干旱区生态环境知识资源中心(Arid): Evaluating the contributions of climate change and human activities to runoff in typical semi-arid area, China

Arid

DOI	10.1016/j.jhydrol.2020.125555
	Evaluating the contributions of climate change and human activities to runoff in typical semi-arid area, China
	Wu, Liyu; Zhang, Xuan; Hao, Fanghua; Wu, Yifan; Li, Chong; Xu, Yang
通讯作者	Zhang, X (corresponding author), Beijing Normal Univ, Coll Water Sci, Beijing Key Lab Urban Hydrol Cycle & Sponge City, Beijing 100875, Peoples R China.
来源期刊	JOURNAL OF HYDROLOGY
ISSN	0022-1694
EISSN	1879-2707
出版年	2020
卷号	590
英文摘要	Climate change and human activities have been widely recognized as two major factors that deeply influenced hydrological processes. It has great importance to evaluate and identify the contributions among distinct driving factors, which could help carry out better regional water resources management regulation. In this study, we used the Variable Infiltration Capacity (VIC) model to quantify the contributions for different climatic variables and human activities to runoff in the Luanhe River basin (LRB) with semi-arid climate, northern China. Our intention is to detect the multiple impacts of climate change (CC), such as precipitation change (PC) and temperature rising (TR), and human activities (HA), including land use/cover change (LUCC) and direct human activities (i.e., water withdrawal and inter-basin water diversion, DHA), on runoff variance. The natural period (1961-1979), weak impact period (1980-1997) and strong impact period (1998-2016) were divided based on the double-mass curves and Mann-Kendall's test of observed runoff data from 1961 to 2016. The results indicated that, 1) compared with climate change, human activities were the major factors decreasing the runoff, which contributed more than 60% to the runoff reduction in two impact periods; 2) the runoff variation affected by climate was ruled by the precipitation change positively and strongly, and the impacts of precipitation and temperature strengthened with time. 3) During the strong impact period, the direct human activities have presented the most contribution on runoff reduction, which may result from the water diversion and water withdrawal. The influence of LUCC on runoff was mainly due to the conversion between grassland and cropland. These results would be helpful for policymakers and researchers to better understand the responses of runoff to this changing environment conditions and provide implications for future water resources planning and management at the basin scale.
英文关键词	Climate change Human activities Land use/cover change (LUCC) Runoff VIC model Luanhe River basin (LRB)
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000599754500245
WOS关键词	WATER-RESOURCE MANAGEMENT ; LUANHE RIVER-BASIN ; SURFACE RUNOFF ; YELLOW-RIVER ; WEIHE RIVER ; LAND-COVER ; IMPACTS ; VARIABILITY ; HYDROLOGY ; PRECIPITATION
WOS类目	Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向	Engineering ; Geology ; Water Resources
来源机构	北京师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349007
作者单位	[Wu, Liyu; Zhang, Xuan; Hao, Fanghua; Wu, Yifan; Li, Chong; Xu, Yang] Beijing Normal Univ, Coll Water Sci, Beijing Key Lab Urban Hydrol Cycle & Sponge City, Beijing 100875, Peoples R China
推荐引用方式 GB/T 7714	Wu, Liyu,Zhang, Xuan,Hao, Fanghua,et al. Evaluating the contributions of climate change and human activities to runoff in typical semi-arid area, China[J]. 北京师范大学,2020,590.
APA	Wu, Liyu,Zhang, Xuan,Hao, Fanghua,Wu, Yifan,Li, Chong,&Xu, Yang.(2020).Evaluating the contributions of climate change and human activities to runoff in typical semi-arid area, China.JOURNAL OF HYDROLOGY,590.
MLA	Wu, Liyu,et al."Evaluating the contributions of climate change and human activities to runoff in typical semi-arid area, China".JOURNAL OF HYDROLOGY 590(2020).