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7. Impacts
The study of impacts is an essential point, as they may be perceived a priori as unfavorable by many without this feeling being specified or supported by facts, studies or reflections.
The sites studied are large basins of 100 to 1,000 km 2 backed up to the coast (excluding estuaries, which are an exceptional case). These are low-lying dykes and factories, generally 10 or 20 km from the coast, and therefore not very visible; these dykes protect the coast from storms, as the residual waves in the basin are low.
Dykes are rarely anchored to the coast (around ten out of 200 km for 100 TWh/year), and their location can be chosen and used to create a fishing or tourist port that is accessible at all times.
There are two points to bear...
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