Spatiotemporal Water Yield Variations and Influencing Factors in the Lhasa River Basin, Tibetan Plateau

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 城市与区域生态国家重点实验室

	Spatiotemporal Water Yield Variations and Influencing Factors in the Lhasa River Basin, Tibetan Plateau
	Lu, Huiting; Yan, Yan; Zhu, Jieyuan; Jin, Tiantian; Liu, Guohua; Wu, Gang; Stringer, Lindsay C.; Dallimer, Martin
刊名	WATER
	2020-05
卷号	12 期号:5 页码:1-12
关键词	water yield baseflow land cover climate change Tibetan Plateau
英文摘要	Understanding the spatiotemporal characteristics of water yield and its influencing factors is important for water resources management. In this study, we used the seasonal water yield model (SWYM) to assess the spatiotemporal water yield changes of the Lhasa River Basin from 1990 to 2015, and analyzed its influencing factors by focusing on precipitation, land cover, and normalized difference vegetation index (NDVI) change. We first examined the model through Morris screening sensitivity analysis and validated it with the observed flow data. Spatiotemporal variation of three indices of water yield, baseflow, quick flow, and local recharge were then assessed. Results showed that from 1990 to 2015, the baseflow, local recharge, and quick flow decreased by 67.03%, 80.21%, and 37.03%, respectively. The spatial pattern of water yield remained mostly unchanged. According to the contribution analysis, precipitation and NDVI change were the main factors affecting water yield in the Lhasa River Basin, while land cover change began to exert greater influence after 2010. A combination of climate change and human activities therefore drive water yield change, especially through vegetation change. Water resources management strategies should thus take into account the combination of rapidly changing climate and human activities.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/44469]
专题	生态环境研究中心_城市与区域生态国家重点实验室
推荐引用方式 GB/T 7714	Lu, Huiting,Yan, Yan,Zhu, Jieyuan,et al. Spatiotemporal Water Yield Variations and Influencing Factors in the Lhasa River Basin, Tibetan Plateau[J]. WATER,2020,12(5):1-12.
APA	Lu, Huiting.,Yan, Yan.,Zhu, Jieyuan.,Jin, Tiantian.,Liu, Guohua.,...&Dallimer, Martin.(2020).Spatiotemporal Water Yield Variations and Influencing Factors in the Lhasa River Basin, Tibetan Plateau.WATER,12(5),1-12.
MLA	Lu, Huiting,et al."Spatiotemporal Water Yield Variations and Influencing Factors in the Lhasa River Basin, Tibetan Plateau".WATER 12.5(2020):1-12.