EMODnet Digital Bathymetry (DTM 2018)

Date(s) (Publication)
Originator(s): Baltic Sea Hydrographic Commission, British Geological Survey, Edinburgh, British Oceanographic Data Centre, Bulgarian National Oceanographic Data Centre(BGODC), Institute of Oceanology, CNR, Institute for the Marine and Coastal Environment (IAMC) - Napoli, CNR, Institute of Environmental Geology and Geoengineering (IGAG), CNR, Institute of Marine Science (ISMAR) - Bologna, CONISMA, National Interuniversity Consortium for Marine Science, Coronis Computing SL, Croatian Hydrographic Institute, Danish Geodata Agency – Danish Hydrographic Office, Danube Delta National Institute for Research and Development, Deltares, Department of Geology, Geophysics and Coastal Processes - Israel Oceanographic & Limnological Research., EOMAP GmbH & Co KG, Federal Maritime and Hydrographic Agency, Flemish Ministry of Mobility and Public Works; Agency for Maritime and Coastal Services; Coastal Division, Geodetic Institute of Slovenia, Geological Survey Ireland, GGS Geo Consultancy, GRID-Arendal, Hellenic Centre for Marine Research, Institute of Oceanography (HCMR/IO), ICM-CSIC/ Institute of Marine Sciences, IEO/Spanish Oceanographic Institute, IFREMER / IDM / SISMER - Scientific Information Systems for the SEA, IGME, Geological Survey of Spain, IHPT, Hydrographic Institute, Italian Navy Hydrographic Office, Jardfeingi, the Faroe Islands Earth and Energy Directorate, Marine Geology and Seafloor Surveying group, Department of Geosciences, University of Malta, Marine Information Service, Maritime Administration of Latvia, Marum - Center for Marine Environmental Sciences, University of Bremen, National Institute for Marine Research and Development "Grigore Antipa", National Institute of Marine Geology and Geoecology, National Oceanography Centre, Southampton, NIOZ Royal Netherlands Institute for Sea Research, Norwegian Hydrographic Service (NHS), OceanWise Limited, OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Infrastructures Division, OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Oceanography, Portuguese Institute of Ocean and Atmosphere, Rijkswaterstaat Central Information Services, Royal Netherlands Navy, Hydrographic Service, SC Marine Research SRL, Shom (Service Hydrographique et Océanographique de la Marine), Stockholm University, Department of Geological Sciences, Swedish Maritime Administration, Task Group for the Extension of the Continental Shelf, The Norwegian Petroleum Directorate (NPD)
Point of contact(s): Shom (Service Hydrographique et Océanographique de la Marine)
Publisher(s): EMODnet Bathymetry Consortium
Credit EMODnet High Resolution Seabed Mapping project
DOI 10.12770/18ff0d48-b203-4a65-94a9-5fd8b0ec35f6
Abstract The "EMODnet Digital Bathymetry (DTM)- 2018" is a multilayer bathymetric product for Europe’s sea basins covering:
• the Greater North Sea, including the Kattegat and stretches of water such as Fair Isle, Cromarty, Forth, Forties,Dover, Wight, and Portland
• the English Channel and Celtic Seas
• Western Mediterranean, the Ionian Sea and the Central Mediterranean Sea
• Iberian Coast and Bay of Biscay (Atlantic Ocean)
• Adriatic Sea (Mediterranean)
• Aegean - Levantine Sea (Mediterranean).
• Madeira and Azores (Macaronesia)
• Baltic Sea
• Black Sea
• Norwegian and Icelandic Seas
• Canary Islands (Macaronesia)
• Arctic region and Barentz Sea
The DTM is based upon more than 9400 bathymetric survey data sets and Composite DTMs that have been gathered from 49 data providers from 24 countries riparian to European seas. Also Satellite Derived Bathymetry data products have been included derived from Landsat 8 satellite images. The source reference layer in the portal viewing service gives metadata of the data sets used with their data providers; the metadata also acknowledges the data originators. The incorporated survey data sets itself can be discovered and requested for access through the Common Data Index (CDI) data discovery and access service that in September 2018 contained > 27.000 survey data sets from European data providers for global waters. The Composite DTMs can be discovered through the Sextant Catalogue service. Both discovery services make use of SeaDataNet standards and services and have been integrated in the EMODnet Bathymetry web portal (http://www.emodnet-bathymetry.eu). In addition, the Bathymetry Viewing and Download service of the EMODnet bathymetry portal gives users wide functionality for viewing and downloading the EMODnet digital bathymetry such as:
• water depth (refering to the Lowest Astronomical Tide Datum - LAT) in gridded form on a DTM grid of 1/16 * 1/16 arc minute of longitude and latitude (ca 115 * 115 meters)
• option to view depth parameters of individual DTM cells and references to source data
• option to download DTM in 64 tiles in different formats: ESRI ASCII, XYZ, EMODnet CSV, NetCDF (CF), GeoTiff and SD
• option to visualize the DTM in 3D in the browser without plug-in
• layer with a number of high resolution DTMs for coastal regions
• layer with wrecks from the UKHO Wrecks database.
The EMODnet DTM is also available by means of OGC web services (WMS, WFS, WCS, WMTS), which are specified at the EMODnet Bathymetry portal.
The original datasets themselves are not distributed but described in the metadata services, giving clear information about the background survey data used for the DTM, their access restrictions, originators and distributors and facilitating requests by users to originator.
Keywords Elevation, Administration and dimensions, Gravity, magnetics and bathymetry, Terrestrial, Bathymetry and Elevation, Reference numbers, Metadata parameters, EMODnet, seafloor depth, ocean depth, Digital Terrain Model, DTM, grid, bathymetric data, European seas, Azores, Madeira, Canary Islands, North-East Atlantic, Bay of Biscay, Celtic Seas, English Channel, North Sea, Norvegian Sea, Iceland Sea, Baltic Sea, Mediterranean Sea, Adriatic Sea, Aegean Sea, Black Sea, Arctic, Barentz Sea, Seabed, Bathymetry, National, /Processed data/Model outputs
Lineage The DTM is a grid of 1/16 * 1/16 arc minute of longitude and latitude (ca 115 * 115 meters).
Each grid cell has the following information:
- x,y coordinates
- minimum waterdepth in meters to LAT
- average waterdepth in meters to LAT
- maximum waterdepth in meters to LAT
- standard deviation of waterdepth in meters
- number of values used for interpolation over the grid cell
- interpolation flag : 1 when extrapolated from the neighbouring cells
- average
Utilisation Restriction related to intellectual property rights.

Exclusive right granted by law for a specified period of time.

Restriction related to intellectual property rights. Exclusive right granted by law for a specified period of time. Not to be used for navigation. The EMODnet DTM is made publicly available for browsing and downloading and can be freely used under the condition that it is acknowledged (see How to cite). However for use in commercial software such as electronic mapping packages it is advised to contact individual data providers as an arrangement might be required. Each DTM grid cell has a reference to the source data (bathymetric survey via CDI, composite DTM via Sextant, and GEBCO in case of gaps) used for determining the water depth in the DTM grid cell.
Temporal Extent 1816-01-01 - 2018-01-15