神木六道沟流域的土壤侵蚀类型强度及其分异规律  

Types and Intensity of Soil Erosion and Its Temporal and Spacial Distribution in Liudaogou Watershed Shenmu County

作　　者：王斌科[1] 唐克丽[1] 张科利[1] 张平仓[1] 

机构地区：[1]中国科学院水利部西北水土保持研究所,陕西杨陵712100

出　　处：《水土保持研究》1993年第2期57-66,145-166,共32页Research of Soil and Water Conservation

摘　　要：应用野外实地考察和航片判读资料分析研究了位于水蚀风蚀过渡带的六道沟小流域的土壤侵蚀类型、强度及其时空分异特点,为开展试验示范和综合整治提供了环境本底数据,表明流域内风力吹蚀、坡面切沟侵蚀比较强烈,沟谷发育尚处于活跃阶段,平均侵蚀模数10890t/km^2·a。因此,在现有基础上加强坡面治理,提高生物措施质量有重要意义。Using data of field investigation and—photo interpretaion, soil erosion types and intensity, and characteristics of their temporal and spacial distribution in the transitional zone of Liudaogou watershed are analysed, which provides environmental background data for developing experiment and demonstration research and comprehensive harnessing. The resuits show that windblow erosion and sloping gully erosion is severe, velley development is in active stage in the Liudaogou watershed. And mean soil erosion modulus is 10 890t/km^2·a. Therefor. on basis of present control backgroud, it is very important to strengthen sloping control and improve bio—measure quality.

关 键 词：土壤侵蚀类型和强度 时空分布特征 六道沟流域 

分 类 号：S157[农业科学—土壤学]