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Australian Oceanographic Data Centre

British Oceanographic Data Centre

Hellenic National Oceanographic Data Centre

Intergovernmental Oceanographic Data and Information Exchange.

Japan Oceanographic Data Center

Marine Information Service (The Netherlands)

Mediterranean Oceanic Data Base (Belgium)

Information on environmental monitoring, coastal monitoring and assessment, water quality, biodiversity, aeronautical chargting and cartography, nautical charting and cartography, national marine sanctuaries (United States).

Norsk Oseanografisk Datasenter (Norway)

U.S. National Oceanographic Data Center