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中文摘要：
目的为汉丹江典型小流域水土流失综合治理提供理论依据。方法在对历史资料及数据分析的基础上，以南水北调中线水源区汉丹江流域丹凤县陈家沟小流域为典型案例进行分析。结果陈家沟小流域水土流失以水力侵蚀为主，多发生在坡耕地和疏幼林区，水土流失随季节的变化呈现夏秋多、冬春少的时间变化规律，随着海拔高度的变化呈现垂向空间变化规律。结论应采取以生态修复措施、工程措施和封育措施为主的水土流失治理措施。
英文摘要：
Aim The purpose is trying to provide the theory basis for comprehensive control of soil and water loss of small watershed in Hanjiang ＆ Danjiang river basin. Methods On the basis of the analysis of the historic information and the data, the characteristics and distribution of soil and water loss were discussed on the typical small watershed-the Chenjiagou small watershed in Danfeng country where is the water source area of the Middle Line in South-North Water Transfer Project. Results The soil and water loss in Chenjiagou watershed is dominated by water erosion, the loss often occurs in slope farmland and thin stocked land , the temporal distribution of soil and water loss in Chenjiagou watershed is the loss amount more in summer and autumn,less in winter and spring , the spatial distribution is along with the changes of the elevation. Conclusion The measures for soil erosion is ecological remediation engineering measures and exclusion measures.
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