{"ob_id":28182,"uuid":"1328bfce79de47bca0d9dc90f90ad7c3","title":"Kjølnes Atmospheric Observatory (KJN): High-precision long-term atmospheric measurements of greenhouse gases (CO, CO2, N2O and CH4) using Off-Axis Integrated-Cavity Output Spectroscopy (OA-ICOS).","abstract":"This dataset contains high-precision long-term atmospheric measurements of greenhouse gases (CO, CO2, N2O and CH4 ) using Off-Axis Integrated-Cavity Output Spectroscopy  (OA-ICOS). The measurements were taken at Kjølnes Atmospheric Observatory (KJN).\r\n\r\nThe Kjølnes Atmospheric Observatory (70°51'07.9\\\"N 29°13'56.3\\\"E) has been operational since August 2013. Two OA-ICOS devices, connected in series and sharing a suite of calibration and reference gases, have been employed to make continuous measurements of atmospheric CO2, CH4, N2O and CO concentrations. The data are calibrated by performing a linear regression upon the weekly measurements of three calibration (tied to the latest NOAA calibration scales) cylinders. The quality control procedure incorporates regular measurements of a dedicated reference cylinder (Target Tank), carefully calibrated at Max-Planck Institute for Biogeochemistry (Germany).","keywords":"Kjølnes Atmospheric Observatory, KJN, greenhouse gas","publicationState":"published","dataPublishedTime":"2019-11-06T17:35:36","doiPublishedTime":null,"updateFrequency":"asNeeded","status":"ongoing","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/28215/?format=json","dataPath":"/badc/kjolnes-observatory/data/mp-oa-icos","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":7368075,"numberOfFiles":143,"fileFormat":"Data are BADC-CSV formatted."},"timePeriod":"https://catalogue.ceda.ac.uk/api/v2/times/7585/?format=json","geographicExtent":"https://catalogue.ceda.ac.uk/api/v2/bboxes/2544/?format=json","nonGeographicFlag":false,"phenomena":["https://catalogue.ceda.ac.uk/api/v2/phenomona/61123/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/61124/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/61125/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/61126/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/61127/?format=json"],"dataLineage":"Data were collected by collaboration between the University of Exeter and the Max Planck Institute for Biogeochemistry; and deposited at the Centre for Environmental Data Analysis (CEDA) for archiving.","removedDataTime":null,"removedDataReason":"","language":"English","identifier_set":[],"projects":["https://catalogue.ceda.ac.uk/api/v2/projects/28185/?format=json"],"observationcollection_set":["https://catalogue.ceda.ac.uk/api/v2/observationcollections/24762/?format=json"],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/118772/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118775/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118769/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118773/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118771/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118770/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118776/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118774/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118780/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118777/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118778/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/118779/?format=json"],"procedureAcquisition":"https://catalogue.ceda.ac.uk/api/v2/acquisitions/28184/?format=json","procedureCompositeProcess":null,"procedureComputation":null,"permissions":[{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/2522/?format=json","useLimitation":null,"accessConstraints":null,"accessCategory":"registered","accessRoles":null,"label":"registered: None group","licenceURL":"http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","licenceClassifications":"any"}],"discoveryKeywords":[{"ob_id":1138,"name":"NDGO0003"}]}