Analysis of Soil Erosion Under Different Elevation Condition

YANG Cun-jian; LIU Ji-yuan; ZHANG Zeng-xiang; ZHAO Xiao-li; ZHOU Quan-bin

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Analysis of Soil Erosion Under Different Elevation Condition

- Analysis of Soil Erosion Under Different Elevation Condition
- Bulletin of Soiland Water Conservation Vol. 20, Issue 4, Pages: 15-18(2001)
- 作者机构：
  
  1. 中国科学院遥感应用研究所,北京,100101
  2. 中国科学院地理科学与资源研究所,北京,100101
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2001
- 稿件说明：
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YANG Cun-jian, LIU Ji-yuan, ZHANG Zeng-xiang, et al. Analysis of Soil Erosion Under Different Elevation Condition[J]. Bulletin of Soiland Water Conservation, 2001, 20(4): 15-18.
DOI：

YANG Cun-jian, LIU Ji-yuan, ZHANG Zeng-xiang, et al. Analysis of Soil Erosion Under Different Elevation Condition[J]. Bulletin of Soiland Water Conservation, 2001, 20(4): 15-18. DOI：

摘要

利用遥感和地理信息系统技术对中国不同高程带上的土壤侵蚀情况进行了分析

结果表明轻度以上水蚀的百分比和水蚀综合指数的最高值都出现在第6级高程带上

即在1000～3500m的高程带上

分别为49.2%和180。风蚀综合指数和土壤侵蚀综合指数最高值分别为599和 67

均在第6级高程带上。冻融侵蚀综合指数最高值为218

出现在第8级高程带上。在各个高程带上均有水蚀分布

在1

8级

极强和剧烈的水蚀分布比例几乎为0

而在6级高程带上

却均在69.9%以上。高程等级从 1级到5级

均以水蚀为主。在6级

以水蚀和风蚀为主

分别占51.1%和45.2 %。在7和8级

主要以冻融侵蚀为主。

Abstract

Soil erosion under different elevation was analyzed by using remote sensing and geographical information system technologies.It is shown that the maximum of percentage of water erosion above light and water soil erosion index are 49.2% and 180 respectively

it takes place in the region with the altitude between 1000 and 3500 meters. The maximum of the wind erosion index and soil erosion integrative index are 599 and 367 respectively

takes place in the region with the altitude between 1000 and 3500 meters. The maximum of frozen soil erosion index

218

in the region with altitude above 5000 meters. The water erosion dominates in the region with altitude under 1000 meters. The Water erosion and wind soil erosion dominate in the region with altitude between 1000 and 3500 meter. The frozen soil erosion dominates in the region with altitude above 3500 meters.

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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几点思考[J].中国水土保持,1998,19(2):20-23.

李维能,方贤铨.地貌学[M].北京:测绘出版社,1983.

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