Porsmilin topographic DEMs 2023

Sea State

In order to facilitate capturing three-dimensional beach change, full surveys of the subaerial beach have been conducted starting in 2004 using RTK-GNSS (survey method GPS), Unmanned Aerial Vehicle (UAV) imagery processed using Structure-from-Motion (SfM) photogrammetry (survey method PHO) and terrestrial laser-scanning (survey method TLS). For each survey, we prepared a Digital Elevation Model (DEM) at a fixed sampling distance of 0.5 m.

Data and resources

MNT-Topo_Porsmilin_2003-2019

MNT topographiques - Plage de Porsmilin - 2003-2019 (WMS-T)

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20230406_Porsmilin_PHO_DEM_0.5.tif

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20230406_Porsmilin_PHO_ORTHO_0.1.tif

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20230831_Porsmilin_PHO_DEM_0.5.tif

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20230831_Porsmilin_PHO_ORTHO_0.1.tif

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SNO DYNALIT

SNO DYNALIT

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Additional information

Temporal extent	2023-01-01 – 2023-12-31
Date (publication)	2025-02-11
Status	completed
Update frequency	asNeeded
Metadata language	fr
License	Utilisation libre sous réserve de mentionner la source (a minima le nom du producteur) et la date de sa dernière mise à jour
Source metadata	ISO 19115 XML
Last updated	2026-11-04
Created	2026-11-04
API	package_show