Porsmilin topographic DEMs
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
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MNT topographiques Porsmilin (2003-2019)ZIP Open
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MNT topographiques - Plage de Porsmilin - 2003-2019 (WMS-T)HTML Open
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SNO DYNALITHTML Open
Additional information
| Temporal extent | 2003-01-08 – 2019-11-28 |
|---|---|
| Date (publication) | 2021-03-11 |
| Status | onGoing |
| 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 |