13d40ad4-c9c3-4c9c-a3dc-79d11d30d139 eng Ant├│nio Silva & Rosa Freitas University of Aveiro (+351) 234 370 350 (ext 22739) (+351) 234 372 587 (ext 22758) Aveiro Aveiro 3810-193 Aveiro Portugal antoniojsilva@ua.pt rosafreitas@ua.pt 2026-03-11T09:16:31.5937642Z ISO 19115:2003/19139 1.0 WGS 1984 Chart of the Portuguese continental shelf sediments PT001000 PT001001 PT001002 PT001003 PT001004 PT001005 PT001006 2011-05-20T15:31:00 Simplified map of the superficial sediments of the Portuguese continental shelf, based on available information of marine charts and various surveys.Preliminary map preparation involved scanning, georeferencing and digitizing of pre-existing base maps from the Portuguese Hydrographic Institute and harmonization with other published and non-published cartographic information. Samples of soft bottom shelf sediments from nearly 500 sites, collected in the scope of the MeshAtlantic, RENSUB and ACOSHELF projects, were analyzed for grain-size and total organic matter. Research Ant├│nio Silva & Rosa Freitas University of Aveiro (+351) 234 370 350 (ext 22739) (+351) 234 372 587 (ext 22758) Universidade de Aveiro Campus Universit├írio de Santiago Aveiro Aveiro 3810-193 Aveiro Portugal antoniojsilva@ua.pt rosafreitas@ua.pt https://gis.ices.dk/geonetwork/srv/api/records/13d40ad4-c9c3-4c9c-a3dc-79d11d30d139/attachments/mesh_metadata_vf_s.png thumbnail png https://gis.ices.dk/geonetwork/srv/api/records/13d40ad4-c9c3-4c9c-a3dc-79d11d30d139/attachments/mesh_metadata_vf.png large_thumbnail png Portuguese continental shelf Marine habitat mapping Sediments map GEMET - INSPIRE themes, version 1.0 2100000 eng 1984-01-01T10:00:00 2010-06-15T16:58:00 -10.45 -7.36 36.75 41.88 0 -500 The classification system used was the FOLK-MESH ATLANTIC used in the MeshAtlantic project. Esri Shapefile ESRI ArcGIS WWW:LINK-1.0-http--link https://ows.emodnet-seabedhabitats.eu/geoserver/emodnet_view_maplibrary/wms? OGC:WMS pt001002 View map "PT001002" through the EMODnet Seabed Habitats "Map Library" Web Map Service https://ows.emodnet-seabedhabitats.eu/geoserver/emodnet_open_maplibrary/wfs? OGC:WFS pt001002 Access data from map "PT001002" through the EMODnet Seabed Habitats "Map Library" Web Feature Service https://files.emodnet-seabedhabitats.eu/data/EMODnetSBHsurvey_PT001002.zip WWW:LINK-1.0-http--link EMODnet Seabed Habitats download Chart of the Portuguese continental shelf sediments 2011-05-20 ┬À a literature review of the existing information on the sedimentary distribution on the Portuguese continental shelf; ┬À scanning of pre-existing and published maps by the Portuguese Hydrographic Institute ÔÇô Instituto Hidrogr├ífico (IH), 1:500.000 scale, with the distribution of the surficial sediments on the Portuguese continental shelf; ┬À georreferencing the obtained raster images to the world WGS-84 geographic coordinate system; ┬À vectorization of the Portuguese mainland coastline and the bathymetric curves of 20m, 50m, 100m, 200m and 500m; ┬À projection of the sedimentological data (grain size) obtained in the oceanographic campaigns associated with the project and subsequent classification within the system FOLK MESH-ATLANTIC, using the tool GRAPHERTM 7 (Golden Software, Inc.); ┬À representation and analysis of the sediment samples from the Portuguese continental shelf in the map produced in ArcGIS; ┬À harmonization of sedimentological data available in the literature reviewed, particularly in the maps published by IH, with the classification system adopted in FOLK MESH-ATLANTIC project. This phase required in some cases, georreferencing new maps of interest; ┬À vectorization and mapping the sedimentological maps published in the IHÔÇÖs ÔÇ£S├®rie PescaÔÇØ and "Carta dos Sedimentos Superficiais da Plataforma Continental Portuguesa"; ┬À construction of a synthetic base map of the sediment distribution on the Portuguese continental shelf. For this purpose it was necessary to consider the previous scientific papers published on the sedimentological data of interest to the project; ┬À cataloguing of vector data (metadata) in "GeoNetwork OpensourceÔÇØ platform using a template according to the ISO19139 standard. false