{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "https://portal.medin.org.uk/?details&tpc=015_88957a57-7df0-470c-a15e-3e47a044c63c",
    "identifier": "88957a57-7df0-470c-a15e-3e47a044c63c",
    "url": "https://portal.medin.org.uk/?details&tpc=015_88957a57-7df0-470c-a15e-3e47a044c63c",
    "name": "2009, EMU Ltd, Lynn and Inner Dowsing, Hydrographic Monitoring Survey",
    "description": "Emu Ltd conducted a series of hydrographic and geophysical monitoring surveys for Centrica Renewable Energy Limited at the Lynn and Inner Dowsing wind farm sites, primarily from 30 June to 26 July 2009, with additional ecological sampling in September 2009 and comparative surveys dating back to 2007. The purpose was to assess and map seabed habitats, particularly focusing on the extent and nature of biogenic features such as Sabellaria spinulosa reefs and Mytilus edulis (blue mussel) beds, in accordance with ecological and statutory monitoring requirements. \r\n\r\nMethodologies included swath and multibeam bathymetry, sidescan sonar, high-precision GPS, drop-down video and photographic analysis, sediment grab sampling, and laboratory analysis, with data validated by field verification and processed using advanced geospatial software. Key findings confirmed the presence of Sabellaria reefs (including borderline, low-lying features), patchy and non-reef Sabellaria occurrences, seed and old mussel beds, Ampelisca diadema aggregations, and varied sediment types, with survey results generally consistent with previous years and highlighting the dynamic nature of these habitats.\r\n\r\nCorresponding Centrica Document Title: Lynn and Inner Dowsing Hydrographic Monitoring Survey\r\n\r\nAvailable Datasets and supporting documentation: 1.GIS layers and MXDs; 2.Images(.jpg) ; 3.Videos ; 4. XYZ(.txt); 5. Documents and plots (.pdf)",
    "includedInDataCatalog": {
        "@id": "https://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
    },
    "conditionsOfAccess": [
        "access: There will be no limitations when published on the Marine Data Exchange",
        "use: Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use"
    ],
    "temporalCoverage": "2009-06-30/2009-09-12",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/SBPH/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "SBPH",
            "name": "Seabed photography"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/SDAC/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "SDAC",
            "name": "Sediment acoustics"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/MBAN/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "MBAN",
            "name": "Bathymetry and Elevation"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/M04/current/M0406/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/M04/current/",
            "termCode": "M0406",
            "name": "Post-Construction monitoring"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/M03/current/M0316/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/M03/current/",
            "termCode": "M0316",
            "name": "Renewable Energy Lease area"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/M03/current/M0309/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/M03/current/",
            "termCode": "M0309",
            "name": "Offshore Cable Corridor"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P22/current/31/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P22/current/",
            "termCode": "31",
            "name": "Habitats and biotopes"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "53.11 0.36 53.22 0.5"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
                "propertyID": "https://apps.epsg.org/api/v1/ProjectedCoordRefSystem/32631",
                "value": "WGS 84 / UTM zone 31N"
            }
        ]
    },
    "author": [
        {
            "@type": "Organization",
            "name": "XceCo Limited",
            "description": "owner",
            "email": "ask@xceco.co.uk",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "maintainer": [
        {
            "@type": "Organization",
            "name": "The Crown Estate",
            "description": "custodian",
            "email": "enquiries@thecrownestate.co.uk",
            "telephone": "+44 020 7851 5000",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "producer": [
        {
            "@type": "Organization",
            "name": "Emu Limited (Fugro EMU Limited)",
            "description": "originator",
            "email": "n/a",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "publisher": [
        {
            "@type": "Organization",
            "name": "The Crown Estate",
            "description": "pointOfContact",
            "email": "enquiries@thecrownestate.co.uk",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "provider": [
        {
            "@type": "Organization",
            "name": "The Crown Estate",
            "description": "distributor",
            "email": "enquiries@thecrownestate.co.uk",
            "telephone": "+44 020 7851 5000",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "creator": [
        {
            "@type": "Organization",
            "name": "XceCo Limited",
            "description": "owner",
            "email": "ask@xceco.co.uk",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "sdPublisher": {
        "@type": "Organization",
        "url": "https://portal.medin.org.uk/portal/",
        "name": "Marine Environmental Data and Information Network (MEDIN)",
        "description": "The MEDIN portal contains information about 19684 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 2026-08-12. Record deletion takes place weekly and the latest occurred 2026-08-09."
    }
}