Streamflow response to climate variability and human activities in the upper catchment of the Yellow River Basin

作     者：ZHAO FangFang XU ZongXue ZHANG Lu ZUO DePeng 

作者机构：Key Laboratory of Water and Sediment SciencesMinistry of EducationCollege of Water SciencesBeijing Normal UniversityBeijing 100875China CSIRO Land and WaterCanberra ACT 2601Australia 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2009年第52卷第11期

页      面：3249-3256页

核心收录：

学科分类：07[理学] 070601[理学-气象学] 08[工学] 081501[工学-水文学及水资源] 0815[工学-水利工程] 0706[理学-大气科学] 

基　　金：Supported by the International Food Policy Research Institute ("IFPRI")--Yellow River "Challenge Program" (CP) Project and the CSIRO-MOE PhD Research Fel-lowship Program 

主　　题：climate variability human activities Yellow River streamflow response 

摘      要：Both sensitivity-based method and simulation method are used to analyze the streamflow response to climate variability and human activities in the upper catchment of the Yellow River Basin (UYRB) in this study. The separation regime of effects from climate variability and human activities is investigated. Results show that the changes of streamflow are more sensitive to precipitation than potential evapotranspiration (PET). Effect of climate variability on streamflow estimated using the sensitivity-based method is weak in the upper catchment of Jimai station, and strong in the upper catchment of Lanzhou station, where the climate effects accounted for about 50% of total streamflow changes. Effects of human activities on streamflow accounted for about 40% in the UYRB, with weaker effects in the upper catchment of Tangnaihai station than those in the upper catchment of Lanzhou station. Both climate variability and human activities are main factors to affect the changes of streamflow in the UYRB.