Indexes of GIS-based Regional Erosion Evaluation

Hu Liangjun

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Indexes of GIS-based Regional Erosion Evaluation

- Indexes of GIS-based Regional Erosion Evaluation
- Bulletin of Soiland Water Conservation Vol. 17, Issue 5, Pages: 24-27(1998)
- 作者机构：
  
  中国科学院水利部水土保持研究所,陕西杨陵,712102
- 作者简介：
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- Published：1998
- 稿件说明：
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Hu Liangjun. Indexes of GIS-based Regional Erosion Evaluation[J]. Bulletin of Soiland Water Conservation, 1998, 17(5): 24-27.
DOI：

Hu Liangjun. Indexes of GIS-based Regional Erosion Evaluation[J]. Bulletin of Soiland Water Conservation, 1998, 17(5): 24-27. DOI：

摘要

系统、综合、宏观地分析了影响水土流失的各个因子

参考现有水土流失定量研究结果

初步确定了汛期降雨量、土壤团粒含量、沟壑密度、坡耕地比例、植被盖度等作为基于GIS的区域水土流失定量评价指标

用以建立区域水土流失定量评价数学模型。

Abstract

Based on an analyses of factors affecting soil erosion and the current results from various researches of soil erosion

the precipitation during flood season

content of soil aggregates

gully density

ratio of cropland to slope area

and degree of vegetation coverage were primarily selected as the indexes of GIS-based regional erosion evaluations to construct the quantitative assessment model for regional soil and water loss.

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Related Institution

Faculty of Civil Engineering,Chongqing University

Soil and Water Station of Soil Conservancy Bureau of Chongqing Municipality

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