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            <gco:CharacterString>Levé Lidar et photogrammétrie sur les falaises de la communes de Hendaye.
Levé réalisé du 18 au 20 novembre 2021 par la société Instadrone. Les orthophotographies d'elevation ont été faite le 3 decembre.</gco:CharacterString>
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                  <gco:CharacterString>Dans le cadre du suivi annuel du littoral rocheux aquitain, la société Instadrone a levé en drone équipé d'un lidar la falaise de la Pointe Sainte Anne à Hendaye.

Des vols pour l’acquisition photogrammétrique nadirale ont été réalisés à 120m d’altitude afin d’obtenir une résolution de 1,5cm/pixel.
Des vols pour l’acquisition des élévations des falaises ont été effectuée à une distance approximative de 40 mètres pour un GSD 0,5cm/pixel.
Un vol pour l’acquisition Lidar a été réalisé à 70m d’altitude.

Matériel employé :
Drone DJI Matrice 300 RTK équipé d’un lidar DJI L1 et d'un capteur photographique DJI P1</gco:CharacterString>
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