{
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    "identifier": "2c163282c5dc5bdf80679f2cda6b9793",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=2c163282c5dc5bdf80679f2cda6b9793",
    "name": "The oceanographic dataset collected during the research cruise identified as CH41 on board the RRS Challenger",
    "description": "This dataset comprises 70 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, in December 1988 from a pre-determined 123-station survey grid covering the southern North Sea (south of 56N). A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the Institute of Oceanographic Sciences Bidston Laboratory as part of the North Sea Project water column survey.",
    "includedInDataCatalog": {
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    "conditionsOfAccess": [
        "access: No limitations apply",
        "access: Data are freely available to all following agreement to the terms and conditions of the Open Government Licence. The licence terms and conditions are available via https://www.bodc.ac.uk/data/documents/nodb/267809/",
        "use: Usage restrictions are specified in the terms of the licence"
    ],
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            "description": "Access the BODC 'all data series' National Oceanographic Database data delivery service; pre-filtered for the RRS Challenger Cruise CH41 data collection",
            "contentUrl": "https://www.bodc.ac.uk/data/bodc_database/nodb/cruise/3255/"
        }
    ],
    "temporalCoverage": "1988-12-01/1988-12-13",
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            "termCode": "PHWC",
            "name": "Phaeopigment concentrations in the water column"
        },
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            "termCode": "NTRA",
            "name": "Nitrate concentration parameters in the water column"
        },
        {
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            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "ATTN",
            "name": "Transmittance and attenuance of the water column"
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            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/ACYC/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "ACYC",
            "name": "Reference numbers"
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            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/CPWC/",
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            "termCode": "CPWC",
            "name": "Chlorophyll pigment concentrations in water bodies"
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            "name": "Ammonium and ammonia concentration parameters in water bodies"
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            "name": "Dissolved oxygen parameters in the water column"
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            "name": "Density of the water column"
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            "name": "Phosphate concentration parameters in the water column"
        },
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            "name": "Nitrite concentration parameters in the water column"
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            "name": "Visible waveband radiance and irradiance measurements in the water column"
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            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "TSED",
            "name": "Concentration of suspended particulate material in the water column"
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            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
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            "name": "Silicate concentration parameters in the water column"
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        "url": "https://portal.medin.org.uk/portal/",
        "name": "Marine Environmental Data and Information Network (MEDIN)",
        "description": "The MEDIN portal contains information about 19493 marine datasets from over 600 UK organisations. Metadata are an enduring resource and contact details are publicly available for a long time. \r\n\t\tPlease contact us (enquiries@medin.org.uk) if you find your contact details on the MEDIN portal and do not consent to this. \r\n\t\tYou can now use our GitHub repository to report issues or access related documents. Metadata records are updated daily and were last updated 2026-04-19. Record deletion takes place weekly and the latest occurred 2026-04-12."
    }
}