ICOS ATC 14C Release analysed by ICOS CRL, Gartow (341.0 m), 2021-05-20–2022-09-20

Name: ICOS ATC 14C Release analysed by ICOS CRL, Gartow (341.0 m), 2021-05-20–2022-09-20
Creator: ICOS data portal
Published: 2023-07-05 00:00:00
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meta.icos-cp.eu2023-07-05 更新2025-01-21 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 Kubistin, D., Plaß-Dülmer, C., Kneuer, T., Lindauer, M., Müller-Williams, J. (2023). ICOS ATC 14C Release analysed by ICOS CRL, Gartow (341.0 m), 2021-05-20–2022-09-20, ICOS RI, https://hdl.handle.net/11676/_xA-u5eVXYe8c5M2FchkEpHo

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。实验室对采集样本（瓶装样品）以及两周积分环境空气样品进行¹⁴CO₂活性测定。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）合作进行加速质谱仪（AMS）分析，以及低水平气体比例计数（LLC）（Kromer & Münnich, 1992）。两种测量技术的可比性持续得到监控，并在Hammer等人（2017）的研究中得到了记录。 Lux, J. T. (2018). 一种新型靶材制备设施用于高精度AMS测量及有效的¹⁴CO₂采样策略（博士论文）。DOI: https://doi.org/10.11588/heidok.00024767 Kromer, B., & Münnich, K. O. (1992). 放射性碳年代测定中的CO₂气体比例计数——综述与展望。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). 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质谱仪（AMS）实验室。Radiocarbon, 59(3), 875-883。DOI: https://doi.org/10.1017/RDC.2016.62 参见CEZA实验室：https://www.ceza.de/en Kubistin, D., Plaß-Dülmer, C., Kneuer, T., Lindauer, M., Müller-Williams, J. (2023). ICOS ATC 14C发布由ICOS CRL，加特奥（341.0米），2021-05-20至2022-09-20分析，ICOS RI，https://hdl.handle.net/11676/_xA-u5eVXYe8c5M2FchkEpHo

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