{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T19:30:52Z","timestamp":1773084652012,"version":"3.50.1"},"reference-count":30,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2019,3,12]],"date-time":"2019-03-12T00:00:00Z","timestamp":1552348800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002830","name":"Centre National d\u2019Etudes Spatiales","doi-asserted-by":"publisher","award":["Post-doc grant"],"award-info":[{"award-number":["Post-doc grant"]}],"id":[{"id":"10.13039\/501100002830","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>High spatial resolution coastal Digital Elevation Models (DEMs) are crucial to assess coastal vulnerability and hazards such as beach erosion, sedimentation, or inundation due to storm surges and sea level rise. This paper explores the possibility to use high spatial-resolution Pleiades (pixel size = 0.7 m) stereoscopic satellite imagery to retrieve a DEM on sandy coastline. A 40-km coastal stretch in the Southwest of France was selected as a pilot-site to compare topographic measurements obtained from Pleiades satellite imagery, Real Time Kinematic GPS (RTK-GPS) and airborne Light Detection and Ranging System (LiDAR). The derived 2-m Pleiades DEM shows an overall good agreement with concurrent methods (RTK-GPS and LiDAR; correlation coefficient of 0.9), with a vertical Root Mean Squared Error (RMS error) that ranges from 0.35 to 0.48 m, after absolute coregistration to the LiDAR dataset. The largest errors (RMS error &gt; 0.5 m) occurred in the steep dune faces, particularly at shadowed areas. This work shows that DEMs derived from sub-meter satellite imagery capture local morphological features (e.g., berm or dune shape) on a sandy beach, over a large spatial domain.<\/jats:p>","DOI":"10.3390\/rs11050590","type":"journal-article","created":{"date-parts":[[2019,3,13]],"date-time":"2019-03-13T04:07:37Z","timestamp":1552450057000},"page":"590","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":63,"title":["Deriving High Spatial-Resolution Coastal Topography From Sub-meter Satellite Stereo Imagery"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7805-9086","authenticated-orcid":false,"given":"Lu\u00eds Pedro","family":"Almeida","sequence":"first","affiliation":[{"name":"Instituto de Oceanografia, Universidade Federal do Rio Grande (IO-FURG), 96203-000 Rio Grande, Brazil"},{"name":"Centre National d\u2019\u00c9tudes Spatiales (CNES-LEGOS), 31400, Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5842-658X","authenticated-orcid":false,"given":"Rafael","family":"Almar","sequence":"additional","affiliation":[{"name":"Institut de recherche pour le d\u00e9veloppement (IRD-LEGOS), 31400 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7638-1108","authenticated-orcid":false,"given":"Erwin W. J.","family":"Bergsma","sequence":"additional","affiliation":[{"name":"Centre National d\u2019\u00c9tudes Spatiales (CNES-LEGOS), 31400, Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5978-9155","authenticated-orcid":false,"given":"Etienne","family":"Berthier","sequence":"additional","affiliation":[{"name":"Centre National de la Recherche Scientifique (CNRS-LEGOS), 31400 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6718-9528","authenticated-orcid":false,"given":"Paulo","family":"Baptista","sequence":"additional","affiliation":[{"name":"Departamento de Geoci\u00eancias, Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4584-9759","authenticated-orcid":false,"given":"Erwan","family":"Garel","sequence":"additional","affiliation":[{"name":"Centre for Marine and Environmental Research (CIMA), University of Algarve, 8005-139 Faro, Portugal"}]},{"given":"Olusegun A.","family":"Dada","sequence":"additional","affiliation":[{"name":"Department of Marine Science and Technology, Federal University of Technology, 340252 Akure, Nigeria"}]},{"given":"Bruna","family":"Alves","sequence":"additional","affiliation":[{"name":"Institut de recherche pour le d\u00e9veloppement (IRD-LEGOS), 31400 Toulouse, France"}]}],"member":"1968","published-online":{"date-parts":[[2019,3,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"233","DOI":"10.3389\/feart.2018.00233","article-title":"Perspectives on Digital Elevation Model (DEM) Simulation for Flood Modeling in the Absence of a High-Accuracy Open Access Global DEM","volume":"6","author":"Hawker","year":"2018","journal-title":"Front. 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