Analysis on Soil Erosion Under Different Vegetation Index Condition of China

YANG Cun jian; ZHANG Zeng xiang; HAN Xiu zhen; ZHAO Xiao li; ZHOU Quan bin

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Analysis on Soil Erosion Under Different Vegetation Index Condition of China

- Analysis on Soil Erosion Under Different Vegetation Index Condition of China
- Bulletin of Soiland Water Conservation Vol. 20, Issue 1, Pages: 26-29(2001)
- 作者机构：
  
  1. 中国科学院遥感应用研究所,北京,100101
  2. 云南大学生态学与地植物学研究所,云南,昆明,650091
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2001
- 稿件说明：
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YANG Cun jian, ZHANG Zeng xiang, HAN Xiu zhen, et al. Analysis on Soil Erosion Under Different Vegetation Index Condition of China[J]. Bulletin of Soiland Water Conservation, 2001, 20(1): 26-29.
DOI：

YANG Cun jian, ZHANG Zeng xiang, HAN Xiu zhen, et al. Analysis on Soil Erosion Under Different Vegetation Index Condition of China[J]. Bulletin of Soiland Water Conservation, 2001, 20(1): 26-29. DOI：

摘要

利用地理信息系统技术对土壤侵蚀空间数据和植被指数等级数据进行了空间叠加统计分析。研究表明

在植被指数等级为 1时

主要以风蚀为主

占整个侵蚀的 80 .7%

在植被指数等级为 2级时

主要以冻融侵蚀和风蚀为主

分别占 46 .9%

42 .2 %。在植被指数等级为第 3级时

水蚀、冻融侵蚀和风蚀所占的比例比较接近

分别为 39.5 %

36 .2 %和 2 4.2 %。植被指数等级从 3到 8

都是以水蚀为主

且随着植被指数的增加

水蚀所占比重逐渐加大

而风蚀和冻融侵蚀所占的比重均逐渐降低。侵蚀强度为极强和剧烈的水蚀

主要分布在植被指数等级为 3的情况下

侵蚀强度为极强和剧烈的风蚀主要分布在植被指数等级为 1的情况下。冻融侵蚀主要分布在植被指数等级为 2级的情况下。重力侵蚀主要分布在植被指数等级为 5和6的情况下。工程侵蚀在各植被指数等级的分布差异不大.

Abstract

Abstract The relationship of thevegetation index and soil erosion was discussed by the spatial overlay statistics of the soil erosion and vegetation data.The vegetation index is gotten from NOAAAVHRR

and classified eight grades.The soil erosion data is by visual inter-preting LANDSAT TM imagery. It is show classified eight that wind soil erosionaccounts for 80.7% of all kind of erosion in vegetation grade 1

congeliturbation erosion and wind erosion dominate in vegetation grade 2 respectively acxeounting for 46.9%and 42.2%，and water erosion dominates from vegetation grade 3 to grade 8. Wester erosion above very heavy dominates in vegetation grade 3.Wind erosion with very heavy dominates in vegetation grade 1.

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references

史德明，韦启藩，梁音，等.中国南方侵蚀土壤退化指标体系研究[J].水土保持学报，2000,14(3):1-9.

李国英.对我国水土保持工作的儿点思考[J].中国水土保持，1998:20-23.

陈云明，侯喜禄，刘文兆.黄土斤陵半干旱不同类型植被水保生态效IIIL研究[J].水土保持学报，2000,14(3):57-61

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