17(6): 5-8. DOI：

摘要

在地理信息系统的支持下

对三峡库区王家桥小流域的侵蚀产沙状况进行模拟

结果表明坡耕地对全流域侵蚀产沙量贡献最大;然后针对治理坡耕地的坡地改梯田和种植植物篱这2种水保措施进行了10年的模拟评估比较

发现坡耕地改为梯田在侵蚀产沙控制方面效果较好

然而种植植物篱措施在保持土壤养分、投资回收等方面的作用却优于坡改梯的措施.总体而言

种植植物篱措施更符合科学治理水土流失战略.

Abstract

Based on Geographical Information System

the results of simulation on soil erosion in Wangjiaqiao watershed

which is located in the Three-Gorge Reservoir Region

showed that slope arid plow lands contribute mostly to the total quantity of soil erosion and sediment relative to other kinds of land using in the watershed. Then

evaluation and assessment of managements designed to control soil erosion on slope land was performed and indicate that changing into terrace dominates in sediment control

while planting hedgerow exhibits preponderance in soil nutrient conservation and investment recycle. Comprehensively

hedgerow is a better kind of soil erosion management.

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