Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 16
Articles | Volume 25, issue 16
https://doi.org/10.5194/acp-25-9519-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-9519-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 16
Research article
 | 
28 Aug 2025
Research article |  | 28 Aug 2025

A WRF-Chem study of the greenhouse gas column and in situ surface concentrations observed in Xianghe, China – Part 1: Methane (CH4)

Sieglinde Callewaert, Minqiang Zhou, Bavo Langerock, Pucai Wang, Ting Wang, Emmanuel Mahieu, and Martine De Mazière

Data sets

WRF-Chem simulations of CO2, CH4 and CO around Xianghe, China Sieglinde Callewaert https://doi.org/10.18758/P34WJEW2

Hourly Data on Pressure Levels from 1940 to Present H. Hersbach et al. https://doi.org/10.24381/cds.bd0915c6

Hourly Data on Single Levels from 1940 to Present H. Hersbach et al. https://doi.org/10.24381/cds.adbb2d47

TCCON Data from Xianghe, China, Release GGG2020 (Version R0) M. Zhou et al. https://doi.org/10.14291/tccon.ggg2020.xianghe01.R0

TROPOMI Level 2 Methane Total Column Products ESA https://doi.org/10.5270/S5P-3lcdqiv

Model code and software

The Weather Research and Forecasting Model NCAR https://github.com/wrf-model/WRF

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Short summary
We used an atmospheric transport model and satellite data to study CH4 observations  in Xianghe, China. Our study shows the key source sectors that influence the concentrations and their respective importance. Furthermore, meteorological factors such as wind direction are discussed. This research highlights the challenges in accurately simulating these kinds of measurements and helps us to better understand CH4 variability in the region.
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