@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/KFTT-7051> 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 snow cover is computed for the parts of the musk ox census area that is visible from the slope of Zackenberg where the automatic cameras are placed. Please find link to the shapefile for the region below.\r
Photos from three different camera positions are orthorectified and mosaicked together and the snow cover is computed based on these images. The dataset starts in 2008, but 2009 is missing, because there weren't enough cloudfree days during the snow melting period. \r
The images are captured every day at 13:20, which is solar noon in the Zackenberg valley. """ ;
    dct:identifier "https://data.g-e-m.dk/datasets/10.17897/KFTT-7051" ;
    dct:issued "2026-05-20T13:19:02.276101"^^xsd:dateTime,
        "2026-05-20T16:14:45.413248"^^xsd:dateTime ;
    dct:modified "2026-05-20T16:14:45.403645"^^xsd:dateTime,
        "2026-05-20T16:14:45.406374"^^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 "2014-07-26"^^xsd:date ;
            dcat:startDate "2008-05-04"^^xsd:date ],
        [ a dct:PeriodOfTime ;
            dcat:endDate "2014-07-26"^^xsd:date ;
            dcat:startDate "2008-05-04"^^xsd:date ] ;
    dct:title "Musk_Ox_census_area_Snow_cover" ;
    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/KFTT-7051" ] ;
            schema:name "University of Copenhagen (UCPH - Partner 3)" ] ;
    schema:dateModified "2026-05-20T16:14:45.403645" ;
    schema:datePublished "2020-01-01",
        "2020-01-01T00:00:00" ;
    schema:description """The snow cover is computed for the parts of the musk ox census area that is visible from the slope of Zackenberg where the automatic cameras are placed. Please find link to the shapefile for the region below.\r
Photos from three different camera positions are orthorectified and mosaicked together and the snow cover is computed based on these images. The dataset starts in 2008, but 2009 is missing, because there weren't enough cloudfree days during the snow melting period. \r
The images are captured every day at 13:20, which is solar noon in the Zackenberg valley. """ ;
    schema:distribution <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051> ;
    schema:identifier "https://data.g-e-m.dk/datasets/10.17897/KFTT-7051" ;
    schema:keywords "ARCTIC",
        "CLIMATE INDICATORS",
        "ECOSYSTEMS",
        "GEOGRAPHY",
        "GREENLAND",
        "PHYSICAL GEOGRAPHY",
        "SNOW-ICE" ;
    schema:license "https://creativecommons.org/licenses/by-sa/4.0/" ;
    schema:name "Musk_Ox_census_area_Snow_cover" ;
    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 "2008-05-04/2014-07-26" ;
    schema:url "https://data.g-e-m.dk/datasets/10.17897/KFTT-7051" ;
    schema:variableMeasured [ a schema:PropertyValue ;
            schema:description "-" ;
            schema:name "Date" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051#column=Date> ;
            schema:unitText "YYYY-MM-DD" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051#column=Date> ],
        [ a schema:PropertyValue ;
            schema:description "Snow cover in percent of the total area of the region" ;
            schema:name "Snow_cover_%" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051#column=Snow_cover_%25> ;
            schema:unitText "%" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051#column=Snow_cover_%25> ] ;
    schema:version "1" ;
    owl:versionInfo "1" ;
    dcat:accessURL <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051> ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "[{\"author_name\": \"Greenland Ecosystem Monitoring\"}]" ] ;
    dcat:distribution <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051> ;
    dcat:keyword "ARCTIC",
        "CLIMATE INDICATORS",
        "ECOSYSTEMS",
        "GEOGRAPHY",
        "GREENLAND",
        "PHYSICAL GEOGRAPHY",
        "SNOW-ICE" ;
    dcat:landingPage <https://data.g-e-m.dk/datasets/10.17897/KFTT-7051> ;
    dcat:theme "zackenberg-research-station" .

