Arid
DOI10.3390/w8090414
Contributions of Climate Variability and Human Activities to Runoff Changes in the Upper Catchment of the Red River Basin, China
Li, Yungang1,2; He, Daming1,2; Li, Xue2; Zhang, Yueyuan2; Yang, Liyan2
通讯作者He, Daming
来源期刊WATER
ISSN2073-4441
出版年2016
卷号8期号:9
英文摘要

Quantifying the effects of climate variability and human activities on runoff changes will contribute to regional water resource planning and management. This study aims to separate the effects of climate variability and human activities on runoff changes in the upper catchment of the Red River Basin in China. The Mann-Kendall test and Pettitt’s test methods were applied to identify the trends and change points of the hydro-meteorological variables. The hydrological sensitivity, climate elasticity and hydrological simulation methods were adopted to estimate the contributions of climate variability and human activities to runoff changes. Results showed that annual runoff significantly decreased by 1.57 mm/year during the period of 1961-2012. A change point in annual runoff coefficient occurred in 2002. Accordingly, the annual runoff series were divided into the baseline period (1961-2002) and the impacted period (2003-2012). Mean annual runoff of the impacted period decreased by 29.13% compared with the baseline period. Similar estimates of the contributions of climate variability and human activities were obtained by the three different methods. Climate variability was estimated to be responsible for 69%-71% of the reduction in annual runoff, and human activities accounted for 29%-31%. Climate variability was the main driving factor for runoff decrease in the catchment.


英文关键词climate variability human activities runoff change hydrological sensitivity climate elasticity hydrological simulation Red River
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000385482400054
WOS关键词QUANTITATIVE ASSESSMENT ; NORTHWEST CHINA ; ARID REGION ; STREAMFLOW ; IMPACT ; MODEL ; WATER ; VEGETATION ; UNCERTAINTY ; ATTRIBUTION
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196777
作者单位1.Yunnan Univ, Yunnan Key Lab Int Rivers & Transboundary Ecosecu, Kunming 650091, Peoples R China;
2.Yunnan Univ, Asian Int Rivers Ctr, Kunming 650091, Peoples R China
推荐引用方式
GB/T 7714
Li, Yungang,He, Daming,Li, Xue,et al. Contributions of Climate Variability and Human Activities to Runoff Changes in the Upper Catchment of the Red River Basin, China[J],2016,8(9).
APA Li, Yungang,He, Daming,Li, Xue,Zhang, Yueyuan,&Yang, Liyan.(2016).Contributions of Climate Variability and Human Activities to Runoff Changes in the Upper Catchment of the Red River Basin, China.WATER,8(9).
MLA Li, Yungang,et al."Contributions of Climate Variability and Human Activities to Runoff Changes in the Upper Catchment of the Red River Basin, China".WATER 8.9(2016).
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