Articles | Volume 20, issue 6
Nat. Hazards Earth Syst. Sci., 20, 1765–1782, 2020
https://doi.org/10.5194/nhess-20-1765-2020

Special issue: Global- and continental-scale risk assessment for natural...

Nat. Hazards Earth Syst. Sci., 20, 1765–1782, 2020
https://doi.org/10.5194/nhess-20-1765-2020

Brief communication 17 Jun 2020

Brief communication | 17 Jun 2020

Brief communication: The role of using precipitation or river discharge data when assessing global coastal compound flooding

Emanuele Bevacqua et al.

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Paired time series of daily discharge and storm surge D. Eilander https://doi.org/10.5281/zenodo.3258007

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Short summary
Coastal compound flooding (CF), caused by interacting storm surges and high water runoff, is typically studied based on concurring storm surge extremes with either precipitation or river discharge extremes. Globally, these two approaches show similar CF spatial patterns, especially where the CF potential is the highest. Deviations between the two approaches increase with the catchment size. The precipitation-based analysis allows for considering local-rainfall-driven CF and CF in small rivers.
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