ICOS ATC 14C Release analysed by ICOS CRL, Cabauw (207.0 m), 2015-09-23–2022-11-23

Name: ICOS ATC 14C Release analysed by ICOS CRL, Cabauw (207.0 m), 2015-09-23–2022-11-23
Creator: ICOS data portal
Published: 2023-07-04 00:00:00
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meta.icos-cp.eu2023-07-04 更新2025-01-22 收录

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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 Frumau, A., Hensen, A. (2023). ICOS ATC 14C Release analysed by ICOS CRL, Cabauw (207.0 m), 2015-09-23–2022-11-23, ICOS RI, https://hdl.handle.net/11676/cNrfykW0QP-ApCu26b10ijpy

ICOS中央放射性碳实验室（CRL）的核心任务是对大气二氧化碳中的碳-14（¹⁴C）含量进行高精度测量。该实验室对采集样本（瓶装样本）以及两周积分环境空气样本进行¹⁴CO₂活动度的测定。在CRL中，应用了两种¹⁴CO₂分析技术：与德国曼海姆的CEZA实验室（Lux, 2019）合作进行的加速器质谱法（AMS），以及低水平气体比例计数法（LLC）（Kromer & Münnich, 1992）。两种测量技术的可比性得到持续监控，并在Hammer等人（2017）的文献中进行了记录。 Lux, J. T. (2018). 高精度AMS测量用的新靶制备设施及高效的¹⁴CO₂采样策略（博士论文）。DOI: https://doi.org/10.11588/heidok.00024767 Kromer, B., & Münnich, K. O. (1992). 放射性碳定年中的CO₂气体比例计数——综述与展望。放射性碳：四十年之后，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). 大气¹⁴CO₂测量的一致性：比较海德堡低水平计数设施与国际加速器质谱法（AMS）实验室。放射性碳，59(3)，875-883。DOI: https://doi.org/10.1017/RDC.2016.62 参见CEZA实验室：https://www.ceza.de/en Frumau, A., Hensen, A. (2023). ICOS ATC ¹⁴C 发布分析，由ICOS CRL，Cabauw（207.0米），2015-09-23至2022-11-23，ICOS RI，https://hdl.handle.net/11676/cNrfykW0QP-ApCu26b10ijpy

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