Change in global freshwater storage

Matthew McCartney, William Rex, Winston Yu, Stefan Uhlenbrook and Rachel von Gnechten

No 329159, IWMI Reports from International Water Management Institute

Abstract: Freshwater in both natural and man-made stores is critical for socioeconomic development. Globally, cumulative reduction in terrestrial water storage from 1971 to 2020 is estimated to be of the order of 27,079 Bm3. Although insignificant in comparison to the total volume stored, the decrease in ‘operational’ water stored (i.e., the proportion of water storage that is sustainably utilizable by people) is estimated to be of the order of 3% to 5% since 1971. In many places, both natural and man-made water storage are declining simultaneously, exacerbating water stress. Conjunctive use of different water stores is a prerequisite for water security and it is vital that natural water stores are fully integrated, alongside man-made water infrastructure, in future water resources planning and management.

Keywords: Agribusiness; Agricultural Finance; Crop Production/Industries; Public Economics (search for similar items in EconPapers)
Pages: 25p.
Date: 2022-03-23
New Economics Papers: this item is included in nep-agr and nep-env
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Persistent link: https://EconPapers.repec.org/RePEc:ags:iwmirp:329159

DOI: 10.22004/ag.econ.329159

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