Articles | Volume 22, issue 9
Hydrol. Earth Syst. Sci., 22, 4959–4980, 2018
https://doi.org/10.5194/hess-22-4959-2018

Special issue: Integration of Earth observations and models for global water...

Hydrol. Earth Syst. Sci., 22, 4959–4980, 2018
https://doi.org/10.5194/hess-22-4959-2018

Research article 27 Sep 2018

Research article | 27 Sep 2018

Global 5 km resolution estimates of secondary evaporation including irrigation through satellite data assimilation

Albert I. J. M. van Dijk et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (19 May 2018) by Micha Werner
AR by Albert van Dijk on behalf of the Authors (13 Jun 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (20 Jun 2018) by Micha Werner
RR by Anonymous Referee #2 (25 Jul 2018)
RR by Anonymous Referee #1 (13 Aug 2018)
ED: Publish as is (20 Aug 2018) by Micha Werner
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Short summary
Evaporation from wetlands, lakes and irrigation areas needs to be measured to understand water scarcity. So far, this has only been possible for small regions. Here, we develop a solution that can be applied at a very high resolution globally by making use of satellite observations. Our results show that 16% of global water resources evaporate before reaching the ocean, mostly from surface water. Irrigation water use is less than 1% globally but is a very large water user in several dry basins.