Description
The term "Lower Zones" refers to the topographical areas below the 100-year sea level (reference level used for metropolitan France).
Its cartographic representation is discretized into three categories of values:
* Area below 100-year sea level -1m: Strong
* Area below 100-year sea level: Medium
* Area below 100-year sea level +1m: Low
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Tags
- submersions-marines-vulnerabilite-aux-risques-littoraux-indicateur