Evaluating present-day and future impacts  of agricultural ammonia emissions on  atmospheric chemistry and climate

Beaudor, Maureen; Hauglustaine, Didier; Lathière, Juliette; Van Damme, Martin; Clarisse, Lieven; Vuichard, Nicolas

doi:https://doi.org/10.5194/acp-25-2017-2025

Articles | Volume 25, issue 4

https://doi.org/10.5194/acp-25-2017-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-25-2017-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 4

Research article

|

17 Feb 2025

Research article |

| 17 Feb 2025

Evaluating present-day and future impacts of agricultural ammonia emissions on atmospheric chemistry and climate

Maureen Beaudor, Didier Hauglustaine, Juliette Lathière, Martin Van Damme, Lieven Clarisse, and Nicolas Vuichard

Supplement

https://doi.org/10.5194/acp-25-2017-2025-supplement

Data sets

Global agricultural ammonia emissions simulated with the ORCHIDEE land surface model: model ouput data Maureen Beaudor et al. https://doi.org/10.5281/zenodo.6818373

Global ammonia emissions from CAMEO throughout the century for 3 scenarios (2000-2100) Maureen Beaudor et al. https://doi.org/10.5281/zenodo.10100435

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Short summary

Agriculture is the biggest ammonia (NH₃) source, impacting air quality, climate, and ecosystems. Because of food demand, NH₃ emissions are projected to rise by 2100. Using a global model, we analyzed the impact of present and future NH₃ emissions generated from a land model. Our results show improved ammonia patterns compared to a reference inventory. Future scenarios predict up to 70 % increase in global NH₃ burden, with significant changes in radiative forcing that can greatly elevate N₂O.