{
  "accessUrl": "https://data.icos-cp.eu/objects/WqiS1MjRYILrZq74DFCxaJdC",
  "coverageGeo": {
    "geometry": {
      "coordinates": [1.121, 52.95, 17.0],
      "type": "Point"
    },
    "properties": {
      "label": "WAO"
    },
    "type": "Feature"
  },
  "fileName": "ICOS_ATC_L2_L2-2026.1_WAO_10.0_CTS_CH4.zip",
  "hash": "WqiS1MjRYILrZq74DFCxaJdCyB_lxlAlj54PVFR4qbY",
  "latestVersion": "https://meta.icos-cp.eu/objects/WqiS1MjRYILrZq74DFCxaJdC",
  "parentCollections": [],
  "pid": "11676/WqiS1MjRYILrZq74DFCxaJdC",
  "previousVersion": ["https://meta.icos-cp.eu/objects/c8ZyKQSCUzNK0jDNvwdwgMmU", "https://meta.icos-cp.eu/objects/JEjEW1Q4sncbhrot1tfYloZG"],
  "references": {
    "authors": [{
      "email": "g.forster@uea.ac.uk",
      "firstName": "Grant",
      "lastName": "Forster",
      "orcid": "0000-0003-1783-9307",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Grant_Forster"
      }
    }, {
      "email": "a.manning@uea.ac.uk",
      "firstName": "Andrew",
      "lastName": "Manning",
      "orcid": "0000-0001-6952-7773",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Andrew_Manning"
      }
    }],
    "citationBibTex": "@misc{https://hdl.handle.net/11676/WqiS1MjRYILrZq74DFCxaJdC,\r\n  author={Forster, Grant and Manning, Andrew},\r\n  title={ICOS ATC CH4 Release from Weybourne (10.0 m), 2021-07-01–2026-03-31},\r\n  year={2026},\r\n  url={https://hdl.handle.net/11676/WqiS1MjRYILrZq74DFCxaJdC},\r\n  publisher={Atmosphere Thematic Centre},\r\n  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},\r\n  pid={11676/WqiS1MjRYILrZq74DFCxaJdC}\r\n}",
    "citationRis": "TY - DATA\r\nT1 - ICOS ATC CH4 Release from Weybourne (10.0 m), 2021-07-01–2026-03-31\r\nID - 11676/WqiS1MjRYILrZq74DFCxaJdC\r\nPY - 2026\r\nUR - https://hdl.handle.net/11676/WqiS1MjRYILrZq74DFCxaJdC\r\nPB - Atmosphere Thematic Centre\r\nAU - Forster, Grant\r\nAU - Manning, Andrew\r\nER - ",
    "citationString": "Forster, G., Manning, A. (2026). ICOS ATC CH4 Release from Weybourne (10.0 m), 2021-07-01–2026-03-31, ICOS RI, https://hdl.handle.net/11676/WqiS1MjRYILrZq74DFCxaJdC",
    "licence": {
      "baseLicence": "https://creativecommons.org/licenses/by/4.0",
      "name": "ICOS CCBY4 Data Licence",
      "url": "http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence",
      "webpage": "https://data.icos-cp.eu/licence"
    },
    "temporalCoverageDisplay": "2021-07-01–2026-03-31",
    "title": "ICOS ATC CH4 Release from Weybourne (10.0 m)"
  },
  "size": 789338,
  "specificInfo": {
    "acquisition": {
      "instrument": [{
        "comments": [],
        "label": "FTIR",
        "uri": "http://meta.icos-cp.eu/resources/instruments/ATC_505"
      }, {
        "comments": [],
        "label": "CO2-CH4-H2O Picarro Analyzer",
        "uri": "http://meta.icos-cp.eu/resources/instruments/ATC_1400"
      }],
      "interval": {
        "start": "2021-07-01T00:00:00Z",
        "stop": "2026-03-31T23:00:00Z"
      },
      "samplingHeight": 10.0,
      "station": {
        "countryCode": "GB",
        "id": "WAO",
        "location": {
          "alt": 17.0,
          "label": "WAO",
          "lat": 52.95,
          "lon": 1.121
        },
        "networks": [],
        "org": {
          "name": "Weybourne",
          "self": {
            "comments": [],
            "label": "WAO",
            "uri": "http://meta.icos-cp.eu/resources/stations/AS_WAO"
          },
          "webpageDetails": {
            "coverImage": "https://www.icos-cp.eu/media/342",
            "linkBoxes": [{
              "coverImage": "https://www.icos-cp.eu/media/345",
              "name": "Photos",
              "orderWeight": 0,
              "target": "https://www.flickr.com/photos/icos_ri/albums/72177720311483483"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/346",
              "name": "Station video",
              "orderWeight": 1,
              "target": "https://youtu.be/TGTlsna1b7c?si=dv5nJX_yTyik2Ago"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/347",
              "name": "Story",
              "orderWeight": 2,
              "target": "https://www.icos-cp.eu/exploreicos-weybourne-atmospheric-observations-all-directions"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/341",
              "name": "Data",
              "orderWeight": 3,
              "target": "https://data.icos-cp.eu/portal/#%7B%22filterCategories%22%3A%7B%22station%22%3A%5B%22iAS_WAO%22%5D%7D%7D"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/344",
              "name": "Other ICOS stations",
              "orderWeight": 4,
              "target": "https://www.icos-cp.eu/observations/national-networks"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/343",
              "name": "ICOS United Kingdom",
              "orderWeight": 5,
              "target": "https://www.icos-cp.eu/observations/national-networks/united-kingdom"
            }],
            "self": {
              "comments": ["The ICOS Atmosphere station Weybourne is located in the idyllic village of Weybourne on the North Norfolk coast in the United Kingdom. The station is well situated to sample air masses from various directions: from the United Kingdom, central Europe and occasionally from the Arctic."],
              "label": "WAO elements",
              "uri": "http://meta.icos-cp.eu/resources/icos/WAO-elements"
            }
          }
        },
        "pictures": [],
        "responsibleOrganization": {
          "name": "University of East Anglia",
          "self": {
            "comments": [],
            "label": "UEA",
            "uri": "http://meta.icos-cp.eu/resources/organizations/UEA"
          },
          "website": "https://www.uea.ac.uk"
        },
        "specificInfo": {
          "_type": "atc",
          "discontinued": false,
          "documentation": [{
            "hash": "TMYd3BM0sHjYapI_xVIZ0Ebb2EPX7yqvQKP5y6qbRkU",
            "name": "STILT station characterization for Weybourne at 10m",
            "res": "https://meta.icos-cp.eu/objects/TMYd3BM0sHjYapI_xVIZ0Ebb"
          }],
          "labelingDate": "2021-11-17",
          "stationClass": "2",
          "theme": {
            "icon": "https://static.icos-cp.eu/images/themes/atm.svg",
            "markerIcon": "https://static.icos-cp.eu/share/stations/icons/as.png",
            "self": {
              "comments": [],
              "label": "Atmospheric data",
              "uri": "http://meta.icos-cp.eu/resources/themes/atmosphere"
            }
          },
          "timeZoneOffset": 0,
          "wigosId": "0-20008-0-WAO"
        }
      }
    },
    "columns": [{
      "label": "TIMESTAMP",
      "model": {
        "comments": [],
        "label": "TIMESTAMP (ISO)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/timeStampColumn"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/iso8601dateTime",
      "valueType": {
        "self": {
          "comments": [],
          "label": "time instant, UTC",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/timeStamp"
        }
      }
    }, {
      "isFlagFor": ["http://meta.icos-cp.eu/resources/cpmeta/co2atcMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/ch4atcMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/coAtcMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/n2oAtcMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/14C", "http://meta.icos-cp.eu/resources/cpmeta/rn_radon_conc"],
      "label": "Flag",
      "model": {
        "comments": [],
        "label": "Flag",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/flag"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/bmpChar",
      "valueType": {
        "self": {
          "comments": ["single-letter quality flag"],
          "label": "quality flag",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/oneLetterFlag"
        }
      }
    }, {
      "label": "NbPoints",
      "model": {
        "comments": [],
        "label": "NbPoints",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/nbpoints"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/int32",
      "valueType": {
        "quantityKind": {
          "comments": [],
          "label": "cardinal number",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/cardinalNumber"
        },
        "self": {
          "comments": [],
          "label": "number of points",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/npoints"
        }
      }
    }, {
      "label": "ch4",
      "model": {
        "comments": [],
        "label": "ch4 (ATC, dry air mole fraction, ppb)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/ch4atcMoleFrac"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/float32",
      "valueType": {
        "quantityKind": {
          "comments": ["Magnitude of a part of a whole. Can be measured in percent, or be a number between 0 and maximum (inclusive)."],
          "label": "portion",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/portion"
        },
        "self": {
          "comments": [],
          "label": "CH4 (dry air mole fraction)",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/ch4MixingRatioPpb"
        },
        "unit": "nmol mol-1"
      }
    }, {
      "label": "Stdev",
      "model": {
        "comments": [],
        "label": "Stdev (ATC, ppb)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/stdevAtcMoleFracPpb"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/float32",
      "valueType": {
        "quantityKind": {
          "comments": ["Magnitude of a part of a whole. Can be measured in percent, or be a number between 0 and maximum (inclusive)."],
          "label": "portion",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/portion"
        },
        "self": {
          "comments": [],
          "label": "standard deviation of gas mole fraction",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/moleFractionSdPpb"
        },
        "unit": "nmol mol-1"
      }
    }],
    "nRows": 41640,
    "productionInfo": {
      "contributors": [{
        "name": "ICOS-CAL-FCL",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/organizations/ICOS-CAL-FCL"
        }
      }],
      "creator": {
        "name": "Atmosphere Thematic Centre",
        "self": {
          "comments": [],
          "label": "ICOS ATC",
          "uri": "http://meta.icos-cp.eu/resources/organizations/ATC"
        }
      },
      "dateTime": "2026-07-01T14:11:35Z",
      "host": {
        "name": "Atmosphere Thematic Centre",
        "self": {
          "comments": [],
          "label": "ICOS ATC",
          "uri": "http://meta.icos-cp.eu/resources/organizations/ATC"
        }
      },
      "sources": []
    }
  },
  "specification": {
    "dataLevel": 2,
    "datasetSpec": {
      "self": {
        "comments": [],
        "label": "Atmospheric CH4 mole fraction time series",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcCh4MoleFracTimeSer"
      }
    },
    "documentation": [],
    "encoding": {
      "comments": [],
      "label": "zip",
      "uri": "http://meta.icos-cp.eu/ontologies/cpmeta/zipEncoding"
    },
    "format": {
      "goodFlagValues": ["R", "U", "O"],
      "self": {
        "comments": ["Semicolon-separated ASCII, with #-prefixed multi-line header. Timestamp is represented my multiple columns (year, month, day, etc.)"],
        "label": "ICOS ATC time series",
        "uri": "http://meta.icos-cp.eu/ontologies/cpmeta/asciiAtcProductTimeSer"
      },
      "uri": "http://meta.icos-cp.eu/ontologies/cpmeta/asciiAtcProductTimeSer"
    },
    "keywords": ["CH4", "dry air mole fraction"],
    "project": {
      "keywords": ["ICOS"],
      "self": {
        "comments": ["Official ICOS data"],
        "label": "ICOS",
        "uri": "http://meta.icos-cp.eu/resources/projects/icos"
      }
    },
    "self": {
      "comments": ["Quality-controlled data on molar fraction of atmospheric CH4"],
      "label": "ICOS ATC CH4 Release",
      "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcCh4L2DataObject"
    },
    "specificDatasetType": "StationTimeSeries",
    "theme": {
      "icon": "https://static.icos-cp.eu/images/themes/atm.svg",
      "markerIcon": "https://static.icos-cp.eu/share/stations/icons/as.png",
      "self": {
        "comments": [],
        "label": "Atmospheric data",
        "uri": "http://meta.icos-cp.eu/resources/themes/atmosphere"
      }
    }
  },
  "submission": {
    "start": "2026-07-01T14:11:35.235512322Z",
    "stop": "2026-07-01T14:11:37.445240919Z",
    "submitter": {
      "name": "Atmosphere Thematic Centre",
      "self": {
        "comments": [],
        "label": "ICOS ATC",
        "uri": "http://meta.icos-cp.eu/resources/organizations/ATC"
      }
    }
  }
}