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ICOS ATC CO2 Release from Birkenes (75.0 m)

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2020-09-14–2026-03-31
11676/X5U63HEboiNw2xYvV0Gy3dmw (link)

Quality-controlled data on molar fraction of atmospheric CO2

All the time series have been updated due to a Flask and Calibration Laboratory minor internal scale update. The revision of CO2 data has been made to account for the response difference of isotopologue selective analyzers to the differences of d13C and d18O in CO2 of references gases compared to ambient air CO2 (see: Jordan A. (2024): Accounting for CO2 isotopic composition inhomogeneity in standard gases used for isotopologue specific CRDS measurements , https://community.wmo.int/events/22nd-wmoiaea-meeting-carbon-dioxide-other-greenhouse-gases-and-related-tracers-measurement)
ICOS
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
Lund Myhre, C., Platt, S., Lunder, C., Hermansen, O. (2026). ICOS ATC CO2 Release from Birkenes (75.0 m), 2020-09-14–2026-03-31, ICOS RI, https://hdl.handle.net/11676/X5U63HEboiNw2xYvV0Gy3dmw
BibTex 
@misc{https://hdl.handle.net/11676/X5U63HEboiNw2xYvV0Gy3dmw,
  author={Lund Myhre, Cathrine and Platt, Stephen Matthew and Lunder, Chris and Hermansen, Ove},
  title={ICOS ATC CO2 Release from Birkenes (75.0 m), 2020-09-14–2026-03-31},
  year={2026},
  url={https://hdl.handle.net/11676/X5U63HEboiNw2xYvV0Gy3dmw},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/X5U63HEboiNw2xYvV0Gy3dmw}
}
RIS 
TY - DATA
T1 - ICOS ATC CO2 Release from Birkenes (75.0 m), 2020-09-14–2026-03-31
ID - 11676/X5U63HEboiNw2xYvV0Gy3dmw
PY - 2026
UR - https://hdl.handle.net/11676/X5U63HEboiNw2xYvV0Gy3dmw
PB - Atmosphere Thematic Centre
AU - Lund Myhre, Cathrine
AU - Platt, Stephen Matthew
AU - Lunder, Chris
AU - Hermansen, Ove
ER -
view #1, view #2
ICOS_ATC_L2_L2-2026.1_BIR_75.0_CTS_CO2.zip
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857 KB (877293 bytes)
48600
ICOS ATC CO2 Release
2
ICOS CCBY4 Data Licence

Acquisition

Birkenes
2020-09-14 00:00:00
2026-03-31 23:00:00
CO2-CH4-CO-H2O Picarro Analyzer
75.0

Production

Atmosphere Thematic Centre
Atmosphere Thematic Centre
2026-07-01 13:49:36
ICOS-CAL-FCL

Previewable variables

Name Value type Unit Quantity kind Preview
TIMESTAMP time instant, UTC
co2 CO2 (dry air mole fraction) µmol mol-1 portion Preview
Stdev standard deviation of gas mole fraction µmol mol-1 portion Preview
Flag quality flag
NbPoints number of points cardinal number Preview

Statistics

1
0

Submission

Atmosphere Thematic Centre
2026-07-01 13:49:39
2026-07-01 13:49:36

Technical information

ICOS ATC time series
R, U, O
zip
5f953adc711ba22370db162f5741b2ddd9b047df2904d47e1055ea69f329ff50
X5U63HEboiNw2xYvV0Gy3dmwR98pBNR+EFXqafMp/1A
Lat: 58.3886, Lon: 8.2519, Alt: 219.0 m
Birkenes
JSON • RDF/XML • RDF/Turtle • XML (ISO 19115-3:2016)
CO2 ICOS dry air mole fraction