Articles | Volume 24, issue 1
Hydrol. Earth Syst. Sci., 24, 451–472, 2020
https://doi.org/10.5194/hess-24-451-2020
Hydrol. Earth Syst. Sci., 24, 451–472, 2020
https://doi.org/10.5194/hess-24-451-2020

Research article 28 Jan 2020

Research article | 28 Jan 2020

Projected increases in magnitude and socioeconomic exposure of global droughts in 1.5 and 2 °C warmer climates

Lei Gu et al.

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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) (30 Dec 2019) by Xing Yuan
AR by Lei Gu on behalf of the Authors (31 Dec 2019)  Author's response    Manuscript
ED: Publish as is (10 Jan 2020) by Xing Yuan
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Short summary
Focusing on the multifaceted nature of droughts, this study quantifies the change in global drought risks for 1.5 and 2.0 °C warming trajectories by a multi-model ensemble under three representative concentration pathways (RCP2.6, 4.5 and 8.5). Socioeconomic exposures are investigated by incorporating the dynamic shared socioeconomic pathways (SSPs) into the drought impact assessment. The results show that even the ambitious 1.5 °C warming level can cause substantial increases on the global scale.