Assessment on Sensitivity of Soil Erosion in Jilin Province

CHEN Jian-jun; ZHANG Shu-wen; LI Hong-xing; YU Li

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Assessment on Sensitivity of Soil Erosion in Jilin Province

- Assessment on Sensitivity of Soil Erosion in Jilin Province
- Bulletin of Soiland Water Conservation Vol. 24, Issue 3, Pages: 49-53(2005)
- 作者机构：
  
  1. 中国科学院东北地理与农业生态研究所,吉林,长春,130012
  2. 中国科学院研究生院,北京,100039
  3. 吉林省水土保持工作总站,吉林,长春,130051
  4. 吉林省环境监测中心,吉林,长春,130011
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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CHEN Jian-jun, ZHANG Shu-wen, LI Hong-xing, et al. Assessment on Sensitivity of Soil Erosion in Jilin Province[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 49-53.
DOI：

CHEN Jian-jun, ZHANG Shu-wen, LI Hong-xing, et al. Assessment on Sensitivity of Soil Erosion in Jilin Province[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 49-53. DOI：

摘要

以通用土壤流失方程(USLE)为理论基础

在GIS的支持下采用地图代数方法

对吉林省的土壤侵蚀敏感性进行影响因子的逐一评价和综合评价。针对吉林省土壤侵蚀的实际情况

借鉴国内外的相关研究成果

选择了降雨侵蚀力、地形起伏度、植被类型和土壤质地等4个因子。通过分析与综合评价

明确了吉林省土壤侵蚀发生的可能程度、地区范围和空间分布规律

并进一步探讨了针对不同土壤侵蚀敏感区的有效控制水土流失的对策。研究结果将为吉林省的生态环境分区管理

合理开发利用土地资源

有效控制土壤侵蚀的发生和发展提供重要的依据。

Abstract

Abstrcat Taken the Universal Soil Loss Equation(USLE) as a theory foundation

we used the map algebra method to assess one by one and evaluate synthetically on influence factors of the sensitivity of soil erosion under the support of GIS in Jilin Province. We classified influence of precipitation

soil

topography and vegetation upon factor of soil erosion into five different degrees. As a result

assessment map of each factor was finished. We also drew integrated assessment map of sensitivity of soil erosion by overlapping function with ArcGIS. Through analysis and assessment

it was made clear that possible level

area coverage and spatially distributional pattern of soil erosion sensitivity. Furthermore

the effective countermeasures controlling the soil erosion are discussed. The result will provide the important basis for the partition management of ecology environment

the reasonable use of land resources

effective control of soil erosion

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