摘要
王家沟流域是晋西黄土丘陵沟壑区水土保持综合治理典型示范流域。流域产流产沙是降雨和流域下垫面相互作用的结果。降雨对土壤侵蚀的影响包括降雨量影响和降雨强度影响两个方面，流域在治理措施规模不大的初级治理阶段，输沙量只是随降雨的变化而变化。坡耕地、沟头Ｖ形沟、村庄道路、红土沟坡、沟道小流域、矿区是王家沟流域主要产沙源地。控制流域产流产沙，综合治理中须实行退耕还林还草。
Wangjianou watershed is a typical exemplary watershed for comprehensive soil and water conservation located in the gullied hilly loess region in western Shanxi.Runoff and sediment yields of a watershed are the result from the interaction of rainfall and land surface.Influences of rainfall on soil erosion are mainly in two aspects:rainfall volume and intensity. Sedimenttransportation is only depended on fainfall wien a watershed is in the initial stage of harness with small scale of treatment.In Wangjiagou watershed,cultivated slope land,V shaped gully head,village road,red soil gully slope,small watershed gully and mining area are the main sediment sources.Recovery of cultivated land by forest and grass should be implemented in comprehensive harness in order to control runoff and sediment production in the watershed.
出处
《中国水土保持》
2000年第9期12-14,共3页
Soil and Water Conservation in China
关键词
王家沟流域
综合治理
产流产沙
灰色系统理论
还林还草
山西西部
Wangjiagou watershed
comprehensive harness
runoff and sediment yield
grey system theory
recovery cultivated land by forest and grass
western Shanxi
