Articles | Volume 25, issue 19
https://doi.org/10.5194/acp-25-12379-2025
https://doi.org/10.5194/acp-25-12379-2025
Research article
 | 
08 Oct 2025
Research article |  | 08 Oct 2025

Global atmospheric inversion of the anthropogenic NH3 emissions over 2019–2022 using the LMDZ-INCA chemistry transport model and the IASI NH3 observations

Pramod Kumar, Grégoire Broquet, Didier Hauglustaine, Maureen Beaudor, Lieven Clarisse, Martin Van Damme, Pierre Coheur, Anne Cozic, Bo Zheng, Beatriz Revilla Romero, Antony Delavois, and Philippe Ciais

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Cited articles

Beale, C. A., Paulot, F., Randles, C. A., Wang, R., Guo, X., Clarisse, L., Van Damme, M., Coheur, P. F., Clerbaux, C., Shephard, M. W., Dammers, E., Cady-Pereira, K., and Zondlo, M. A.: Large sub-regional differences of ammonia seasonal patterns over India reveal inventory discrepancies, Environ. Res. Lett., 17, 104006, https://doi.org/10.1088/1748-9326/AC881F, 2022. 
Beaudor, M., Vuichard, N., Lathière, J., Evangeliou, N., Van Damme, M., Clarisse, L., and Hauglustaine, D.: Global agricultural ammonia emissions simulated with the ORCHIDEE land surface model, Geosci. Model Dev., 16, 1053–1081, https://doi.org/10.5194/gmd-16-1053-2023, 2023. 
Beaudor, M., Vuichard, N., Lathière, J., and Hauglustaine, D.: Future trends of global agricultural emissions of ammonia in a changing climate, Journal of Advances in Modeling Earth Systems, 17, e2023MS004186, https://doi.org/10.1029/2023MS004186, 2025. 
Beer, R., Shephard, M. W., Kulawik, S. S., Clough, S. A., Eldering, A., Bowman, K. W., Sander, S. P., Fisher, B. M., Payne, V. H., Luo, M., Osterman, G. B., and Worden, J. R.: First satellite observations of lower tropospheric ammonia and methanol, Geophys. Res. Lett., 35, L09801, https://doi.org/10.1029/2008GL033642, 2008. 
Behera, S. N., Sharma, M., Aneja, V. P., and Balasubramanian, R.: Ammonia in the atmosphere: A review on emission sources, atmospheric chemistry and deposition on terrestrial bodies, Environ. Sci. Pollut. Res., 20, 8092–8131, https://doi.org/10.1007/S11356-013-2051-9, 2013. 
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Short summary
Global maps of the NH3 emissions over 2019–2022 are derived using IASI NH3 spaceborne observations, the LMDZ-INCA chemistry transport model at 1.27°×2.5° resolution, and the mass-balance approach. The average global NH3 emissions over the period are ~97 Tg NH3 yr-1, which is significantly higher than three reference inventories. The analysis provides confidence in the seasonal variability and regional budgets and provides new insights into NH3 emissions at global and regional scales.
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