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DOI	10.1088/1748-9326/ac16ff
	Effects of climate and irrigation on GRACE-based estimates of water storage changes in major US aquifers
	Scanlon, Bridget R.; Rateb, Ashraf; Pool, Donald R.; Sanford, Ward; Save, Himanshu; Sun, Alexander; Long, Di; Fuchs, Brian
通讯作者	Scanlon, BR (corresponding author), Univ Texas Austin, Jackson Sch Geosci, Bur Econ Geol, Austin, TX 78712 USA.
来源期刊	ENVIRONMENTAL RESEARCH LETTERS
ISSN	1748-9326
出版年	2021
卷号	16 期号:9
英文摘要	Understanding climate and human impacts on water storage is critical for sustainable water-resources management. Here we assessed climate and human drivers of total water storage (TWS) variability from Gravity Recovery and Climate Experiment (GRACE) satellites compared with drought severity and irrigation water use in 14 major aquifers in the United States. Results show that long-term variability in TWS tracked by GRACE satellites is dominated by interannual variability in most of the 14 major US aquifers. Low TWS trends in the humid eastern U.S. are linked to low drought intensity. Although irrigation pumpage in the humid Mississippi Embayment aquifer exceeded that in the semi-arid California Central Valley, a surprising lack of TWS depletion in the Mississippi Embayment aquifer is attributed to extensive streamflow capture. Marked storage depletion in the semi-arid southwestern Central Valley and south-central High Plains totaled similar to 90 km(3), about three times greater than the capacity of Lake Mead, the largest U.S. reservoir. Depletion in the Central Valley was driven by long-term droughts (<= 5 yr) amplified by switching from mostly surface water to groundwater irrigation. Low or slightly rising TWS trends in the northwestern (Columbia and Snake Basins) US are attributed to dampening drought impacts by mostly surface water irrigation. GRACE satellite data highlight synergies between climate and irrigation, resulting in little impact on TWS in the humid east, amplified TWS depletion in the semi-arid southwest and southcentral US, and dampened TWS deletion in the northwest and north central US Sustainable groundwater management benefits from conjunctive use of surface water and groundwater, inefficient surface water irrigation promoting groundwater recharge, efficient groundwater irrigation minimizing depletion, and increasing managed aquifer recharge. This study has important implications for sustainable water development in many regions globally.
英文关键词	GRACE satellite data US major aquifers sustainable water management drought irrigation climate extremes groundwater depletion
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000685815100001
WOS关键词	GROUNDWATER DEPLETION ; HIGH-PLAINS ; BASIN
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
来源机构	清华大学 ; United States Geological Survey
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368491
作者单位	[Scanlon, Bridget R.; Rateb, Ashraf; Sun, Alexander] Univ Texas Austin, Jackson Sch Geosci, Bur Econ Geol, Austin, TX 78712 USA; [Pool, Donald R.] US Geol Survey, Arizona Water Sci Ctr, Tucson, AZ USA; [Sanford, Ward] US Geol Survey, Reston, VA 22092 USA; [Save, Himanshu] Univ Texas Austin, Ctr Space Res, Austin, TX 78712 USA; [Long, Di] Tsinghua Univ, Dept Hydraul Engn, Beijing, Peoples R China; [Fuchs, Brian] Univ Nebraska, Natl Drought Mitigat Ctr, Lincoln, NE USA
推荐引用方式 GB/T 7714	Scanlon, Bridget R.,Rateb, Ashraf,Pool, Donald R.,et al. Effects of climate and irrigation on GRACE-based estimates of water storage changes in major US aquifers[J]. 清华大学, United States Geological Survey,2021,16(9).
APA	Scanlon, Bridget R..,Rateb, Ashraf.,Pool, Donald R..,Sanford, Ward.,Save, Himanshu.,...&Fuchs, Brian.(2021).Effects of climate and irrigation on GRACE-based estimates of water storage changes in major US aquifers.ENVIRONMENTAL RESEARCH LETTERS,16(9).
MLA	Scanlon, Bridget R.,et al."Effects of climate and irrigation on GRACE-based estimates of water storage changes in major US aquifers".ENVIRONMENTAL RESEARCH LETTERS 16.9(2021).