Our data contributors

We are continually working to update and improve our global bathymetric grid. This is only possible through access to data sets and regional bathymetric compilations made available by the international community. We thank all data contributors.

Even to this day large areas of the global ocean floor have not been mapped using modern echo-sounding techniques. Help us to map the gaps, find out how to contribute your data and get involved in GEBCO.

The GEBCO grid has been built from data from a number of sources, including regional and global grids and hundreds of individual surveys made available through international and national databases such as the IHO Data Center for Digital Bathymetry (IHO DCDB). We are also grateful to our partners in industry for their data contributions to help update the GEBCO grid.

The table below lists the regional bathymetric compilations included in the current GEBCO grid, GEBCO_2014. For further information on the development of the GEBCO grid and data sets included in it, please see the accompanying documentation.

Contributing project/organization Regional data set (including reference/link where available)
International Bathymetric Chart of the Southern Ocean (IBCSO)

IBCSO v1 bathymetric grid, 180°W-180°E; 60S-90°S:

Arndt, J.E., H. W. Schenke, M. Jakobsson, F. Nitsche, G. Buys, B. Goleby, M. Rebesco, F. Bohoyo, J.K. Hong, J. Black, R. Greku, G. Udintsev, F. Barrios, W. Reynoso-Peralta, T. Morishita, R. Wigley, The International Bathymetric Chart of the Southern Ocean (IBCSO) Version 1.0 - A new bathymetric compilation covering circum-Antarctic waters, Geophysical Research Letters, doi: 10.1002/grl.50413

International Bathymetric Chart of the Arctic Ocean (IBCAO)

IBCAO v3 bathymetric grid, 180°W-180°E; 64°N-90°N:

Jakobsson, M., L. A. Mayer, B. Coakley, J. A. Dowdeswell, S. Forbes, B. Fridman, H. Hodnesdal, R. Noormets, R. Pedersen, M. Rebesco, H.-W. Schenke, Y. Zarayskaya A, D. Accettella, A. Armstrong, R. M. Anderson, P. Bienhoff, A. Camerlenghi, I. Church, M. Edwards, J. V. Gardner, J. K. Hall, B. Hell, O. B. Hestvik, Y. Kristoffersen, C. Marcussen, R. Mohammad, D. Mosher, S. V. Nghiem, M. T. Pedrosa, P. G. Travaglini, and P. Weatherall, The International Bathymetric Chart of the Arctic Ocean (IBCAO) Version 3.0, Geophysical Research Letters, doi: 10.1029/2012GL052219

EMODnet bathymetry team

European Marine Observation and Data Network (EMODnet) Bathymetry 2013 data set, 63°N to 30°N; 34°W to 37°E:

Schaap, D. M. A., and E. Moussat (2013), EMODNet Hydrography-Seabed Mapping-Developing a higher resolution digital bathymetry for the European seas, Geophys. Res., Abstracts, vol. 15, EGU2013-3620, EGU General Assembly 2013, Vienna, Austria. Link

Baltic Sea Bathymetry Database (BSBD) team

Bathymetric grid for the Baltic Sea region 66°N to 53°N; 7° 45'E to 30°E:

Baltic Sea Hydrographic Commission, 2013, Baltic Sea Bathymetry Database version 0.9.3. Downloaded from http://data.bshc.pro/.

Member States of the International Hydrographic Organization (IHO)

Bathymetric soundings extracted from Electronic Navigation Charts (ENCs) provided by IHO Member States).

Access further details about ENC contributions made to GEBCO.

Geoscience Australia

Australian Bathymetry and Topography Grid, June 2009: 8°30'S to 50°S; 105°E to 163°E

Whiteway, T., (2009), Australian Bathymetry and Topography Grid, June 2009. Scale 1:5000000. Geoscience Australia, Canberra. http://dx.doi.org/10.4225/25/53D99B6581B9A.

The Lamont-Doherty Earth Observatory (LDEO) of Columbia University

Global Multi-Resolution Topography (GMRT) synthesis

Ryan, W. B. F., S.M. Carbotte, J. Coplan, S. O'Hara, A. Melkonian, R. Arko, R.A. Weissel, V. Ferrini, A. Goodwillie, F. Nitsche, J. Bonczkowski, and R. Zemsky (2009), Global Multi-Resolution Topography (GMRT) synthesis data set, Geochem. Geophys. Geosyst., 10, Q03014, doi:10.1029/2008GC002332. Data link.

Japan Oceanographic Data Center (JODC) of the Japan Coast Guard

Japan Coast Guard Grid for the North Western Pacific Ocean region 17°N-43°N; 126°E-160°E

John K. Hall, Geological Survey of Israel (retired)

Bathymetric grid for The Black Sea 26°E-41° 46'E; 40°N-47° 15'N:

Bathymetric compilations of the seas around Israel I: The Caspian and Black Seas, J.K. Hall , Geological Survey of Israel, Current Research, Vol. 13, December 2002

John K. Hall, Geological Survey of Israel (retired)

Bathymetric grid for The Caspian Sea 46° 40'E - 54° 2'E; 36° 31'N - 47°N:

Bathymetric compilations of the seas around Israel I: The Caspian and Black Seas, J.K. Hall , Geological Survey of Israel, Current Research, Vol. 13, December 2002



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