Arid
DOI10.1007/s00704-012-0680-4
Quantifying the effects of climate variability and human activities on runoff for Kaidu River Basin in arid region of northwest China
Chen, Zhongsheng; Chen, Yaning; Li, Baofu
通讯作者Chen, Yaning
来源期刊THEORETICAL AND APPLIED CLIMATOLOGY
ISSN0177-798X
EISSN1434-4483
出版年2013
卷号111期号:3-4页码:537-545
英文摘要

Much attention has recently been focused on the effects that climate variability and human activities have had on runoff. In this study, data from the Kaidu River Basin in the arid region of northwest China were analyzed to investigate changes in annual runoff during the period of 1960-2009. The nonparametric Mann-Kendall test and the Mann-Kendall-Sneyers test were used to identify trend and step change point in the annual runoff. It was found that the basin had a significant increasing trend in annual runoff. Step change point in annual runoff was identified in the basin, which occurred in the year around 1993 dividing the long-term runoff series into a natural period (1960-1993) and a human-induced period (1994-2009). Then, the hydrologic sensitivity analysis method was employed to evaluate the effects of climate variability and human activities on mean annual runoff for the human-induced period based on precipitation and potential evapotranspiration. In 1994-2009, climate variability was the main factor that increased runoff with contribution of 90.5 %, while the increasing percentage due to human activities only accounted for 9.5 %, showing that runoff in the Kaidu River Basin is more sensitive to climate variability than human activities. This study quantitatively distinguishes the effects between climate variability and human activities on runoff, which can do duty for a reference for regional water resources assessment and management.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000314037100015
WOS关键词MEAN ANNUAL EVAPOTRANSPIRATION ; INTERANNUAL VARIABILITY ; WATER-RESOURCES ; IMPACTS ; STREAMFLOW ; VEGETATION ; TRENDS ; SENSITIVITY ; CATCHMENT ; FLUXES
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
来源机构中国科学院新疆生态与地理研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180090
作者单位Chinese Acad Sci, State Key Lab Desert & Oasis Ecol, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China
推荐引用方式
GB/T 7714
Chen, Zhongsheng,Chen, Yaning,Li, Baofu. Quantifying the effects of climate variability and human activities on runoff for Kaidu River Basin in arid region of northwest China[J]. 中国科学院新疆生态与地理研究所,2013,111(3-4):537-545.
APA Chen, Zhongsheng,Chen, Yaning,&Li, Baofu.(2013).Quantifying the effects of climate variability and human activities on runoff for Kaidu River Basin in arid region of northwest China.THEORETICAL AND APPLIED CLIMATOLOGY,111(3-4),537-545.
MLA Chen, Zhongsheng,et al."Quantifying the effects of climate variability and human activities on runoff for Kaidu River Basin in arid region of northwest China".THEORETICAL AND APPLIED CLIMATOLOGY 111.3-4(2013):537-545.
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