Simple download service (Atom) of the dataset: PPRL Pays des Olonnes — Reference ratings 2100 flood risk and marine submersion of the Pays des Olonnes — Vendée
Description
The reference rating is the elevation of the water body modelled to the right of an existing project or construction.
It is displayed in m NGF-IGN 69, i.e. in meter in the official leveling network in metropolitan France, which is attached to the Marseilles tidegrapher.
Therefore, the reference rating does not correspond to a water level but to the altimetry of the water body.
The water height is the difference between the reference and the altimeter dimensions of the natural terrain.
Resources
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https://atom.geo-ide.developpement-durable.gouv.fr/atomMetadata/GetResourceDescription?id=3a5707d9-e22b-40dc-80e2-8491b9c198eb |