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ICOS ATC CO2 Release from Cabauw (27.0 m)

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2021-09-30–2026-03-31
11676/sHmMtJihfH9lmsWVBr1CO19- (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)
Frumau, A., Hensen, A. (2026). ICOS ATC CO2 Release from Cabauw (27.0 m), 2021-09-30–2026-03-31, ICOS RI, https://hdl.handle.net/11676/sHmMtJihfH9lmsWVBr1CO19-
BibTex
@misc{https://hdl.handle.net/11676/sHmMtJihfH9lmsWVBr1CO19-,
  author={Frumau, Arnoud and Hensen, Arjan},
  title={ICOS ATC CO2 Release from Cabauw (27.0 m), 2021-09-30–2026-03-31},
  year={2026},
  url={https://hdl.handle.net/11676/sHmMtJihfH9lmsWVBr1CO19-},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/sHmMtJihfH9lmsWVBr1CO19-}
}
RIS
TY - DATA
T1 - ICOS ATC CO2 Release from Cabauw (27.0 m), 2021-09-30–2026-03-31
ID - 11676/sHmMtJihfH9lmsWVBr1CO19-
PY - 2026
UR - https://hdl.handle.net/11676/sHmMtJihfH9lmsWVBr1CO19-
PB - Atmosphere Thematic Centre
AU - Frumau, Arnoud
AU - Hensen, Arjan
ER - 
ICOS_ATC_L2_L2-2026.1_CBW_27.0_CTS_CO2.zip
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Acquisition

2021-09-30 00:00:00
2026-03-31 23:00:00
27.0

Production

2026-07-01 13:50:02

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

0
0

Submission

2026-07-01 13:50:05
2026-07-01 13:50:02

Technical information

R, U, O
zip
b0798cb498a17c7f659ac59506bd423b5f7e30e955c8cfc3c909a0b8c6a651da
sHmMtJihfH9lmsWVBr1CO19+MOlVyM/DyQmguMamUdo
Lat: 51.9703, Lon: 4.9264, Alt: 0.0 m
CO2 ICOS dry air mole fraction