The data for this layer correspond to the Erc zone of the PPRL of the Bay of Pont Mahé — Traict de Pen Bé approved on April 25, 2019 and opposable on June 11, 2019.
This group includes the sectors impacted by coastal erosion and therefore likely to have disappeared by 100 years horizon.
This PPRL concerns the municipalities of Assérac, Mesquer, Piriac-sur-Mer, Saint-Molf.
__Origin__
These data are derived from hydraulic modelling, which allows to calculate the height of water at any point in the territory for a submersion corresponding to the marine levels of l' reference event (Xynthia + 20 cm).
__Partner organisations__
DDTM Loire-Atlantique
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-e158d52c-ee27-476f-b835-9769624b1bfd)
* [the PPRL Bay of Pont Mahé — Traict de Pen Bé on the Portal of Services of l' State in Loire-Atlantique](http://www.loire-atlantique.gouv.fr/Politiques-publiques/Risques-naturels-et-technologiques/Prevention-des-risques-naturels/Plans-Prevention-Risques-Naturels-Previsibles/Les-Plans-de-Prevention-des-Risques-Littoraux-en-Loire-Atlantique/Le-PPRL-Baie-de-Pont-Mahe-Traict-de-Pen-Be)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/6b9659a9e8f1f30d66e472dade8c040016887ae3)
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