Using GRACE satellite observations for separating meteorological variability from anthropogenic impacts on water availability

doi:10.1038/s41598-020-71837-7

	Using GRACE satellite observations for separating meteorological variability from anthropogenic impacts on water availability
	Hosseini-Moghari, Seyed-Mohammad 4; Araghinejad, Shahab 3; Ebrahimi, Kumars 6; Tang, Qiuhong 4,5; AghaKouchak, Amir 1,2
刊名	SCIENTIFIC REPORTS
	2020-09-15
卷号	10 期号:1 页码:12
ISSN号	2045-2322
DOI	10.1038/s41598-020-71837-7
通讯作者	AghaKouchak, Amir(amir.a@uci.edu)
英文摘要	Gravity Recovery and Climate Experiment (GRACE) observations provide information on Total Water Storage Anomaly (TWSA) which is a key variable for drought monitoring and assessment. The so-called Total Water Storage Deficit Index (TWSDI) based on GRACE data has been widely used for characterizing drought events. Here we show that the commonly used TWSDI approach often exhibits significant inconsistencies with meteorological conditions, primarily upon presence of a trend in observations due to anthropogenic water use. In this study, we propose a modified version of TWSDI (termed, MTWSDI) that decomposes the anthropogenic and climatic-driven components of GRACE observations. We applied our approach for drought monitoring over the Ganges-Brahmaputra in India and Markazi basins in Iran. Results show that the newly developed MTWSDI exhibits consistency with meteorological drought indices in both basins. We also propose a deficit-based method for drought monitoring and recovery assessment using GRACE observations, providing useful information about volume of deficit, and minimum and average time for drought recovery. According to the deficit thresholds, water deficits caused by anthropogenic impacts every year in the Ganges-Brahmaputra basin and Markazi basins is almost equal to an abnormally dry condition and a moderate drought condition, receptively. It indicates that unsustainable human water use have led to a form of perpetual and accelerated anthropogenic drought in these basins. Continuation of this trend would deplete the basin and cause significant socio-economic challenges.
资助项目	Strategic Priority Research Program of the Chinese Academy of Sciences[XDA20060402] ; National Natural Science Foundation of China[41790424] ; National Natural Science Foundation of China[41730645] ; National Natural Science Foundation of China[41425002] ; CAS-VPST Silk Road Science Fund 2018[131A11KYSB20170113]
WOS关键词	RIVER-BASIN ; DROUGHT CHARACTERIZATION ; AGRICULTURAL DROUGHT ; TREE MORTALITY ; STORAGE ; GROUNDWATER ; INDEX ; LAND ; SEVERITY ; PRODUCTS
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	NATURE RESEARCH
WOS记录号	WOS:000573753200038
资助机构	Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; CAS-VPST Silk Road Science Fund 2018
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/156995]
专题	中国科学院地理科学与资源研究所
通讯作者	AghaKouchak, Amir
作者单位	1.Univ Calif Irvine, Dept Civil & Environm Engn, Irvine, CA 92697 USA 2.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA 3.Stantec Consulting Co, Sacramento, CA 95816 USA 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 6.Univ Tehran, Dept Irrigat & Reclamat Engn, Karaj 1437835693, Iran
推荐引用方式 GB/T 7714	Hosseini-Moghari, Seyed-Mohammad,Araghinejad, Shahab,Ebrahimi, Kumars,et al. Using GRACE satellite observations for separating meteorological variability from anthropogenic impacts on water availability[J]. SCIENTIFIC REPORTS,2020,10(1):12.
APA	Hosseini-Moghari, Seyed-Mohammad,Araghinejad, Shahab,Ebrahimi, Kumars,Tang, Qiuhong,&AghaKouchak, Amir.(2020).Using GRACE satellite observations for separating meteorological variability from anthropogenic impacts on water availability.SCIENTIFIC REPORTS,10(1),12.
MLA	Hosseini-Moghari, Seyed-Mohammad,et al."Using GRACE satellite observations for separating meteorological variability from anthropogenic impacts on water availability".SCIENTIFIC REPORTS 10.1(2020):12.