中国水土保持科学2012,Vol.10Issue(2):15-20,6.
青海湖流域土壤侵蚀敏感性评价
Sensitivity evaluation of soil erosion in Qinghai Lake Basin
摘要
Abstract
Qinghai Lake Basin was chosen as study area, in accordance with the Interim Regulations of Ecological Function Zoning, rainfall erosivity, the degree of topographic relief, soil texture, vegetation types were selected as indicators of sensitivity evaluation of soil erosion. A map of single-factor sensitivity evaluation was generated with supports of ArcGIS, moreover, a comprehensive evaluation of soil erosion sensitivity was conducted based on ArcGIS spatial overlay analysis. The results show moderately sensitive area of soil erosion within the study area accounted for 62. 02% ; followed by highly sensitive region 20. 82% ; mildly sensitive areas and extreme sensitive area 16. 92% and 0. 24% respectively. The relatively high sensitive area of soil erosion mainly distributed in the northwest of Tianjun County and east of Haiyan County.关键词
土壤侵蚀/敏感性评价/青海湖流域Key words
soil erosion/ sensitivity evaluation/ Qinghai Lake Basin引用本文复制引用
赵明月,赵文武,安艺明,靳婷..青海湖流域土壤侵蚀敏感性评价[J].中国水土保持科学,2012,10(2):15-20,6.基金项目
国家科技支撑计划课题“青海湖流域生态和环境治理技术集成与试验示范”(2007BAC30B01) (2007BAC30B01)
长江学者和创新团队发展计划“土壤水文与土壤侵蚀”(IRTI108) (IRTI108)
国家自然科学基金“土地利用格局与土壤流失关系的尺度效应分析与尺度转换”(41171069) (41171069)
地表过程与资源生态国家重点实验室(北京师范大学)自由探索课题“土地利用格局的水土流失效应”(2008-ZY-08) (北京师范大学)