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|Assessing climate change impacts on flooding risks in the Belgian coastal zone|
Van der Biest, K.; Verwaest, T.; Reyns, J. (2008). Assessing climate change impacts on flooding risks in the Belgian coastal zone, in: LITTORAL 2008. A Changing Coast: Challenge for the Environmental Policies. Proceedings. 9th International Conference, November 25-28, 2008, Venice, Italy [CD-ROM]. pp. 1-12
In: (2008). LITTORAL 2008. A Changing Coast: Challenge for the Environmental Policies. Proceedings. 9th International Conference, November 25-28, 2008, Venice, Italy. Corila: Venice. 1 cd-rom pp., meer
Flooding > Floods
Temporal variations > Long-term changes > Sea level changes
ANE, België, Belgische kust [Marine Regions]
Climate change induced primary effects such as sea level rise and increased storminess lead to higher risks of flooding of low-lying coastal areas. One of the most significant social secondary effects is the number of people at risk due to flooding. An important economical effect of climate change is the amount of damage costs. Besides direct damages there will also be indirect economic results such as temporary suspension of production and loss of jobs. Other ecological effects of increased flooding risks are the loss of beach and dune area, as well as associated specific habitats such as wetlands. Indirectly this leads to loss of biodiversity.
The magnitude of the most significant secondary effects is quantified by carrying out risk calculations. For each of the sets of the changing physical parameters a related storm scenario is statistically determined. In a first approach, the flooding risks during an extreme storm under present climate conditions and sea level rise are estimated. By means of a set of numerical models the areas susceptible to flooding in the Belgian coastal plain are identified. The resulting flooding risk maps are then used to estimate the scope of the secondary impacts.
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