气候变化领域集成服务门户(CCPortal): Lake volume and groundwater storage variations in Tibetan Plateau's endorheic basin

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DOI	10.1002/2017GL073773
	Lake volume and groundwater storage variations in Tibetan Plateau's endorheic basin
	Zhang, Guoqing; Yao, Tandong; Shum, C. K.; Yi, Shuang; Yang, Kun; Xie, Hongjie; Feng, Wei; Bolch, Tobias; Wang, Lei; Behrangi, Ali; Zhang, Hongbo; Wang, Weicai; Xiang, Yang; Yu, Jinyuan
发表日期	2017
ISSN	0094-8276
EISSN	1944-8007
卷号	44 期号:11
英文摘要	The Tibetan Plateau (TP), the highest and largest plateau in the world, with complex and competing cryospheric-hydrologic-geodynamic processes, is particularly sensitive to anthropogenic warming. The quantitative water mass budget in the TP is poorly known. Here we examine annual changes in lake area, level, and volume during 1970s-2015. We find that a complex pattern of lake volume changes during 1970s-2015: a slight decrease of -2.78Gtyr(-1) during 1970s-1995, followed by a rapid increase of 12.53Gtyr(-1) during 1996-2010, and then a recent deceleration (1.46Gtyr(-1)) during 2011-2015. We then estimated the recent water mass budget for the Inner TP, 2003-2009, including changes in terrestrial water storage, lake volume, glacier mass, snow water equivalent (SWE), soil moisture, and permafrost. The dominant components of water mass budget, namely, changes in lake volume (7.720.63Gtyr(-1)) and groundwater storage (5.011.59Gtyr(-1)), increased at similar rates. We find that increased net precipitation contributes the majority of water supply (74%) for the lake volume increase, followed by glacier mass loss (13%), and ground ice melt due to permafrost degradation (12%). Other term such as SWE (1%) makes a relatively small contribution. These results suggest that the hydrologic cycle in the TP has intensified remarkably during recent decades.
关键词	lake volume mass balance groundwater storage Tibetan Plateau
学科领域	Geology
语种	英语
WOS研究方向	Geosciences, Multidisciplinary
来源期刊	GEOPHYSICAL RESEARCH LETTERS
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/111905
作者单位	Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Guoqing,Yao, Tandong,Shum, C. K.,et al. Lake volume and groundwater storage variations in Tibetan Plateau's endorheic basin[J]. 中国科学院西北生态环境资源研究院,2017,44(11).
APA	Zhang, Guoqing.,Yao, Tandong.,Shum, C. K..,Yi, Shuang.,Yang, Kun.,...&Yu, Jinyuan.(2017).Lake volume and groundwater storage variations in Tibetan Plateau's endorheic basin.GEOPHYSICAL RESEARCH LETTERS,44(11).
MLA	Zhang, Guoqing,et al."Lake volume and groundwater storage variations in Tibetan Plateau's endorheic basin".GEOPHYSICAL RESEARCH LETTERS 44.11(2017).