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By 2050, 160 housing units in Côtes-d’Armor could be threatened by the retreat of the coastline. The statistic was published at the beginning of April by Cerema. Two local experts explain the situation.
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In Saint-Quay-Portrieux, the Comtesse beach site is one of the areas most exposed to the retreat of the coastline in the department. | WEST-FRANCE ARCHIVES
Behind the retreat of the coastline lie two phenomena: erosion and rising water levels. “Erosion is the natural elements that take sediment from the coast,” explains Élise Poireau, responsible for the coastal zone and marine environments mission at the Regional Directorate for the Environment, Planning and Housing (Dreal) Brittany. In recent years, this phenomenon has accelerated. And, at the same time, there is the rise in sea level. “It’s the combination of these…
