Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 22, issue 4
Articles | Volume 22, issue 4
https://doi.org/10.5194/acp-22-2689-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-2689-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 4
Research article
 | 
01 Mar 2022
Research article |  | 01 Mar 2022

Evaluation of the daytime tropospheric loss of 2-methylbutanal

María Asensio, María Antiñolo, Sergio Blázquez, José Albaladejo, and Elena Jiménez

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Latest update: 26 Jul 2025
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Short summary
The diurnal atmospheric degradation of 2-methylbutanal, 2 MB, emitted by sources like vegetation or the poultry industry is evaluated in this work. Sunlight and oxidants like hydroxyl (OH) radicals and chlorine (Cl) atoms initiate this degradation. Measurements of how fast 2 MB is degraded and what products are generated are presented. The lifetime of 2 MB is around 1 h at noon, when the OH reaction dominates. Thus, 2 MB will not be transported far, affecting only local air quality.
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