Articles | Volume 22, issue 7
https://doi.org/10.5194/nhess-22-2359-2022
https://doi.org/10.5194/nhess-22-2359-2022
Research article
 | 
18 Jul 2022
Research article |  | 18 Jul 2022

Storm surge hazard over Bengal delta: a probabilistic–deterministic modelling approach

Md Jamal Uddin Khan, Fabien Durand, Kerry Emanuel, Yann Krien, Laurent Testut, and A. K. M. Saiful Islam

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Cited articles

Adnan, M. S. G., Haque, A., and Hall, J. W.: Have coastal embankments reduced flooding in Bangladesh?, Sci. Total Environ., 682, 405–416, https://doi.org/10.1016/j.scitotenv.2019.05.048, 2019. a
Akter, N. and Tsuboki, K.: Recurvature and movement processes of tropical cyclones over the Bay of Bengal, Q. J. Roy. Meteor. Soc., 147, 3681–3702, https://doi.org/10.1002/qj.4148, 2021. a
Alam, E. and Dominey-Howes, D.: A new catalogue of tropical cyclones of the northern Bay of Bengal and the distribution and effects of selected landfalling events in Bangladesh, Int. J. Climatol., 35, 801–835, https://doi.org/10.1002/joc.4035, 2014. a, b, c
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Ali, A.: Climate change impacts and adaptation assessment in Bangladesh, Clim. Res., 12, 109–116, https://doi.org/10.3354/cr012109, 1999. a
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Short summary
Cyclonic storm surges constitute a major threat to lives and properties along the vast coastline of the Bengal delta. From a combination of cyclone and storm surge modelling, we present a robust probabilistic estimate of the storm surge flooding hazard under the current climate. The estimated extreme water levels vary regionally, and the inland flooding is strongly controlled by the embankments. More than 1/10 of the coastal population is currently exposed to 50-year return period flooding.
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