Risk Assessment of Eco-environment Factors on Soil Erosion Based on GIS

ZOU Ya rong; ZHANG Zeng xiang; ZHOU Quan bin; LIU Bin

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Risk Assessment of Eco-environment Factors on Soil Erosion Based on GIS

- Risk Assessment of Eco-environment Factors on Soil Erosion Based on GIS
- Bulletin of Soiland Water Conservation Vol. 21, Issue 1, Pages: 48-50(2002)
- 作者机构：
  
  中国科学院遥感应用研究所,北京,100101
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2002
- 稿件说明：
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ZOU Ya rong, ZHANG Zeng xiang, ZHOU Quan bin, et al. Risk Assessment of Eco-environment Factors on Soil Erosion Based on GIS[J]. Bulletin of Soiland Water Conservation, 2002, 21(1): 48-50.
DOI：

ZOU Ya rong, ZHANG Zeng xiang, ZHOU Quan bin, et al. Risk Assessment of Eco-environment Factors on Soil Erosion Based on GIS[J]. Bulletin of Soiland Water Conservation, 2002, 21(1): 48-50. DOI：

摘要

以江西省为例，在合理地选择对水土流失有影响的生态环境因子基础上，利用土壤侵蚀公式计算值，按环境因子对水土流失影响的危险程度，对各环境因子进行风险打分，在ARC/INFO中运用主成分分析方法，确定各环境因子的权重，同时选出主成分，把主成分与其权重相乘得到风险图，在ARCVIEW下定出风险等级，从而对江西省的生态环境风险性作出评价。

Abstract

As a case study in Jiangxi province

the eco-environment factors which affect soil and water loss are chosen. Then each factor is given avalue by soil erosion formula

and gotten a weight by adopt PCA method. The risk degree of soil and water loss are divided

and the results are analyzed.

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references

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