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
@misc{https://hdl.handle.net/11676/-VQTSnP6A5kOF8pgILElKsiA,
author={Kubistin, Dagmar and Plaß-Dülmer, Christian and Arnold, Sabrina and Kneuer, Tobias and Lindauer, Matthias and Müller-Williams, Jennifer and Schumacher, Marcus},
title={ICOS ATC 14C Release analysed by ICOS CRL from Karlsruhe (200.0 m), 2018-02-01–2021-09-20},
year={2022},
url={https://hdl.handle.net/11676/-VQTSnP6A5kOF8pgILElKsiA},
publisher={Atmosphere Thematic Centre},
copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
pid={11676/-VQTSnP6A5kOF8pgILElKsiA}
}
TY - DATA T1 - ICOS ATC 14C Release analysed by ICOS CRL from Karlsruhe (200.0 m), 2018-02-01–2021-09-20 ID - 11676/-VQTSnP6A5kOF8pgILElKsiA PY - 2022 UR - https://hdl.handle.net/11676/-VQTSnP6A5kOF8pgILElKsiA PB - Atmosphere Thematic Centre AU - Kubistin, Dagmar AU - Plaß-Dülmer, Christian AU - Arnold, Sabrina AU - Kneuer, Tobias AU - Lindauer, Matthias AU - Müller-Williams, Jennifer AU - Schumacher, Marcus ER -
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