{
  "accessUrl": "https://data.icos-cp.eu/objects/Dvk7-ehuYP3nJR9i9jH-GKUT",
  "coverageGeo": {
    "geometry": {
      "coordinates": [10.6999, 44.1936, 2165.0],
      "type": "Point"
    },
    "properties": {
      "label": "CMN"
    },
    "type": "Feature"
  },
  "fileName": "ICOS_ATC_L2_L2-2026.1_CMN_8.0_779_14C.zip",
  "hash": "Dvk7-ehuYP3nJR9i9jH-GKUTYlsU4CtJ_Y7BQrkbRyA",
  "latestVersion": "https://meta.icos-cp.eu/objects/Dvk7-ehuYP3nJR9i9jH-GKUT",
  "parentCollections": [{
    "comments": [],
    "label": "ICOS Atmosphere Release 2026-1 of Level 2 Greenhouse Gas Mole Fractions of CO2, CH4, N2O, CO, meteorology, Radon-222 and 14CO2, and flask samples analysed for CO2, CH4, N2O, CO, H2, SF6 and , delta 13C  Co2, delta18OCO2, delta O2N2 and 14C",
    "uri": "https://meta.icos-cp.eu/collections/S2ZiCIbdqQRQmc8N_FsQYM9P"
  }],
  "pid": "11676/Dvk7-ehuYP3nJR9i9jH-GKUT",
  "references": {
    "authors": [{
      "email": "p.cristofanelli@isac.cnr.it",
      "firstName": "Paolo",
      "lastName": "Cristofanelli",
      "orcid": "0000-0001-5666-9131",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Paolo_Cristofanelli"
      }
    }, {
      "email": "s.montaguti@isac.cnr.it",
      "firstName": "Simonetta",
      "lastName": "Montaguti",
      "orcid": "0009-0003-1180-918X",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Simonetta_Montaguti"
      }
    }],
    "citationBibTex": "@misc{https://hdl.handle.net/11676/Dvk7-ehuYP3nJR9i9jH-GKUT,\r\n  author={Cristofanelli, Paolo and Montaguti, Simonetta},\r\n  title={ICOS ATC 14C Release analysed by ICOS  CRL from Monte Cimone (8.0 m), 2024-05-03–2024-07-25},\r\n  year={2026},\r\n  url={https://hdl.handle.net/11676/Dvk7-ehuYP3nJR9i9jH-GKUT},\r\n  publisher={Atmosphere Thematic Centre},\r\n  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},\r\n  pid={11676/Dvk7-ehuYP3nJR9i9jH-GKUT}\r\n}",
    "citationRis": "TY - DATA\r\nT1 - ICOS ATC 14C Release analysed by ICOS  CRL from Monte Cimone (8.0 m), 2024-05-03–2024-07-25\r\nID - 11676/Dvk7-ehuYP3nJR9i9jH-GKUT\r\nPY - 2026\r\nUR - https://hdl.handle.net/11676/Dvk7-ehuYP3nJR9i9jH-GKUT\r\nPB - Atmosphere Thematic Centre\r\nAU - Cristofanelli, Paolo\r\nAU - Montaguti, Simonetta\r\nER - ",
    "citationString": "Cristofanelli, P., Montaguti, S. (2026). ICOS ATC 14C Release analysed by ICOS  CRL from Monte Cimone (8.0 m), 2024-05-03–2024-07-25, ICOS RI, https://hdl.handle.net/11676/Dvk7-ehuYP3nJR9i9jH-GKUT",
    "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": "2024-05-03–2024-07-25",
    "title": "ICOS ATC 14C Release analysed by ICOS  CRL from Monte Cimone (8.0 m)"
  },
  "size": 1664,
  "specificInfo": {
    "acquisition": {
      "instrument": {
        "comments": [],
        "label": "ATC_779",
        "uri": "http://meta.icos-cp.eu/resources/instruments/ATC_779"
      },
      "interval": {
        "start": "2024-05-03T13:30:00Z",
        "stop": "2024-07-25T11:46:00Z"
      },
      "samplingHeight": 8.0,
      "station": {
        "countryCode": "IT",
        "id": "CMN",
        "location": {
          "alt": 2165.0,
          "label": "CMN",
          "lat": 44.1936,
          "lon": 10.6999
        },
        "networks": [],
        "org": {
          "name": "Monte Cimone",
          "self": {
            "comments": [],
            "label": "CMN",
            "uri": "http://meta.icos-cp.eu/resources/stations/AS_CMN"
          }
        },
        "pictures": ["https://meta.icos-cp.eu/files/-rS-Mc9OvsAaBpwi4PP0Dio5/2013-10-03%2010.00.43.jpg"],
        "responsibleOrganization": {
          "name": "National Research Council of Italy, Institute of Atmospheric Sciences and Climate (CNR-ISAC)",
          "self": {
            "comments": [],
            "uri": "http://meta.icos-cp.eu/resources/organizations/National%20Research%20Council%20of%20Italy,%20Institute%20of%20Atmospheric%20Sciences%20and%20Climate%20(CNR-ISAC)"
          },
          "website": "https://www.isac.cnr.it"
        },
        "specificInfo": {
          "_type": "atc",
          "discontinued": false,
          "documentation": [{
            "hash": "0qjms8Cfp0BvYnSYeL2cyW5RzHoBfkH9lsr-2frgGYk",
            "name": "STILT station characterization for Monte Cimone at 760m",
            "res": "https://meta.icos-cp.eu/objects/0qjms8Cfp0BvYnSYeL2cyW5R"
          }],
          "labelingDate": "2018-11-30",
          "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-CMN"
        }
      }
    },
    "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": "IntegrationTime",
      "model": {
        "comments": [],
        "label": "IntegrationTime",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/integrationTimeInDaysCol"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/float32",
      "valueType": {
        "quantityKind": {
          "comments": [],
          "label": "cardinal number",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/cardinalNumber"
        },
        "self": {
          "comments": [],
          "label": "integration time",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/integrationTimeInIntDays"
        },
        "unit": "day"
      }
    }, {
      "label": "14C",
      "model": {
        "comments": [],
        "label": "14C (ATC, Δ, per mil)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/14C"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/float32",
      "valueType": {
        "quantityKind": {
          "comments": ["Unitless ratio. Can be any real number."],
          "label": "ratio",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/ratio"
        },
        "self": {
          "comments": ["activity concentration of the sample wrt. the activity concentration of the international standard material NIST SRM 4990c (Oxalic acid 2), given in per mil"],
          "label": "Δ14C",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/c14_per_mil"
        },
        "unit": "per mil"
      }
    }, {
      "label": "WeightedStdErr",
      "model": {
        "comments": [],
        "label": "WeightedStdErr",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcWeightedStdErr"
      },
      "valueFormat": "http://meta.icos-cp.eu/ontologies/cpmeta/float32",
      "valueType": {
        "quantityKind": {
          "comments": ["Unitless ratio. Can be any real number."],
          "label": "ratio",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/ratio"
        },
        "self": {
          "comments": ["Inverse-variance weighted 1-sigma standard error of the Δ¹⁴C value"],
          "label": "weighted standard error of Δ¹⁴C",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/weightedStderrD14C"
        },
        "unit": "per mil"
      }
    }, {
      "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"
        }
      }
    }, {
      "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"
        }
      }
    }],
    "nRows": 5,
    "productionInfo": {
      "contributors": [{
        "name": "ICOS-CAL-CRL",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/organizations/ICOS-CAL-CRL"
        }
      }],
      "creator": {
        "name": "Atmosphere Thematic Centre",
        "self": {
          "comments": [],
          "label": "ICOS ATC",
          "uri": "http://meta.icos-cp.eu/resources/organizations/ATC"
        }
      },
      "dateTime": "2026-07-01T20:14:06Z",
      "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 14C time series",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcC14TimeSer"
      }
    },
    "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": ["14CO2"],
    "project": {
      "keywords": ["ICOS"],
      "self": {
        "comments": ["Official ICOS data"],
        "label": "ICOS",
        "uri": "http://meta.icos-cp.eu/resources/projects/icos"
      }
    },
    "self": {
      "comments": ["The ICOS Central Radiocarbon Laboratory (CRL) central task is the high-precision measurement of the ¹⁴C content in atmospheric CO₂. The ¹⁴CO₂ activity is determined for grab samples (flask) as well as for two-week integrated ambient air samples. Two ¹⁴CO₂ analytical techniques are applied in the CRL: Accelerator Mass Spectrometry (AMS) in collaboration with the CEZA laboratory in Mannheim, Germany (Lux, 2019), and Low-Level gas proportional Counting (LLC) (Kromer & Münnich, 1992). The comparability of both measurement techniques is continuously monitored and was documented in Hammer et al. (2017)", "Lux, J. T. (2018). A new target preparation facility for high precision AMS measurements and strategies for efficient ¹⁴CO₂ sampling (Doctoral dissertation). DOI: https://doi.org/10.11588/heidok.00024767", "Kromer, B., & Münnich, K. O. (1992). CO₂ gas proportional counting in radiocarbon dating—review and perspective. Radiocarbon after four decades, 184-197. DOI: https://doi.org/10.1007/978-1-4757-4249-7_13", "Hammer, S., Friedrich, R., Kromer, B., Cherkinsky, A., Lehman, S. J., Meijer, H. A., ... & Uchida, M. (2017). Compatibility of Atmospheric ¹⁴CO₂ Measurements: Comparing the Heidelberg Low-Level Counting Facility to International Accelerator Mass Spectrometry (AMS) Laboratories. Radiocarbon, 59(3), 875-883. DOI: https://doi.org/10.1017/RDC.2016.62", "See also CEZA laboratory: https://www.ceza.de/en "],
      "label": "ICOS ATC 14C Release analysed by ICOS  CRL",
      "uri": "http://meta.icos-cp.eu/resources/cpmeta/atcC14L2DataObject"
    },
    "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": "2026-07-01T20:14:06.194171184Z",
    "stop": "2026-07-01T20:14:06.722735854Z",
    "submitter": {
      "name": "Atmosphere Thematic Centre",
      "self": {
        "comments": [],
        "label": "ICOS ATC",
        "uri": "http://meta.icos-cp.eu/resources/organizations/ATC"
      }
    }
  }
}