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

被引：41
|
作者：
Zhao FangFang [1 ,2 ]
Xu ZongXue [1 ]
Zhang Lu [2 ]
Zuo DePeng [1 ]
机构：
[1] Beijing Normal Univ, Coll Water Sci, Minist Educ, Key Lab Water & Sediment Sci, Beijing 100875, Peoples R China
[2] CSIRO Land & Water, Canberra, ACT 2601, Australia
来源：
SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 2009年 / 52卷 / 11期
关键词：
climate variability; human activities; Yellow River; streamflow; response; INTERANNUAL VARIABILITY; WATER; MODEL; SENSITIVITY; FRAMEWORK; RUNOFF;
D O I：
10.1007/s11431-009-0354-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
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.
引用
收藏
页码：3249 / 3256
页数：8
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