![]() ![]() The results highlight that the implementation of closed defenses around human and economic stakes do not lead to significant reductions in flooding (surface extent and maximum water height) compared to the case where the sea-dikes are no longer maintained and the coastline is unconstrained. Several Coastal management configurations proposed by local decision-makers, as well as different land-use projections were considered. Our focus is on modeling the high astronomical tide-induced flooding, taking into account regional SLR projections by 20 under the pessimistic RCP 8.5 CC scenario. ![]() We first calibrated the model based on data from the Xynthia storm which occurred on February 28th 2010. ![]() To do so, we used the MARS hydrodynamic model to simulate coastal overflowing in the zone for different scenarios. The main objective of this study is to help local stakeholders determine the best coastal management strategy for the Moëze marsh (France) that can contribute to adapt to SLR in this zone. In a Climate Change (CC) context, low-lying areas like marshes are more vulnerable to Sea Level Rise (SLR) or extreme climate events leading to coastal flooding. ![]()
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