{
  "accessUrl": "https://data.icos-cp.eu/objects/Krh3RW93dhWfmSYX0mVg6Ery",
  "coverageGeo": {
    "geometry": {
      "coordinates": [-16.499, 28.309, 2372.9],
      "type": "Point"
    },
    "properties": {
      "label": "IZO"
    },
    "type": "Feature"
  },
  "fileName": "ISAMO_CO_d13C_d18O_2023_2024_IZO.csv",
  "hash": "Krh3RW93dhWfmSYX0mVg6ErygyLbUQYkVIQabDHFK9g",
  "latestVersion": "https://meta.icos-cp.eu/objects/Krh3RW93dhWfmSYX0mVg6Ery",
  "parentCollections": [{
    "comments": [],
    "label": "CO mole fraction and isotopic composition from the ISAMO air sampling network",
    "uri": "https://meta.icos-cp.eu/collections/jdMEn3bKwx66lJjQoiyJ7yKa"
  }],
  "pid": "11676/Krh3RW93dhWfmSYX0mVg6Ery",
  "references": {
    "authors": [{
      "email": "c.a.brashear@uu.nl",
      "firstName": "Chloe",
      "lastName": "Brashear",
      "self": {
        "comments": [],
        "label": "Chloe A. Brashear",
        "uri": "http://meta.icos-cp.eu/resources/people/Chloe_Brashear"
      }
    }, {
      "email": "maarten@acacia-ii.com",
      "firstName": "Maarten",
      "lastName": "van Herpen",
      "self": {
        "comments": [],
        "label": "Maarten M.J.W. van Herpen",
        "uri": "http://meta.icos-cp.eu/resources/people/Maarten_van_Herpen"
      }
    }, {
      "email": "berend.vandekraats@oceansx.nl",
      "firstName": "Berend",
      "lastName": "van de Kraats",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Berend_van_de_Kraats"
      }
    }, {
      "email": "c.vanderVeen@uu.nl",
      "firstName": "Carina",
      "lastName": "van der Veen",
      "orcid": "0000-0001-6827-9616",
      "self": {
        "comments": [],
        "label": "Carina van der Veen",
        "uri": "http://meta.icos-cp.eu/resources/people/Carina_van_der_Veen"
      }
    }, {
      "email": "abarretov@aemet.es",
      "firstName": "Africa",
      "lastName": "Barreto",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Africa_Barreto"
      }
    }, {
      "email": "npratsp@aemet.es",
      "firstName": "Natalia",
      "lastName": "Pratts",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Natalia_Pratts"
      }
    }, {
      "email": "ciai@aemet.es",
      "firstName": "Ignacio",
      "lastName": "Mármol",
      "self": {
        "comments": [],
        "label": "Ignacio Mármol",
        "uri": "http://meta.icos-cp.eu/resources/people/Ignacio_Marmol"
      }
    }, {
      "email": "rramosl@aemet.es",
      "firstName": "Ramón",
      "lastName": "Ramos",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Ramon_Ramos"
      }
    }, {
      "email": "t.roeckmann@uu.nl",
      "firstName": "Thomas",
      "lastName": "Röckmann",
      "orcid": "0000-0002-6688-8968",
      "self": {
        "comments": [],
        "uri": "http://meta.icos-cp.eu/resources/people/Thomas%20R%C3%B6ckmann"
      }
    }],
    "citationBibTex": "@misc{https://hdl.handle.net/11676/Krh3RW93dhWfmSYX0mVg6Ery,\r\n  author={Brashear, Chloe and van Herpen, Maarten and van de Kraats, Berend and van der Veen, Carina and Barreto, Africa and Pratts, Natalia and Mármol, Ignacio and Ramos, Ramón and Röckmann, Thomas},\r\n  title={Atmospheric GHG data product (co, d13c_co, d18o_co) from Izaña (0.0 m), 2023-01-02–2024-12-30},\r\n  year={2026},\r\n  keywords={atmospheric monitoring, carbon isotopic composition, CO, carbon monoxide, CF-IRMS, continuous-flow isotope-ratio mass spectrometry, oxygen isotopic composition, stable isotopes, ISAMO, δ13C-CO, δ18O-CO},\r\n  url={https://hdl.handle.net/11676/Krh3RW93dhWfmSYX0mVg6Ery},\r\n  publisher={Carbon Portal},\r\n  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},\r\n  pid={11676/Krh3RW93dhWfmSYX0mVg6Ery}\r\n}",
    "citationRis": "TY - DATA\r\nT1 - Atmospheric GHG data product (co, d13c_co, d18o_co) from Izaña (0.0 m), 2023-01-02–2024-12-30\r\nID - 11676/Krh3RW93dhWfmSYX0mVg6Ery\r\nPY - 2026\r\nUR - https://hdl.handle.net/11676/Krh3RW93dhWfmSYX0mVg6Ery\r\nPB - Carbon Portal\r\nAU - Brashear, Chloe\r\nAU - van Herpen, Maarten\r\nAU - van de Kraats, Berend\r\nAU - van der Veen, Carina\r\nAU - Barreto, Africa\r\nAU - Pratts, Natalia\r\nAU - Mármol, Ignacio\r\nAU - Ramos, Ramón\r\nAU - Röckmann, Thomas\r\nKW - atmospheric monitoring\r\nKW - carbon isotopic composition\r\nKW - CO\r\nKW - carbon monoxide\r\nKW - CF-IRMS\r\nKW - continuous-flow isotope-ratio mass spectrometry\r\nKW - oxygen isotopic composition\r\nKW - stable isotopes\r\nKW - ISAMO\r\nKW - δ13C-CO\r\nKW - δ18O-CO\r\nER - ",
    "citationString": "Brashear, C., van Herpen, M., van de Kraats, B., van der Veen, C., Barreto, A., Pratts, N., Mármol, I., Ramos, R., Röckmann, T. (2026). Atmospheric GHG data product (co, d13c_co, d18o_co) from Izaña (0.0 m), 2023-01-02–2024-12-30,  https://hdl.handle.net/11676/Krh3RW93dhWfmSYX0mVg6Ery",
    "keywords": ["atmospheric monitoring", "carbon isotopic composition", "CO", "carbon monoxide", "CF-IRMS", "continuous-flow isotope-ratio mass spectrometry", "oxygen isotopic composition", "stable isotopes", "ISAMO", "δ13C-CO", "δ18O-CO"],
    "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": "2023-01-02–2024-12-30",
    "title": "Atmospheric GHG data product (co, d13c_co, d18o_co) from Izaña (0.0 m)"
  },
  "size": 12861,
  "specificInfo": {
    "acquisition": {
      "interval": {
        "start": "2023-01-02T12:00:00Z",
        "stop": "2024-12-30T12:00:00Z"
      },
      "samplingHeight": 0.0,
      "station": {
        "countryCode": "ES",
        "id": "IZO",
        "location": {
          "alt": 2372.9,
          "label": "IZO",
          "lat": 28.309,
          "lon": -16.499
        },
        "networks": [],
        "org": {
          "name": "Izaña",
          "self": {
            "comments": [],
            "label": "IZO",
            "uri": "http://meta.icos-cp.eu/resources/stations/AS_IZO"
          },
          "webpageDetails": {
            "coverImage": "https://www.icos-cp.eu/media/329",
            "linkBoxes": [{
              "coverImage": "https://www.icos-cp.eu/media/333",
              "name": "Photos",
              "orderWeight": 0,
              "target": "https://www.flickr.com/photos/icos_ri/albums/72177720310697812"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/332",
              "name": "Video",
              "orderWeight": 1,
              "target": "https://www.youtube.com/watch?v=Q9FkHZFsH6M"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/334",
              "name": "Story",
              "orderWeight": 2,
              "target": "https://www.icos-cp.eu/exploreicos-station-above-clouds"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/335",
              "name": "Data",
              "orderWeight": 3,
              "target": "https://data.icos-cp.eu/portal/#%7B%22filterCategories%22%3A%7B%22station%22%3A%5B%22iAS_IZO%22%5D%2C%22level%22%3A%5B1%2C2%5D%7D%7D"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/331",
              "name": "Other ICOS stations",
              "orderWeight": 4,
              "target": "https://www.icos-cp.eu/observations/national-networks"
            }, {
              "coverImage": "https://www.icos-cp.eu/media/330",
              "name": "ICOS Spain",
              "orderWeight": 5,
              "target": "https://www.icos-cp.eu/observations/national-networks/spain"
            }],
            "self": {
              "comments": ["At an altitude of 2373 meters above sea level, overlooking a soft bed of fluffy clouds, the Izana observatory feels like a parallel world. Next to the peak of the mountain Teide, it is an extreme outpost for measuring greenhouse gases in a unique environment."],
              "label": "IZO elements",
              "uri": "http://meta.icos-cp.eu/resources/icos/IZO-elements"
            }
          }
        },
        "pictures": [],
        "responsibleOrganization": {
          "name": "Izana Atmospheric Research Center, Meteorological State Agency of Spain",
          "self": {
            "comments": [],
            "label": "AEMET",
            "uri": "http://meta.icos-cp.eu/resources/organizations/AEMET"
          },
          "website": "https://izana.aemet.es"
        },
        "specificInfo": {
          "_type": "atc",
          "discontinued": false,
          "documentation": [],
          "labelingDate": "2023-05-23",
          "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-IZO"
        }
      }
    },
    "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": "co",
      "model": {
        "comments": [],
        "label": "co (dry air mole fraction, ppb) (opt)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/coAtcFlaskMoleFrac"
      },
      "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": "CO (dry air mole fraction)",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/coMixingRatioPpb"
        },
        "unit": "nmol mol-1"
      }
    }, {
      "label": "d13c_co",
      "model": {
        "comments": [],
        "label": "d13c_co (δ in CO, per mil) (opt)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/delta13C_CO"
      },
      "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": [],
          "label": "δ13C-CO",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/d13C_CO"
        },
        "unit": "per mil"
      }
    }, {
      "label": "d18o_co",
      "model": {
        "comments": [],
        "label": "d18o_co (δ in CO, per mil)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/delta18O_CO"
      },
      "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": [],
          "label": "δ18O-CO",
          "uri": "http://meta.icos-cp.eu/resources/cpmeta/d18O_CO"
        },
        "unit": "per mil"
      }
    }, {
      "isFlagFor": ["http://meta.icos-cp.eu/resources/cpmeta/co2AtcFlaskMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/ch4AtcFlaskMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/coAtcFlaskMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/n2oAtcFlaskMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/sf6AtcFlaskMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/h2AtcFlaskMoleFrac", "http://meta.icos-cp.eu/resources/cpmeta/14cAtcPerMil", "http://meta.icos-cp.eu/resources/cpmeta/13co2AtcPerMil", "http://meta.icos-cp.eu/resources/cpmeta/O2N2AtcPerMeg", "http://meta.icos-cp.eu/resources/cpmeta/apoAtcPerMeg", "http://meta.icos-cp.eu/resources/cpmeta/rn_radon_opt", "http://meta.icos-cp.eu/resources/cpmeta/13Ch4AtcPerMil", "http://meta.icos-cp.eu/resources/cpmeta/d18OAtcPerMil"],
      "label": "Flag",
      "model": {
        "comments": [],
        "label": "Flag (optional)",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/flag_opt"
      },
      "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": 213,
    "productionInfo": {
      "comment": "The dataset contains daily CO mole fractions and their stable isotopic composition (13C-CO and 18O-CO), reported as delta values (in ‰), collected at the Izaña Atmospheric Observatory station in Tenerife, Spain  as part of the ISAMO (Iron Salt Aerosol Methane Oxidation) project.",
      "contributors": [{
        "email": "c.a.brashear@uu.nl",
        "firstName": "Chloe",
        "lastName": "Brashear",
        "self": {
          "comments": [],
          "label": "Chloe A. Brashear",
          "uri": "http://meta.icos-cp.eu/resources/people/Chloe_Brashear"
        }
      }, {
        "email": "maarten@acacia-ii.com",
        "firstName": "Maarten",
        "lastName": "van Herpen",
        "self": {
          "comments": [],
          "label": "Maarten M.J.W. van Herpen",
          "uri": "http://meta.icos-cp.eu/resources/people/Maarten_van_Herpen"
        }
      }, {
        "email": "berend.vandekraats@oceansx.nl",
        "firstName": "Berend",
        "lastName": "van de Kraats",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/people/Berend_van_de_Kraats"
        }
      }, {
        "email": "c.vanderVeen@uu.nl",
        "firstName": "Carina",
        "lastName": "van der Veen",
        "orcid": "0000-0001-6827-9616",
        "self": {
          "comments": [],
          "label": "Carina van der Veen",
          "uri": "http://meta.icos-cp.eu/resources/people/Carina_van_der_Veen"
        }
      }, {
        "email": "abarretov@aemet.es",
        "firstName": "Africa",
        "lastName": "Barreto",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/people/Africa_Barreto"
        }
      }, {
        "email": "npratsp@aemet.es",
        "firstName": "Natalia",
        "lastName": "Pratts",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/people/Natalia_Pratts"
        }
      }, {
        "email": "ciai@aemet.es",
        "firstName": "Ignacio",
        "lastName": "Mármol",
        "self": {
          "comments": [],
          "label": "Ignacio Mármol",
          "uri": "http://meta.icos-cp.eu/resources/people/Ignacio_Marmol"
        }
      }, {
        "email": "rramosl@aemet.es",
        "firstName": "Ramón",
        "lastName": "Ramos",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/people/Ramon_Ramos"
        }
      }, {
        "email": "t.roeckmann@uu.nl",
        "firstName": "Thomas",
        "lastName": "Röckmann",
        "orcid": "0000-0002-6688-8968",
        "self": {
          "comments": [],
          "uri": "http://meta.icos-cp.eu/resources/people/Thomas%20R%C3%B6ckmann"
        }
      }],
      "creator": {
        "email": "c.a.brashear@uu.nl",
        "firstName": "Chloe",
        "lastName": "Brashear",
        "self": {
          "comments": [],
          "label": "Chloe A. Brashear",
          "uri": "http://meta.icos-cp.eu/resources/people/Chloe_Brashear"
        }
      },
      "dateTime": "2026-09-10T12:00:00Z",
      "sources": []
    }
  },
  "specification": {
    "dataLevel": 2,
    "datasetSpec": {
      "self": {
        "comments": [],
        "label": "GHG time series",
        "uri": "http://meta.icos-cp.eu/resources/cpmeta/atmGhgTimeSeries"
      }
    },
    "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"
    },
    "project": {
      "self": {
        "comments": ["Various other data not associated with a specific project"],
        "label": "Miscellaneous",
        "uri": "http://meta.icos-cp.eu/resources/projects/misc"
      }
    },
    "self": {
      "comments": ["Generic greenhouse gas and related tracers observational time series in ATC format"],
      "label": "Atmospheric GHG data product",
      "uri": "http://meta.icos-cp.eu/resources/cpmeta/atmGhgProduct"
    },
    "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": "2026-10-15T09:26:06.167529174Z",
    "stop": "2026-10-15T09:26:06.764564630Z",
    "submitter": {
      "name": "Carbon Portal",
      "self": {
        "comments": [],
        "label": "CP",
        "uri": "http://meta.icos-cp.eu/resources/organizations/CP"
      }
    }
  }
}