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Référence : Méthode de cartographie du trait de côte de l'OCNA décrite dans le rapport BRGM/RP-71582-FR.
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1)Acquisition : Trait de côte digitalisé sur l'orthophotographie de 2017 et des données lidar (MNT, dérivés) ((c) IGN, OCNA), aidé localement par la connaissance terrain, les acquisitions topographiques au DGPS menées par l'OCNA, les photographies aériennes et in-situ.
2)Traitement : Identification des descripteurs du trait de côte à partir des données cartographiques par visualisation et de la connaissance du terrain. Echelle de digitalisation 1/1500. 
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ANNEE : Année du trait de côte (relatif au support de digitalisation)
SCENARIO : Considération des ouvrages de protection côtière
SHAPE_LENG : Longueur en mètres du tronçon
DESK_TDC : Descripteur du trait de côte. SDF : sommet de falaise ; PDC : pied de cordon ; PDD : pied de dune; PDO : pied d'ouvrage ; SDO : sommet d'ouvrage.
4)Système de référence : Lambert93
5)Référence : se référer à la méthode de cartographie du trait de côte de l'OCNA décrite dans le rapport BRGM/RP-71582-FR.</gco:CharacterString>
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