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THE IMPACT OF HIGH-LEVEL CONTROLLING OF SOIL AND WATER LOSS ON WATERSHED RUNOFF IN THE LOEES PLATEAU
Authors
徐学选
王文龙
穆兴民
Publication date
1 January 1998
Publisher
Abstract
本文用小流域平行对比观测法,分析了黄土高原沟壑区典型小流域水土保持对流域地表径流量及暴雨产流过程的影响,表明:(1)在黄土高原沟壑区,水土流失综合治理减少小流域产洪次数,降低了流域地表径流模数和径流系数,尤其以少雨年最显著;(2)使小流域地表径流模数的年际变率增大;(3)在洪水产理措施区土壤水分含量降低,根据生物气候、土壤及区域拦蓄水量特征,推测黄土高原沟壑区,以造林为主的水土保持措施拦蓄径流的作用难以使地表径流转化为地下径流或增加地下水
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018