{
  "accessUrl": "https://data.icos-cp.eu/objects/ji0NIbaswU_slc61_EvUVe87",
  "coverageGeo": {
    "geometry": {
      "coordinates": [-6.734, 37.104, 42.0],
      "type": "Point"
    },
    "properties": {
      "label": "ARN"
    },
    "type": "Feature"
  },
  "fileName": "ICOS_ATC_OBSPACK-Europe-L2-2026_ARN_50.0_CTS_CO2.zip",
  "hash": "ji0NIbaswU_slc61_EvUVe87eiPG3R50ei1aijcIUmI",
  "latestVersion": "https://meta.icos-cp.eu/objects/ji0NIbaswU_slc61_EvUVe87",
  "parentCollections": [{
    "comments": [],
    "label": "European atmospheric CO2, CH4 and N2O Mole Fraction data product - 2026",
    "uri": "https://meta.icos-cp.eu/collections/sd0QMJq6sKvWArAeQxSX4arF"
  }],
  "pid": "11676/ji0NIbaswU_slc61_EvUVe87",
  "references": {
    "authors": [{
      "email": "yelam@inta.es",
      "firstName": "Margarita",
      "lastName": "Yela",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Margarita_Yela"
      }
    }, {
      "email": "adamecj@inta.es",
      "firstName": "José",
      "lastName": "Adame",
      "orcid": "0000-0002-6302-7193",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Jos%C3%A9%20Antonio_Adame-Carnero"
      }
    }],
    "citationBibTex": "@misc{https://hdl.handle.net/11676/ji0NIbaswU_slc61_EvUVe87,\r\n  author={Yela, Margarita and Adame, José},\r\n  title={Atmospheric CO2 product from El Arenosillo (50.0 m), 2024-02-26–2026-03-31},\r\n  year={2026},\r\n  url={https://hdl.handle.net/11676/ji0NIbaswU_slc61_EvUVe87},\r\n  publisher={Atmosphere Thematic Centre},\r\n  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},\r\n  pid={11676/ji0NIbaswU_slc61_EvUVe87}\r\n}",
    "citationRis": "TY - DATA\r\nT1 - Atmospheric CO2 product from El Arenosillo (50.0 m), 2024-02-26–2026-03-31\r\nID - 11676/ji0NIbaswU_slc61_EvUVe87\r\nPY - 2026\r\nUR - https://hdl.handle.net/11676/ji0NIbaswU_slc61_EvUVe87\r\nPB - Atmosphere Thematic Centre\r\nAU - Yela, Margarita\r\nAU - Adame, José\r\nER - ",
    "citationString": "Yela, M., Adame, J. (2026). Atmospheric CO2 product from El Arenosillo (50.0 m), 2024-02-26–2026-03-31, European ObsPack, https://hdl.handle.net/11676/ji0NIbaswU_slc61_EvUVe87",
    "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": "2024-02-26–2026-03-31",
    "title": "Atmospheric CO2 product from El Arenosillo (50.0 m)"
  },
  "size": 277487,
  "specificInfo": {
    "acquisition": {
      "instrument": {
        "comments": [],
        "label": "CO2-CH4-CO-H2O Picarro Analyzer",
        "uri": "http://meta.icos-cp.eu/resources/instruments/ATC_1513"
      },
      "interval": {
        "start": "2024-02-26T00:00:00Z",
        "stop": "2026-03-31T23:00:00Z"
      },
      "samplingHeight": 50.0,
      "station": {
        "countryCode": "ES",
        "id": "ARN",
        "location": {
          "alt": 42.0,
          "label": "ARN",
          "lat": 37.104,
          "lon": -6.734
        },
        "networks": [],
        "org": {
          "name": "El Arenosillo",
          "self": {
            "comments": [],
            "label": "ARN",
            "uri": "http://meta.icos-cp.eu/resources/stations/AS_ARN"
          },
          "webpageDetails": {
            "coverImage": "https://www.icos-cp.eu/media/308",
            "linkBoxes": [{
              "coverImage": "https://www.icos-cp.eu/media/311",
              "name": "Photos",
              "orderWeight": 0,
              "target": "https://www.flickr.com/photos/icos_ri/albums/72177720310692485"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/309",
              "name": "Station video",
              "orderWeight": 1,
              "target": "https://www.youtube.com/watch?v=XXBEp7xJG8s"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/310",
              "name": "Story",
              "orderWeight": 2,
              "target": "https://www.icos-cp.eu/exploreicos-only-icos-tall-tower-iberian-peninsula"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/314",
              "name": "Data",
              "orderWeight": 3,
              "target": "https://data.icos-cp.eu/portal/#%7B%22filterCategories%22:%7B%22station%22:%5B%22iAS_ARN%22%5D%7D%7D"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/312",
              "name": "Other ICOS Stations",
              "orderWeight": 4,
              "target": "https://www.icos-cp.eu/observations/national-networks"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/313",
              "name": "ICOS Spain",
              "orderWeight": 5,
              "target": "https://www.icos-cp.eu/observations/national-networks/spain"
            }],
            "self": {
              "comments": ["In the midst of lush pine trees next to sand dunes and the Atlantic Ocean, the 100 meter high El Arenosillo tower overlooks the protected Doñana National Park and the Gulf of Cádiz. The station is strategically located in the southwestern Iberian Peninsula, on the Atlantic coast, in a transition region influenced by air masses from the North Atlantic, the western Mediterranean, continental Europe, and North Africa."],
              "label": "ARN elements",
              "uri": "http://meta.icos-cp.eu/resources/icos/ARN-elements"
            }
          }
        },
        "pictures": [],
        "responsibleOrganization": {
          "name": "National Institute of Aerospace Technology",
          "self": {
            "comments": [],
            "label": "INTA",
            "uri": "http://meta.icos-cp.eu/resources/organizations/INTA"
          },
          "website": "https://www.inta.es/INTA"
        },
        "specificInfo": {
          "_type": "atc",
          "discontinued": false,
          "documentation": [],
          "labelingDate": "2025-11-26",
          "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": 1,
          "wigosId": "0-20008-0-ARN"
        }
      }
    },
    "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"
        }
      }
    }, {
      "label": "co2",
      "model": {
        "comments": [],
        "label": "co2 (ATC, dry air mole fraction, ppm)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/co2atcMoleFrac"
      },
      "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": "CO2 (dry air mole fraction)",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/co2MixingRatio"
        },
        "unit": "µmol mol-1"
      }
    }, {
      "label": "Stdev",
      "model": {
        "comments": [],
        "label": "Stdev (ATC, ppm)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/stdevAtcMoleFracPpm"
      },
      "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/moleFractionSdPpm"
        },
        "unit": "µmol mol-1"
      }
    }, {
      "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"
        }
      }
    }],
    "nRows": 18360,
    "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": "2026-08-06T12:15:39Z",
      "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 CO2 mole fraction time series",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcCo2MoleFracTimeSer"
      }
    },
    "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": ["dry air mole fraction", "CO2"],
    "project": {
      "self": {
        "comments": ["European atmospheric measurement data, produced and supplied by Atmospheric Thematic Center in a fashion similar to ICOS, but also including non-ICOS stations and pre-ICOS historical observations. These data are also submitted for inclusion in ObsPack by NOAA."],
        "label": "European ObsPack",
        "uri": "http://meta.icos-cp.eu/resources/projects/euroObspack"
      }
    },
    "self": {
      "comments": ["Atmospheric CO2 concentrations, both ICOS and non-/pre-ICOS data, delivered by the Atmospheric Thematic Center"],
      "label": "Atmospheric CO2 product",
      "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcCo2Product"
    },
    "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": "2026-08-06T12:15:40.018413623Z",
    "stop": "2026-08-06T12:15:41.726534512Z",
    "submitter": {
      "name": "Atmosphere Thematic Centre",
      "self": {
        "comments": [],
        "label": "ICOS ATC",
        "uri": "http://meta.icos-cp.eu/resources/organizations/ATC"
      }
    }
  }
}