@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 "River discharge measured with continuous water level measurements converted by a stage-discharge relation based on manual discharge measurements. 60 min sample values in m3/s. The hydrometric station (station nr. 658) is located close to the outlet of the Langesø Lake, SE of Badesø. Water level is measured with stand-alone pressure sensors with integrated memory, and data must be collected in the field during ice-free conditions. New data deliveries therefore stop in September/October instead of December. The stage-discharge relation was established in 2024." ; dct:identifier "https://data.g-e-m.dk/datasets/10.17897/GS2Q-2R33" ; dct:issued "2026-05-21T16:38:24.343957"^^xsd:dateTime, "2026-05-21T16:40:55.751959"^^xsd:dateTime ; dct:modified "2026-05-21T16:40:55.744644"^^xsd:dateTime, "2026-05-21T16:40:55.746398"^^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 ((-51.3413 64.1306, -51.3413 64.1306, -51.3413 64.1306, -51.3413 64.1306))"^^gsp:wktLiteral ] ; dct:temporal [ a dct:PeriodOfTime ; dcat:endDate "2024-09-24"^^xsd:date ; dcat:startDate "2020-09-22"^^xsd:date ], [ a dct:PeriodOfTime ; dcat:endDate "2024-09-24"^^xsd:date ; dcat:startDate "2020-09-22"^^xsd:date ] ; dct:title "Discharge @ river Langesø (m3/s)" ; 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/GS2Q-2R33" ] ; schema:name "University of Copenhagen (UCPH - Partner 3)" ] ; schema:dateModified "2026-05-21T16:40:55.744644" ; schema:datePublished "2020-01-01", "2020-01-01T00:00:00" ; schema:description "River discharge measured with continuous water level measurements converted by a stage-discharge relation based on manual discharge measurements. 60 min sample values in m3/s. The hydrometric station (station nr. 658) is located close to the outlet of the Langesø Lake, SE of Badesø. Water level is measured with stand-alone pressure sensors with integrated memory, and data must be collected in the field during ice-free conditions. New data deliveries therefore stop in September/October instead of December. The stage-discharge relation was established in 2024." ; schema:distribution ; schema:identifier "https://data.g-e-m.dk/datasets/10.17897/GS2Q-2R33" ; schema:keywords "ARCTIC", "ATMOSPHERE", "CLIMATE INDICATORS", "CLIMATOLOGY", "ECOSYSTEMS", "GREENLAND", "HYDROLOGY", "METEOROLOGY", "RIVERS-STREAMS" ; schema:license "https://creativecommons.org/licenses/by-sa/4.0/" ; schema:name "Discharge @ river Langesø (m3/s)" ; 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\": [[[-51.341251373291016, 64.13056945800781], [-51.341251373291016, 64.13056945800781], [-51.341251373291016, 64.13056945800781], [-51.341251373291016, 64.13056945800781]]]}" ] ] ; schema:temporalCoverage "2020-09-22/2024-09-24" ; schema:url "https://data.g-e-m.dk/datasets/10.17897/GS2Q-2R33" ; schema:variableMeasured [ a schema:PropertyValue ; schema:description "Flag assigned during quality control. Flag = \"fair\" is assigned instead of good to indicate where a value is interpolated, or, where only 1 timeseries has been used where it is normal to take the average of 2 timeseries. Flag = unknown is equivalent to the flag \"good\" or \"fair\" and is due a change in proceedures. Work is underway to update these flags." ; schema:name "Quality Flag" ; schema:propertyID ; schema:url ], [ a schema:PropertyValue ; schema:description "Time of observation. WGWT (UTC-3)" ; schema:name "Time" ; schema:propertyID ; schema:unitText "HH:MM" ; schema:url ], [ a schema:PropertyValue ; schema:description "Date of observation" ; schema:name "Date" ; schema:propertyID ; schema:unitText "YYYY-MM-DD" ; schema:url ], [ a schema:PropertyValue ; schema:description "Data comments:" ; schema:name "Q (m3/s)" ; schema:propertyID ; schema:unitText "m³/s" ; 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", "ATMOSPHERE", "CLIMATE INDICATORS", "CLIMATOLOGY", "ECOSYSTEMS", "GREENLAND", "HYDROLOGY", "METEOROLOGY", "RIVERS-STREAMS" ; dcat:landingPage ; dcat:theme "greenland-institute-of-natural-resources" .