Bay of Bengal cyclone extreme water level estimate uncertainty

Abstract

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The interactive relationship between coastal erosion and flood risk

“…Coastal flooding is defined as temporary inundation of a terrestrial area that is not normally submerged. Trends contributing to a likely future increase in coastal erosion and flooding risk include: increasing population density (Hanson et al, 2011), asset concentration in coastal areas (Hinkel et al, 2014), accelerating sea level rise (Hay et al, 2015), potential changes to storm surge climate (Bader et al, 2011; Lewis et al, 2014) and declines in sediment supply (Syvitski et al, 2005). Considering these trends, the ability of decision makers to take appropriate (politically salient, publicly acceptable and financially sustainable) mitigation and adaptation management decisions relies critically on knowledge about the functioning of coastal systems and the risks that they present.…”

The effect of variations in water level on wave overtopping discharge over a dike: An experimental model study

“…The decrease of the storm surge occurred again over about 12 h, resulting in mostly symmetric hydrograph. However, extreme surges occur especially during hurricane as along the US coast (East et al, 2008;Lin et al, 2010;Ebersole et al, 2010;Needham and Keim, 2012;Chen et al, 2014;Thomas et al, 2019) or due to tropical cyclones (Lewis et al, 2014;Takagi et al, 2017;Liang et al, 2019;Yin et al, 2020). Given these obesrvations and projections, it is clear that investigations into the effect of storm surge processes on wave overtopping phenomenon are needed in order to prepare responses to future storm events and to minimize the damages.…”

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

“…Finally, the spatial and temporal coverage of the recorded storms is sparse relative to the size of the shoreline and sampling of tidal phases. Indeed, the past studies reported sensitivity of the surge level estimates to storm parameters around the Bengal delta region, both for the maximum water level (∼ O(m)) and the inundation extent (∼ O(km)) (Lewis et al, 2014;Hussain et al, 2017).…”