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ICOS ATC CO2 Release from El Arenosillo (50.0 m)

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2024-10-19–2026-03-31
11676/C_YHYvTzTsm5pGiSF2y4648V (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
Yela, M., Adame, J. (2026). ICOS ATC CO2 Release from El Arenosillo (50.0 m), 2024-10-19–2026-03-31, ICOS RI, https://hdl.handle.net/11676/C_YHYvTzTsm5pGiSF2y4648V
BibTex 
@misc{https://hdl.handle.net/11676/C_YHYvTzTsm5pGiSF2y4648V,
  author={Yela, Margarita and Adame, José},
  title={ICOS ATC CO2 Release from El Arenosillo (50.0 m), 2024-10-19–2026-03-31},
  year={2026},
  url={https://hdl.handle.net/11676/C_YHYvTzTsm5pGiSF2y4648V},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/C_YHYvTzTsm5pGiSF2y4648V}
}
RIS 
TY - DATA
T1 - ICOS ATC CO2 Release from El Arenosillo (50.0 m), 2024-10-19–2026-03-31
ID - 11676/C_YHYvTzTsm5pGiSF2y4648V
PY - 2026
UR - https://hdl.handle.net/11676/C_YHYvTzTsm5pGiSF2y4648V
PB - Atmosphere Thematic Centre
AU - Yela, Margarita
AU - Adame, José
ER -
view #1, view #2
ICOS_ATC_L2_L2-2026.1_ARN_50.0_CTS_CO2.zip
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12696
ICOS ATC CO2 Release
2
ICOS CCBY4 Data Licence

Acquisition

El Arenosillo
2024-10-19 00:00:00
2026-03-31 23:00:00
CO2-CH4-CO-H2O Picarro Analyzer
50.0

Production

Atmosphere Thematic Centre
Atmosphere Thematic Centre
2026-07-01 13:49:05
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 13:49:06
2026-07-01 13:49:05

Technical information

ICOS ATC time series
R, U, O
zip
0bf60762f4f34ec9b9a46892176cb8eb8f15bcac27862983a173677e7c4fbd1a
C/YHYvTzTsm5pGiSF2y4648VvKwnhimDoXNnfnxPvRo
Lat: 37.104, Lon: -6.734, Alt: 42.0 m
El Arenosillo
JSON • RDF/XML • RDF/Turtle • XML (ISO 19115-3:2016)
CO2 ICOS dry air mole fraction