Articles | Volume 24, issue 4
https://doi.org/10.5194/nhess-24-1381-2024
https://doi.org/10.5194/nhess-24-1381-2024
Research article
 | 
24 Apr 2024
Research article |  | 24 Apr 2024

The potential of global coastal flood risk reduction using various DRR measures

Eric Mortensen, Timothy Tiggeloven, Toon Haer, Bas van Bemmel, Dewi Le Bars, Sanne Muis, Dirk Eilander, Frederiek Sperna Weiland, Arno Bouwman, Willem Ligtvoet, and Philip J. Ward

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Cited articles

Aerts, J. C. J. H.: A review of cost estimates for flood adaptation, Water-Sui., 10, 1646, https://doi.org/10.3390/w10111646, 2018. 
Aerts, J. C. J. H., Lin, N., Botzen, W., Emanuel, K., and de Moel, H.: Low-Probability Flood Risk Modeling for New York City, Risk Anal., 33, 772–788, https://doi.org/10.1111/risa.12008, 2013. 
Aerts, J. C. J. H., Botzen, W. J. W., Emanuel, K., Lin, N., De Moel, H., and Michel-Kerjan, E. O.: Climate adaptation: Evaluating flood resilience strategies for coastal megacities, Science, 344, 473–475, https://doi.org/10.1126/science.1248222, 2014. 
Andree, B. P. J. and Koomen, E.: Calibration of the 2UP model: Spinlab Research Memorandum SL-13, Vrije Universiteit Amsterdam, https://research.vu.nl/en/publications/calibration-of-the-2up-model (last access: April 2021), 2017. 
Barbier, E. B., Hacker, S. D., Kennedy, C., Koch, E. W., Stier, A. C., and Silliman, B. R.: The value of estuarine and coastal ecosystem services, Ecol. Monogr., 81, 169–193, 2011. 
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Current levels of coastal flood risk are projected to increase in coming decades due to various reasons, e.g. sea-level rise, land subsidence, and coastal urbanization: action is needed to minimize this future risk. We evaluate dykes and coastal levees, foreshore vegetation, zoning restrictions, and dry-proofing on a global scale to estimate what levels of risk reductions are possible. We demonstrate that there are several potential adaptation pathways forward for certain areas of the world.
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