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Defra's Marine Digital Elevation Model (DEM) - 6 arc seconds

Publisher
Department for Environment, Food and Rural Affairs
Updated
1 July 2026
Topic
Not set

Summary

This dataset contains Digital Elevation Model (DEM) shapefiles for the waters surrounding the United Kingdom to a depth of 200 metres. This resolution is 6 arc seconds which covers the widest possible geographic area. Geographic coordinates were used throughout and the DEM is referenced to the ETRS89 datum horizontally and Chart Datum vertically. All input data was made available under licence by the UK Hydrographic Office (UKHO) to Defra for the purpose of DEM creation. Attribution statement: © Crown Copyright

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Additional information

Source Metadata
XML, HTML
Date added
28 July 2025
Harvest GUID
abd88963-7db0-4c37-9d19-9630be79967f
Extent (Latitude)
60.9° to 50°
Extent (Longitude)
-11.1° to 1.8°
Spatial reference system
http://www.opengis.net/def/crs/EPSG/0/27700
Dataset reference date (creation)
2017-03-31
Dataset reference date (revision)
2018-01-23
Frequency of update
asNeeded
Access constraints
There are no public access constraints to this data. Use of this data is subject to the licence identified.
Responsible party
Department for Environment, Food & Rural Affairs (pointOfContact)
ISO 19139 resource type
dataset
Metadata language
eng

Contact

open@defra.gov.uk

helpline@defra.gov.uk

Licence information

Open Government Licence