@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/W1H5-YE53> 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 two sampling lakes are located in the Kobbefjord catchment area in the bottom of Kobbefjord (Badesø / Kangerluarsunnguup Tasia: 64,13ºN, 51,36ºW and Qassi Sø: 64,15ºN, 51,31ºW). They are monitored monthly during the ice-free period. Monitoring include ice cover estimation, water chemistry, DOC (dissolved organic carbon), chlorophyll a, physical conditions, species composition of plankton, vegetation and fish. For further details, please refer to the newest BioBasis manual available at the website." ;
    dct:identifier "https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53" ;
    dct:issued "2026-05-21T16:37:55.152860"^^xsd:dateTime,
        "2026-05-21T16:40:24.705433"^^xsd:dateTime ;
    dct:modified "2026-05-21T16:40:24.697639"^^xsd:dateTime,
        "2026-05-21T16:40:24.699631"^^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 ((-51.3800 64.1300, -51.3800 64.1300, -51.3800 64.1300, -51.3800 64.1300))"^^gsp:wktLiteral ] ;
    dct:temporal [ a dct:PeriodOfTime ;
            dcat:endDate "2024-10-07"^^xsd:date ;
            dcat:startDate "2008-06-07"^^xsd:date ],
        [ a dct:PeriodOfTime ;
            dcat:endDate "2024-10-07"^^xsd:date ;
            dcat:startDate "2008-06-07"^^xsd:date ] ;
    dct:title "Water chemistry and chlorophyll a" ;
    schema:about [ a schema:Thing ;
            schema:name "greenland-institute-of-natural-resources" ] ;
    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/W1H5-YE53" ] ;
            schema:name "University of Copenhagen (UCPH - Partner 3)" ] ;
    schema:dateModified "2026-05-21T16:40:24.697639" ;
    schema:datePublished "2020-01-01",
        "2020-01-01T00:00:00" ;
    schema:description "The two sampling lakes are located in the Kobbefjord catchment area in the bottom of Kobbefjord (Badesø / Kangerluarsunnguup Tasia: 64,13ºN, 51,36ºW and Qassi Sø: 64,15ºN, 51,31ºW). They are monitored monthly during the ice-free period. Monitoring include ice cover estimation, water chemistry, DOC (dissolved organic carbon), chlorophyll a, physical conditions, species composition of plankton, vegetation and fish. For further details, please refer to the newest BioBasis manual available at the website." ;
    schema:distribution <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53> ;
    schema:identifier "https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53" ;
    schema:keywords "ARCTIC",
        "BIOLOGY",
        "BIOSPHERE",
        "CLIMATE INDICATORS",
        "ECOSYSTEMS",
        "FRESHWATER ECOSYSTEMS",
        "GREENLAND",
        "LAKE-POND",
        "TERRESTRIAL ECOSYSTEMS" ;
    schema:license "https://creativecommons.org/licenses/by-sa/4.0/" ;
    schema:name "Water chemistry and chlorophyll a" ;
    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\": [[[-51.38, 64.13], [-51.38, 64.13], [-51.38, 64.13], [-51.38, 64.13]]]}" ] ] ;
    schema:temporalCoverage "2008-06-07/2024-10-07" ;
    schema:url "https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53" ;
    schema:variableMeasured [ a schema:PropertyValue ;
            schema:description "Temperature (Celcius) of samples from water column" ;
            schema:name "Temperature_Column" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Temperature_Column> ;
            schema:unitText "Celcius" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Temperature_Column> ],
        [ a schema:PropertyValue ;
            schema:description "Total phosphor (mg/L) of pooled water sample" ;
            schema:name "TP" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=TP> ;
            schema:unitText "mg/L" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=TP> ],
        [ a schema:PropertyValue ;
            schema:description "Temperature (Celcius) of water surface" ;
            schema:name "Temperature_Surface" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Temperature_Surface> ;
            schema:unitText "Celcius" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Temperature_Surface> ],
        [ a schema:PropertyValue ;
            schema:description "Depths (m) of sampling points in water column" ;
            schema:name "Depth_Column" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Depth_Column> ;
            schema:unitText "M" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Depth_Column> ],
        [ a schema:PropertyValue ;
            schema:description "pH of pooled water sample" ;
            schema:name "pH" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=pH> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=pH> ],
        [ a schema:PropertyValue ;
            schema:description "The percentage of ice cover at census" ;
            schema:name "IceCover" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=IceCover> ;
            schema:unitText "%" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=IceCover> ],
        [ a schema:PropertyValue ;
            schema:description "Chlorophyll a (µg/L) of pooled water sample" ;
            schema:name "Chla_water" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Chla_water> ;
            schema:unitText "µg/l" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Chla_water> ],
        [ a schema:PropertyValue ;
            schema:description "Remarks" ;
            schema:name "Remarks" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Remarks> ;
            schema:unitText "Text" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Remarks> ],
        [ a schema:PropertyValue ;
            schema:description "Temperature (Celsius) of pooled watersample" ;
            schema:name "Temperature" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Temperature> ;
            schema:unitText "Celcius" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Temperature> ],
        [ a schema:PropertyValue ;
            schema:description "Latitude of lake station" ;
            schema:name "Latitude" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Latitude> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Latitude> ],
        [ a schema:PropertyValue ;
            schema:description "Longitude of lake station" ;
            schema:name "Longitude" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Longitude> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Longitude> ],
        [ a schema:PropertyValue ;
            schema:description "Secchi depth (m)" ;
            schema:name "SecchiDepth" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=SecchiDepth> ;
            schema:unitText "M" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=SecchiDepth> ],
        [ a schema:PropertyValue ;
            schema:description "Date of sampling" ;
            schema:name "Date" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Date> ;
            schema:unitText "Date" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Date> ],
        [ a schema:PropertyValue ;
            schema:description "Total nitrogen (mg/L) of pooled water sample" ;
            schema:name "TN" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=TN> ;
            schema:unitText "mg/L" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=TN> ],
        [ a schema:PropertyValue ;
            schema:description "Name of lake sampled" ;
            schema:name "Lake" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Lake> ;
            schema:unitText "Text" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Lake> ],
        [ a schema:PropertyValue ;
            schema:description "Conductivity (µS/cm) given for a standard temperature of 25°C of pooled water sample" ;
            schema:name "Conductivity" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Conductivity> ;
            schema:unitText "µS/cm" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53#column=Conductivity> ] ;
    schema:version "1" ;
    owl:versionInfo "1" ;
    dcat:accessURL <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53> ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "[{\"author_name\": \"Greenland Ecosystem Monitoring\"}]" ] ;
    dcat:distribution <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53> ;
    dcat:keyword "ARCTIC",
        "BIOLOGY",
        "BIOSPHERE",
        "CLIMATE INDICATORS",
        "ECOSYSTEMS",
        "FRESHWATER ECOSYSTEMS",
        "GREENLAND",
        "LAKE-POND",
        "TERRESTRIAL ECOSYSTEMS" ;
    dcat:landingPage <https://data.g-e-m.dk/datasets/10.17897/W1H5-YE53> ;
    dcat:theme "greenland-institute-of-natural-resources" .