@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 xsd: <http://www.w3.org/2001/XMLSchema#> .

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        schema:Dataset,
        dcat:Dataset,
        dcat:Distribution,
        foaf:Document ;
    dct:description """This dataset contains time series of turbulent exchange of CO2, heat and momentum measured at two heights at SMEAR I research station in Värriö, Salla, Finland, during years 2012–2021. The flux measurements were done in tower above the forest and at 2.5 m height below the canopy.

The data were exported from SMEAR database on the dataset release date. Most recent version of the data are available at https://smear.avaa.csc.fi/.
""" ;
    dct:identifier "https://doi.org/doi:10.23729/0e246aaf-ca1b-4e14-80a5-9647fe4c207d" ;
    dct:issued "2026-05-20T13:46:25.701263"^^xsd:dateTime,
        "2026-05-20T16:23:17.274222"^^xsd:dateTime ;
    dct:modified "2026-05-20T16:45:01.663517"^^xsd:dateTime,
        "2026-05-20T21:38:16.967933"^^xsd:dateTime ;
    dct:publisher [ a foaf:Agent ;
            foaf:name "University of Helsinki" ],
        [ a foaf:Agent ;
            foaf:name "University of Helsinki" ] ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POINT (29.6099 67.7549)"^^gsp:wktLiteral ] ;
    dct:temporal [ a dct:PeriodOfTime ;
            dcat:endDate "2021-12-31"^^xsd:date ;
            dcat:startDate "2012-01-01"^^xsd:date ],
        [ a dct:PeriodOfTime ;
            dcat:endDate "2021-12-31"^^xsd:date ;
            dcat:startDate "2012-01-01"^^xsd:date ] ;
    dct:title "SMEAR I Värriö forest eddy covariance" ;
    schema:about [ a schema:Thing ;
            schema:name "agriculture" ;
            schema:url "https://dataportal.dev.inkode.org/group/30a2f969-5b96-4b09-9b3b-14da3c16f146" ],
        [ a schema:Thing ;
            schema:name "varrio-subarctic-research-station" ],
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            schema:name "land-surface" ;
            schema:url "https://dataportal.dev.inkode.org/group/3cffa05f-57a4-4af9-87b7-4f853adc96bc" ] ;
    schema:creator [ a schema:Organization ;
            schema:contactPoint [ a schema:ContactPoint ;
                    schema:contactType "customer service" ;
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                    schema:url "https://doi.org/doi:10.23729/0e246aaf-ca1b-4e14-80a5-9647fe4c207d" ] ;
            schema:name "University of Helsinki (UH - Partner 15)" ] ;
    schema:dateModified "2026-05-20T21:38:16.967933" ;
    schema:datePublished "2022-04-22",
        "2022-04-22T00:00:00" ;
    schema:description """This dataset contains time series of turbulent exchange of CO2, heat and momentum measured at two heights at SMEAR I research station in Värriö, Salla, Finland, during years 2012–2021. The flux measurements were done in tower above the forest and at 2.5 m height below the canopy.

The data were exported from SMEAR database on the dataset release date. Most recent version of the data are available at https://smear.avaa.csc.fi/.
""" ;
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    schema:identifier "https://doi.org/doi:10.23729/0e246aaf-ca1b-4e14-80a5-9647fe4c207d" ;
    schema:keywords "Pinus sylvestris",
        "Scots pine",
        "SmartSMEAR",
        "evapotranspiration",
        "gross primary productivity",
        "net ecosystem exchange",
        "sensible heat flux" ;
    schema:license "https://spdx.org/licenses/CC-BY-SA-4.0" ;
    schema:name "SMEAR I Värriö forest eddy covariance" ;
    schema:provider [ a schema:Organization ;
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    schema:publisher [ a schema:Organization ;
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            schema:name "University of Helsinki" ] ;
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    schema:temporalCoverage "2012-01-01/2021-12-31" ;
    schema:url "https://doi.org/doi:10.23729/0e246aaf-ca1b-4e14-80a5-9647fe4c207d" ;
    schema:variableMeasured [ a schema:PropertyValue ;
            schema:name "Momentum flux" ;
            schema:unitText "kg m⁻¹ s⁻²" ],
        [ a schema:PropertyValue ;
            schema:name "Wind speed" ;
            schema:unitText "m s⁻¹" ],
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            schema:name "Gross primary production" ;
            schema:unitText "µmol m⁻² s⁻¹" ],
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            schema:name "Friction velocity" ;
            schema:unitText "m s⁻¹" ],
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            schema:name "Wind direction" ;
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        [ a schema:PropertyValue ;
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        [ a schema:PropertyValue ;
            schema:name "Sensible heat flux" ;
            schema:unitText "W m⁻²" ],
        [ a schema:PropertyValue ;
            schema:name "Evapotranspiration" ;
            schema:unitText "mmol m⁻² s⁻¹" ] ;
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    owl:versionInfo "1.0" ;
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