a01f324e-12ac-416d-b0c1-7a1447956546 eng utf8 dataset dataset Mapping and Geographic Information Centre, British Antarctic Survey +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom magic@bas.ac.uk https://www.bas.ac.uk/teams/magic Mapping and Geographic Information Centre (MAGIC) - BAS public website General information about the BAS Mapping and Geographic Information Centre (MAGIC) from the British Antarctic Survey (BAS) public website. information pointOfContact 2026-05-12 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) European Petroleum Survey Group (EPSG) Geodetic Parameter Registry 2008-11-12 publication European Petroleum Survey Group EPSGadministrator@iogp.org https://www.epsg-registry.org/ EPSG Geodetic Parameter Dataset The EPSG Geodetic Parameter Dataset is a structured dataset of Coordinate Reference Systems and Coordinate Transformations, accessible through this online registry. information publisher urn:ogc:def:crs:EPSG::3031 6.18.3 Medium resolution vector polygon seamask for areas south of 60°S 1993 creation 2026-05-12T08:20:46+00:00 publication 2026-04-22 revision 2026-05-12T08:20:46+00:00 released 7.12 a01f324e-12ac-416d-b0c1-7a1447956546 lantern.data.bas.ac.uk 10.5285/a01f324e-12ac-416d-b0c1-7a1447956546 doi Ireland, L. (2026). Medium resolution vector polygon seamask for areas south of 60S (Version 7.12) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/a01f324e-12ac-416d-b0c1-7a1447956546 If using for a graphic or if short on space, please cite as 'Data from the SCAR Antarctic Digital Database, 2026'. A medium resolution seamask for regions south of 60°S, comprised of a roundel polygon with all land and ice shelves erased. Medium resolution versions of ADD data are suitable for scales smaller than 1:1,000,000, although certain regions will appear more detailed than others due to variable data availability and coastline characteristics. Data compiled, managed and distributed by the Mapping and Geographic Information Centre and the UK Polar Data Centre, British Antarctic Survey on behalf of the Scientific Committee on Antarctic Research. A medium resolution seamask for regions south of 60°S, comprised of a roundel polygon with all land and ice shelves erased. Ireland, Louise British Antarctic Survey https://orcid.org/0000-0003-0960-0486 ORCID record ORCID is an open, non-profit, community-driven effort to create and maintain a registry of unique researcher identifiers and a transparent method of linking research activities and outputs to these identifiers. information author Mapping and Geographic Information Centre, British Antarctic Survey +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom magic@bas.ac.uk https://www.bas.ac.uk/teams/magic Mapping and Geographic Information Centre (MAGIC) - BAS public website General information about the BAS Mapping and Geographic Information Centre (MAGIC) from the British Antarctic Survey (BAS) public website. information pointOfContact UK Polar Data Centre, British Antarctic Survey +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom polardatacentre@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ UK Polar Data Centre (UK PDC) - BAS public website General information about the NERC Polar Data Centre (UK PDC) from the British Antarctic Survey (BAS) public website. information publisher Scientific Committee on Antarctic Research Scientific Committee on Antarctic Research, Scott Polar Research Institute, University of Cambridge, Lensfield Road Cambridge Cambridgeshire CB2 1ER United Kingdom info@scar.org rightsHolder Scientific Committee on Antarctic Research Scientific Committee on Antarctic Research, Scott Polar Research Institute, University of Cambridge, Lensfield Road Cambridge Cambridgeshire CB2 1ER United Kingdom info@scar.org sponsor asNeeded completed unrestricted license This information is licensed under the Creative Commons Attribution 4.0 International Licence (CC BY 4.0). To view this licence, visit https://creativecommons.org/licenses/by/4.0/ a79fb3b3-fcc4-4ce7-9213-4811c0917e6d lantern.data.bas.ac.uk revisionOf e74543c0-4c4e-4b41-aa33-5bb2f67df389 lantern.data.bas.ac.uk largerWorkCitation collection eng utf8 -180.0 180.0 -90.0 -60.0 1993-01-01 2026-04-10 Environmental Systems Research Institute 380 New York Street Redlands California 92373 United States of America https://www.esri.com GIS Mapping Software, Location Intelligence & Spatial Analytics | Esri Corporate website for Environmental Systems Research Institute (ESRI). information distributor ArcGIS Vector Tile Service ArcGIS Tile Layer https://tiles.arcgis.com/tiles/tPxy1hrFDhJfZ0Mf/arcgis/rest/services/add_seamask_medium_res_vt/VectorTileServer ArcGIS Online Access information as a vector tile service in ArcGIS Online. download https://www.arcgis.com/home/item.html?id=6bf421c4609949cea2dede5c9e353531 ArcGIS Online Access information as a tile layer in ArcGIS Online. information UK Polar Data Centre, British Antarctic Survey +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom polardatacentre@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ UK Polar Data Centre (UK PDC) - BAS public website General information about the NERC Polar Data Centre (UK PDC) from the British Antarctic Survey (BAS) public website. information distributor Shapefile (Zipped) GeoPackage bytes 1628005 https://ramadda.data.bas.ac.uk/repository/entry/get/add_seamask_medium_res_v7_12.shp.zip?entryid=synth%3Aa01f324e-12ac-416d-b0c1-7a1447956546%3AL2FkZF9zZWFtYXNrX21lZGl1bV9yZXNfdjdfMTIuc2hwLnppcA%3D%3D Shapefile (Zipped) Download information as an Esri Shapefile (compressed as a Zip file). download bytes 2301952 https://ramadda.data.bas.ac.uk/repository/entry/get/add_seamask_medium_res_v7_12.gpkg?entryid=synth%3Aa01f324e-12ac-416d-b0c1-7a1447956546%3AL2FkZF9zZWFtYXNrX21lZGl1bV9yZXNfdjdfMTIuZ3BrZw%3D%3D GeoPackage Download information as an OGC GeoPackage. download dataset British Antarctic Survey (BAS) Mapping and Geographic Information Centre (MAGIC) Discovery Metadata Profile 2025-11-24 publication 2 Mapping and Geographic Information Centre, British Antarctic Survey +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom magic@bas.ac.uk https://www.bas.ac.uk/teams/magic Mapping and Geographic Information Centre (MAGIC) - BAS public website General information about the BAS Mapping and Geographic Information Centre (MAGIC) from the British Antarctic Survey (BAS) public website. information publisher Resource within scope of the British Antarctic Survey (BAS) Mapping and Geographic Information Centre (MAGIC) Discovery Metadata Profile. true This dataset was generated by erasing the medium resolution polygon coastline v7.12 from a circular polygon covering the data extent up to 60°S. unrestricted Open Access (Anonymous) license This information is licensed under the Creative Commons Attribution-NoDerivatives 4.0 International Licence (CC BY-ND 4.0). To view this licence, visit https://creativecommons.org/licenses/by-nd/4.0/ asNeeded completed