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

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2015-09-29–2022-01-11

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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. (2022). ICOS ATC 14C Release analysed by ICOS CRL, Norunda (100.0 m), 2015-09-29–2022-01-11, ICOS RI, https://hdl.handle.net/11676/zOzto34xYRXJYjNe4dff8zEZ
BibTex
@misc{https://hdl.handle.net/11676/zOzto34xYRXJYjNe4dff8zEZ,
  author={Lehner, Irene and Mölder, Meelis},
  title={ICOS ATC 14C Release analysed by ICOS  CRL, Norunda (100.0 m), 2015-09-29–2022-01-11},
  year={2022},
  url={https://hdl.handle.net/11676/zOzto34xYRXJYjNe4dff8zEZ},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/zOzto34xYRXJYjNe4dff8zEZ}
}
RIS
TY - DATA
T1 - ICOS ATC 14C Release analysed by ICOS  CRL, Norunda (100.0 m), 2015-09-29–2022-01-11
ID - 11676/zOzto34xYRXJYjNe4dff8zEZ
PY - 2022
UR - https://hdl.handle.net/11676/zOzto34xYRXJYjNe4dff8zEZ
PB - Atmosphere Thematic Centre
AU - Lehner, Irene
AU - Mölder, Meelis
ER - 
ICOS_ATC_L2_L2-2022.1_NOR_100.0_779_14C.zip
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Acquisition

2015-09-29 00:00:00
2022-01-11 08:50:00
100.0

Production

2022-07-11 11:54:05

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

113
17

Submission

2022-07-08 07:58:28
2022-07-08 07:58:26

Technical information

R, U, O
zip
cceceda37e316115c962335ee1d7dff33119406300f08a74a19593c219e64e2e
zOzto34xYRXJYjNe4dff8zEZQGMA8Ip0oZWTwhnmTi4
Lat: 60.0864, Lon: 17.4794, Alt: 46.0 m
14CO2 ICOS