The characterisation of hazards taken into account for the Baie de Bourgneuf PPRL is the marine submersion, l' sway of the \#x27;AZI, l'air erosion and rupture of the dikes.
__Origin__
The marine submersion area on the Vendée coast was determined by the office of SOGREAH studies in 2001-2002, based on the extreme level of 100-year return period set at 3.80 m NGF normalised 1969 and taken into account of #x27;a margin of #x27; uncertainty of 0.20 m.
__Partner organisations__
DDTM Vendée
__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-f844ef91-5040-45eb-b3ed-87c0c55f0550)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/f5f64b54b270118554be6e28dddebc4d7387b9fa)
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