Articles | Volume 20, issue 2
Research article
 | Highlight paper
21 Feb 2020
Research article | Highlight paper |  | 21 Feb 2020

Measuring compound flood potential from river discharge and storm surge extremes at the global scale

Anaïs Couasnon, Dirk Eilander, Sanne Muis, Ted I. E. Veldkamp, Ivan D. Haigh, Thomas Wahl, Hessel C. Winsemius, and Philip J. Ward

Data sets

Paired time series of daily discharge and storm surge D. Eilander

Daily maxima of storm surge from the Global Tide and Surge Reanalysis (GTSR) dataset S. Muis, J. C. J. H. Aerts, M. Verlaan, P. J. Ward, and H. C. Winsemius

Short summary
When a high river discharge coincides with a high storm surge level, this can exarcebate flood level, depth, and duration, resulting in a so-called compound flood event. These events are not currently included in global flood models. In this research, we analyse the timing and correlation between modelled discharge and storm surge level time series in deltas and estuaries. Our results provide a first indication of regions along the global coastline with a high compound flooding potential.
Final-revised paper