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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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.