@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix gsp: . @prefix locn: . @prefix owl: . @prefix schema: . @prefix vcard: . @prefix xsd: . 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 """M3 is one of six meteorological stations in the Zackenberg and Store Sødal Valley. Data from the station is found under meteorology (wind, temperature and relative humidity, short wave and long wave radiation, as well as NDVI), soil properties (soil moisture and soil heat flux) and snow properties (snow depth).\r M3 is located on a gently south-west facing slope, half way up the mountain Aucella, in an elevation of 420 meters. The station was installed in 2003 and data recorded every half hour, except snow depth and soil moisture which was recorded every 6th hour until august 2012.\r The vegetation underneath the mast is dominated by Salix Arctica.\r Data was iniatially recorded using a CR10x Campbell scientific data logger, but this was changed to a CR1000 data logger in August 2012. \r Blank cells are missing data.""" ; dct:identifier "https://data.g-e-m.dk/datasets/10.17897/WTPN-HH72" ; dct:issued "2026-05-20T13:19:40.763312"^^xsd:dateTime, "2026-05-20T16:15:01.564045"^^xsd:dateTime ; dct:modified "2026-05-20T16:15:01.553139"^^xsd:dateTime, "2026-05-20T16:15:01.556764"^^xsd:dateTime ; dct:publisher [ a foaf:Agent ; foaf:homepage ; foaf:name "Greenland Ecosystem Monitoring" ], [ a foaf:Agent ; foaf:homepage ; foaf:name "Greenland Ecosystem Monitoring" ] ; dct:spatial [ a dct:Location ; locn:geometry "POLYGON ((-20.4594 74.5031, -20.4594 74.5031, -20.4594 74.5031, -20.4594 74.5031))"^^gsp:wktLiteral ] ; dct:temporal [ a dct:PeriodOfTime ; dcat:endDate "2024-09-09"^^xsd:date ; dcat:startDate "2003-08-26"^^xsd:date ], [ a dct:PeriodOfTime ; dcat:endDate "2024-09-09"^^xsd:date ; dcat:startDate "2003-08-26"^^xsd:date ] ; dct:title "M3" ; 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/WTPN-HH72" ] ; schema:name "University of Copenhagen (UCPH - Partner 3)" ] ; schema:dateModified "2026-05-20T16:15:01.553139" ; schema:datePublished "2020-01-01", "2020-01-01T00:00:00" ; schema:description """M3 is one of six meteorological stations in the Zackenberg and Store Sødal Valley. Data from the station is found under meteorology (wind, temperature and relative humidity, short wave and long wave radiation, as well as NDVI), soil properties (soil moisture and soil heat flux) and snow properties (snow depth).\r M3 is located on a gently south-west facing slope, half way up the mountain Aucella, in an elevation of 420 meters. The station was installed in 2003 and data recorded every half hour, except snow depth and soil moisture which was recorded every 6th hour until august 2012.\r The vegetation underneath the mast is dominated by Salix Arctica.\r Data was iniatially recorded using a CR10x Campbell scientific data logger, but this was changed to a CR1000 data logger in August 2012. \r Blank cells are missing data.""" ; schema:distribution ; schema:identifier "https://data.g-e-m.dk/datasets/10.17897/WTPN-HH72" ; schema:keywords "ARCTIC", "ARCTIC TUNDRA", "CLIMATE INDICATORS", "ECOSYSTEMS", "GEOGRAPHY", "GREENLAND", "PHYSICAL GEOGRAPHY", "SOILS" ; schema:license "https://creativecommons.org/licenses/by-sa/4.0/" ; schema:name "M3" ; 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\": [[[-20.459354400634766, 74.50310516357422], [-20.459354400634766, 74.50310516357422], [-20.459354400634766, 74.50310516357422], [-20.459354400634766, 74.50310516357422]]]}" ] ] ; schema:temporalCoverage "2003-08-26/2024-09-09" ; schema:url "https://data.g-e-m.dk/datasets/10.17897/WTPN-HH72" ; schema:variableMeasured [ a schema:PropertyValue ; schema:description "Soil heat flux measured in watts per sqaure meter, flux plate installed in 1 cms depth" ; schema:name "Soil Heat Flux W/m^2" ; schema:propertyID ; schema:unitText "W m-2" ; schema:url ], [ a schema:PropertyValue ; schema:description "Soil moisture in 10 cms depth measured in %" ; schema:name "Soil moisture 0.1m %" ; schema:propertyID ; schema:unitText "%" ; schema:url ], [ a schema:PropertyValue ; schema:description "Soil moisture in 30 cms depth measured in %" ; schema:name "Soil moisture 0.3m %" ; schema:propertyID ; schema:unitText "%" ; schema:url ], [ a schema:PropertyValue ; schema:description "-" ; schema:name "Date" ; schema:propertyID ; schema:unitText "YYYY-MM-DD" ; schema:url ], [ a schema:PropertyValue ; schema:description "-" ; schema:name "Time" ; schema:propertyID ; schema:unitText "HH:MM" ; schema:url ] ; schema:version "1" ; owl:versionInfo "1" ; dcat:accessURL ; dcat:contactPoint [ a vcard:Organization ; vcard:fn "[{\"author_name\": \"Greenland Ecosystem Monitoring\"}]" ] ; dcat:distribution ; dcat:keyword "ARCTIC", "ARCTIC TUNDRA", "CLIMATE INDICATORS", "ECOSYSTEMS", "GEOGRAPHY", "GREENLAND", "PHYSICAL GEOGRAPHY", "SOILS" ; dcat:landingPage ; dcat:theme "zackenberg-research-station" .