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Modelling Groundwater Depletion at Regional and Global Scales: Present State and Future Prospects.Except for frozen water in ice and glaciers, groundwater is the world's largest distributed store of freshwater and has strategic importance to global food and water security. In this paper, the most recent advances quantifying groundwater depletion (GWD) are comprehensively reviewed. This paper critically evaluates the recently advanced modeling approaches estimating GWD at regional and global scales, and the evidence of feedbacks to the Earth system including sea-level rise associated with GWD. Finally, critical challenges and opportunities in the use of groundwater are identified for the adaption to growing food demand and uncertain climate.
Document ID
20150023427
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Wada, Yoshihide
(Columbia Univ. New York, NY, United States)
Date Acquired
December 18, 2015
Publication Date
October 20, 2015
Publication Information
Publication: Surveys in Geophysics
Publisher: Springer
Subject Category
Earth Resources And Remote Sensing
Geosciences (General)
Meteorology And Climatology
Report/Patent Number
GSFC-E-DAA-TN28518
Funding Number(s)
CONTRACT_GRANT: JSPS-2014-878
CONTRACT_GRANT: NNX14AB99A
Distribution Limits
Public
Copyright
Other
Keywords
Groundwater Depletion (GWD)
projections
water scarcity
climate variability
sustainability
Socio-economic development

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