Articles | Volume 11, issue 1
Earth Syst. Dynam., 11, 251–266, 2020
https://doi.org/10.5194/esd-11-251-2020

Special issue: Hydro-climate dynamics, analytics and predictability

Earth Syst. Dynam., 11, 251–266, 2020
https://doi.org/10.5194/esd-11-251-2020

Research article 10 Mar 2020

Research article | 10 Mar 2020

Concurrent wet and dry hydrological extremes at the global scale

Paolo De Luca et al.

Data sets

Dai Global Palmer Drought Severity Index (PDSI) A. Dai https://doi.org/10.5065/D6QF8R93

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Short summary
We show that floods and droughts can co-occur in time across remote regions on the globe and introduce metrics that can help in quantifying concurrent wet and dry hydrological extremes. We then link wet–dry extremes to major modes of climate variability (i.e. ENSO, PDO, and AMO) and provide their spatial patterns. Such concurrent extreme hydrological events may pose risks to regional hydropower production and agricultural yields.
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