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ICOS ATC 14C Release analysed by ICOS CRL from Trainou (180.0 m)

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2015-09-29–2025-11-06
11676/MB4q8lTKY6NHPRm1msFuyCqZ (link)

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

Ramonet, M., Lopez, M., Delmotte, M. (2026). ICOS ATC 14C Release analysed by ICOS CRL from Trainou (180.0 m), 2015-09-29–2025-11-06, ICOS RI, https://hdl.handle.net/11676/MB4q8lTKY6NHPRm1msFuyCqZ
BibTex
@misc{https://hdl.handle.net/11676/MB4q8lTKY6NHPRm1msFuyCqZ,
  author={Ramonet, Michel and Lopez, Morgan and Delmotte, Marc},
  title={ICOS ATC 14C Release analysed by ICOS  CRL from Trainou (180.0 m), 2015-09-29–2025-11-06},
  year={2026},
  url={https://hdl.handle.net/11676/MB4q8lTKY6NHPRm1msFuyCqZ},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/MB4q8lTKY6NHPRm1msFuyCqZ}
}
RIS
TY - DATA
T1 - ICOS ATC 14C Release analysed by ICOS  CRL from Trainou (180.0 m), 2015-09-29–2025-11-06
ID - 11676/MB4q8lTKY6NHPRm1msFuyCqZ
PY - 2026
UR - https://hdl.handle.net/11676/MB4q8lTKY6NHPRm1msFuyCqZ
PB - Atmosphere Thematic Centre
AU - Ramonet, Michel
AU - Lopez, Morgan
AU - Delmotte, Marc
ER - 
ICOS_ATC_L2_L2-2026.1_TRN_180.0_779_14C.zip
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Acquisition

2015-09-29 00:00:00
2025-11-06 13:58:00
180.0

Production

2026-07-01 20:14:18

Previewable variables

Name Value type Unit Quantity kind Preview
TIMESTAMP time instant, UTC
IntegrationTime integration time day cardinal number Preview
14C Δ14C per mil ratio Preview
WeightedStdErr weighted standard error of Δ¹⁴C per mil ratio Preview
NbPoints number of points cardinal number Preview
Flag quality flag

Statistics

0
0

Submission

2026-07-01 20:14:18
2026-07-01 20:14:18

Technical information

R, U, O
zip
301e2af254ca63a3473d19b59ac16ec82a991979e7c7dcd989752ad0a072ce0a
MB4q8lTKY6NHPRm1msFuyCqZGXnnx9zZiXUq0KByzgo
Lat: 47.9647, Lon: 2.1125, Alt: 131.0 m
14CO2 ICOS