ICOS

ICOS ATC 14C Release analysed by ICOS CRL, Norunda (100.0 m)

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2017-04-11–2020-01-28

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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
Lehner, I., Mölder, M. (2020). ICOS ATC 14C Release analysed by ICOS CRL, Norunda (100.0 m), 2017-04-11–2020-01-28, ICOS RI, https://hdl.handle.net/11676/HsijiurzpsslNad2kn66XldX
BibTex
@misc{https://hdl.handle.net/11676/HsijiurzpsslNad2kn66XldX,
  author={Lehner, Irene and Mölder, Meelis},
  title={ICOS ATC 14C Release analysed by ICOS  CRL, Norunda (100.0 m), 2017-04-11–2020-01-28},
  year={2020},
  url={https://hdl.handle.net/11676/HsijiurzpsslNad2kn66XldX},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/HsijiurzpsslNad2kn66XldX}
}
RIS
TY - DATA
T1 - ICOS ATC 14C Release analysed by ICOS  CRL, Norunda (100.0 m), 2017-04-11–2020-01-28
ID - 11676/HsijiurzpsslNad2kn66XldX
PY - 2020
UR - https://hdl.handle.net/11676/HsijiurzpsslNad2kn66XldX
PB - Atmosphere Thematic Centre
AU - Lehner, Irene
AU - Mölder, Meelis
ER - 
ICOS_ATC_L2_L2-2020.1_NOR_100.0_779_14C.zip
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Acquisition

2017-04-11 00:00:00
2020-01-28 09:00:00
100.0

Production

2020-09-08 09:36:43

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
Stdev weighted standard error of Δ¹⁴C per mil ratio Preview
NbPoints number of points cardinal number Preview
Flag quality flag

Statistics

123
5

Submission

2020-09-08 09:36:44
2020-09-08 09:36:43

Technical information

R, U, O
zip
1ec8a38aeaf3a6cb2535a776927eba5e5757363f5bc6008cdd6adacd25748140
HsijiurzpsslNad2kn66XldXNj9bxgCM3WrazSV0gUA
Lat: 60.0864, Lon: 17.4794, Alt: 46.0 m
14CO2 ICOS