Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 18
Articles | Volume 19, issue 18
https://doi.org/10.5194/gmd-19-8959-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-8959-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 18
Model description paper
 | 
22 Sep 2026
Model description paper |  | 22 Sep 2026

A simplified isoprene oxidation mechanism for fast formaldehyde-based emission inversion of isoprene

Glenn-Michael Oomen, Jean-François Müller, Trissevgeni Stavrakou, Isabelle De Smedt, Vincent Huijnen, Flora Kluge, Antje Inness, and Johannes Flemming

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Short summary
We developed a strongly simplified mechanism for isoprene oxidation that reduces the computational cost of atmospheric chemistry while retaining the key processes controlling formaldehyde formation. Its parameters were optimized using box-model simulations, and the mechanism reproduces the full chemistry well in global simulations. It also gives similar isoprene emissions when constrained by satellite formaldehyde observations, enabling faster large-scale simulations and emission inversions.
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