Articles | Volume 26, issue 14
https://doi.org/10.5194/hess-26-3785-2022
https://doi.org/10.5194/hess-26-3785-2022
Research article
 | 
19 Jul 2022
Research article |  | 19 Jul 2022

Remotely sensed reservoir water storage dynamics (1984–2015) and the influence of climate variability and management at a global scale

Jiawei Hou, Albert I. J. M. van Dijk, Hylke E. Beck, Luigi J. Renzullo, and Yoshihide Wada

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Latest update: 27 Feb 2024
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Short summary
We used satellite imagery to measure monthly reservoir water volumes for 6695 reservoirs worldwide for 1984–2015. We investigated how changing precipitation, streamflow, evaporation, and human activity affected reservoir water storage. Almost half of the reservoirs showed significant increasing or decreasing trends over the past three decades. These changes are caused, first and foremost, by changes in precipitation rather than by changes in net evaporation or dam release patterns.