@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix schema: <http://schema.org/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.g-e-m.dk/datasets/10.17897/J1J5-W960> a schema:DataDownload,
        schema:Dataset,
        dcat:Dataset,
        dcat:Distribution,
        foaf:Document ;
    dct:bibliographicCitation "Read the documentation, GEM terms of use and how to cite: https://data.g-e-m.dk/guides. Please get in touch with the GEM secretariat if you need help to cite correctly." ;
    dct:description "The Greenland Ecosystem monitoring program conducts CTD transect surveys each year in the Young Sound-Tyrolerfjord system. CTD instrument used were either SeaBird SBE-19plus, SeaBird SBE-25 or a RBR Maestro. The used CTD was always factory calibrated the same year. More information can be found in Sejr et al (2022) https://doi.org/10.1073/pnas.2207024119" ;
    dct:identifier "https://data.g-e-m.dk/datasets/10.17897/J1J5-W960" ;
    dct:issued "2026-05-20T13:22:01.571375"^^xsd:dateTime,
        "2026-05-20T16:15:55.766001"^^xsd:dateTime ;
    dct:modified "2026-05-20T16:15:55.741718"^^xsd:dateTime,
        "2026-05-20T16:15:55.758345"^^xsd:dateTime ;
    dct:publisher [ a foaf:Agent ;
            foaf:homepage <https://data.g-e-m.dk> ;
            foaf:name "Greenland Ecosystem Monitoring" ],
        [ a foaf:Agent ;
            foaf:homepage <https://data.g-e-m.dk> ;
            foaf:name "Greenland Ecosystem Monitoring" ] ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-20.5700 74.4700, -20.5700 74.4700, -20.5700 74.4700, -20.5700 74.4700))"^^gsp:wktLiteral ] ;
    dct:temporal [ a dct:PeriodOfTime ;
            dcat:endDate "2025-08-21"^^xsd:date ;
            dcat:startDate "2003-08-10"^^xsd:date ],
        [ a dct:PeriodOfTime ;
            dcat:endDate "2025-08-21"^^xsd:date ;
            dcat:startDate "2003-08-10"^^xsd:date ] ;
    dct:title "Bottom CTD measurements" ;
    schema:about [ a schema:Thing ;
            schema:name "zackenberg-research-station" ] ;
    schema:citation "Read the documentation, GEM terms of use and how to cite: https://data.g-e-m.dk/guides. Please get in touch with the GEM secretariat if you need help to cite correctly." ;
    schema:creator [ a schema:Organization ;
            schema:contactPoint [ a schema:ContactPoint ;
                    schema:contactType "customer service" ;
                    schema:name "University of Copenhagen (UCPH - Partner 3)" ;
                    schema:url "https://data.g-e-m.dk/datasets/10.17897/J1J5-W960" ] ;
            schema:name "University of Copenhagen (UCPH - Partner 3)" ] ;
    schema:dateModified "2026-05-20T16:15:55.741718" ;
    schema:datePublished "2020-01-01",
        "2020-01-01T00:00:00" ;
    schema:description "The Greenland Ecosystem monitoring program conducts CTD transect surveys each year in the Young Sound-Tyrolerfjord system. CTD instrument used were either SeaBird SBE-19plus, SeaBird SBE-25 or a RBR Maestro. The used CTD was always factory calibrated the same year. More information can be found in Sejr et al (2022) https://doi.org/10.1073/pnas.2207024119" ;
    schema:distribution <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960> ;
    schema:identifier "https://data.g-e-m.dk/datasets/10.17897/J1J5-W960" ;
    schema:keywords "ARCTIC",
        "ARCTIC OCEAN",
        "CLIMATE INDICATORS",
        "COASTAL",
        "CTD",
        "ECOSYSTEMS",
        "GREENLAND",
        "MARINE ECOSYSTEMS",
        "OCEAN CHEMISTRY",
        "OCEANOGRAPHY" ;
    schema:license "https://creativecommons.org/licenses/by-sa/4.0/" ;
    schema:name "Bottom CTD measurements" ;
    schema:publisher [ a schema:Organization ;
            schema:contactPoint [ a schema:ContactPoint ;
                    schema:contactType "customer service" ;
                    schema:name "Greenland Ecosystem Monitoring" ;
                    schema:url "https://data.g-e-m.dk" ] ;
            schema:name "Greenland Ecosystem Monitoring" ] ;
    schema:spatialCoverage [ a schema:Place ;
            schema:geo [ a schema:GeoShape ;
                    schema:polygon "{\"type\": \"Polygon\", \"coordinates\": [[[-20.57, 74.47], [-20.57, 74.47], [-20.57, 74.47], [-20.57, 74.47]]]}" ] ] ;
    schema:temporalCoverage "2003-08-10/2025-08-21" ;
    schema:url "https://data.g-e-m.dk/datasets/10.17897/J1J5-W960" ;
    schema:variableMeasured [ a schema:PropertyValue ;
            schema:name "Region" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=Region> ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=Region> ],
        [ a schema:PropertyValue ;
            schema:name "date" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=date> ;
            schema:unitText "YYYY-MM-DD" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=date> ],
        [ a schema:PropertyValue ;
            schema:name "Station" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=Station> ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=Station> ],
        [ a schema:PropertyValue ;
            schema:name "time" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=time> ;
            schema:unitText "HH:MM" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=time> ],
        [ a schema:PropertyValue ;
            schema:name "long" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=long> ;
            schema:unitText "Decimal degrees" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=long> ],
        [ a schema:PropertyValue ;
            schema:name "depth" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=depth> ;
            schema:unitText "M" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=depth> ],
        [ a schema:PropertyValue ;
            schema:name "temperature" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=temperature> ;
            schema:unitText "deg C" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=temperature> ],
        [ a schema:PropertyValue ;
            schema:name "lat" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=lat> ;
            schema:unitText "Decimal degrees" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=lat> ],
        [ a schema:PropertyValue ;
            schema:name "bottom_depth" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=bottom_depth> ;
            schema:unitText "M" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=bottom_depth> ],
        [ a schema:PropertyValue ;
            schema:name "salinity" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=salinity> ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960#column=salinity> ] ;
    schema:version "1" ;
    owl:versionInfo "1" ;
    dcat:accessURL <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960> ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "[{\"author_name\": \"Greenland Ecosystem Monitoring\"}]" ] ;
    dcat:distribution <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960> ;
    dcat:keyword "ARCTIC",
        "ARCTIC OCEAN",
        "CLIMATE INDICATORS",
        "COASTAL",
        "CTD",
        "ECOSYSTEMS",
        "GREENLAND",
        "MARINE ECOSYSTEMS",
        "OCEAN CHEMISTRY",
        "OCEANOGRAPHY" ;
    dcat:landingPage <https://data.g-e-m.dk/datasets/10.17897/J1J5-W960> ;
    dcat:theme "zackenberg-research-station" .

