ICOS

ICOS ATC 14C Release analysed by ICOS CRL, Křešín u Pacova (250.0 m)

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2017-03-29–2018-07-31

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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
Marek, M., Vítková, G., Komínková, K. (2019). ICOS ATC 14C Release analysed by ICOS CRL, Křešín u Pacova (250.0 m), 2017-03-29–2018-07-31, ICOS RI, https://hdl.handle.net/11676/h15W3TYRBmdK_cXJ5nd0u8hV
BibTex
@misc{https://hdl.handle.net/11676/h15W3TYRBmdK_cXJ5nd0u8hV,
  author={Marek, Michal V. and Vítková, Gabriela and Komínková, Kateřina},
  title={ICOS ATC 14C Release analysed by ICOS  CRL, Křešín u Pacova (250.0 m), 2017-03-29–2018-07-31},
  year={2019},
  url={https://hdl.handle.net/11676/h15W3TYRBmdK_cXJ5nd0u8hV},
  publisher={Atmosphere Thematic Centre},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/h15W3TYRBmdK_cXJ5nd0u8hV}
}
RIS
TY - DATA
T1 - ICOS ATC 14C Release analysed by ICOS  CRL, Křešín u Pacova (250.0 m), 2017-03-29–2018-07-31
ID - 11676/h15W3TYRBmdK_cXJ5nd0u8hV
PY - 2019
UR - https://hdl.handle.net/11676/h15W3TYRBmdK_cXJ5nd0u8hV
PB - Atmosphere Thematic Centre
AU - Marek, Michal V.
AU - Vítková, Gabriela
AU - Komínková, Kateřina
ER - 
ICOS_ATC_L2_L2-2019.1_KRE_250.0_779_14C.zip
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Acquisition

2017-03-29 00:00:00
2018-08-01 00:00:00
250.0

Production

2019-08-02 10:13:16

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 standard deviation of gas mole fraction µmol mol-1 portion Preview
NbPoints number of points cardinal number Preview
Flag quality flag

Statistics

199
5

Submission

2019-08-02 10:13:17
2019-08-02 10:13:17

Technical information

R, O, U
zip
875e56dd361106674afdc5c9e67774bbc855b5c9a521f57d3deddf01b2d31dea
h15W3TYRBmdK/cXJ5nd0u8hVtcmlIfV9Pe3fAbLTHeo
Lat: 49.572, Lon: 15.08, Alt: 534.0 m
14CO2 ICOS