Articles | Volume 24, issue 2
https://doi.org/10.5194/acp-24-1249-2024
https://doi.org/10.5194/acp-24-1249-2024
Research article
 | 
29 Jan 2024
Research article |  | 29 Jan 2024

Investigating the differences in calculating global mean surface CO2 abundance: the impact of analysis methodologies and site selection

Zhendong Wu, Alex Vermeulen, Yousuke Sawa, Ute Karstens, Wouter Peters, Remco de Kok, Xin Lan, Yasuyuki Nagai, Akinori Ogi, and Oksana Tarasova

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This study focuses on exploring the differences in calculating global surface CO2 and its growth rate, considering the impact of analysis methodologies and site selection. Our study reveals that the current global CO2 network has a good capacity to represent global surface CO2 and its growth rate, as well as trends in atmospheric CO2 mass changes. However, small differences exist in different analyses due to the impact of methodology and site selection.
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