Articles | Volume 12, issue 1
Geosci. Model Dev., 12, 111–130, 2019
https://doi.org/10.5194/gmd-12-111-2019
Geosci. Model Dev., 12, 111–130, 2019
https://doi.org/10.5194/gmd-12-111-2019

Model evaluation paper 04 Jan 2019

Model evaluation paper | 04 Jan 2019

Global tropospheric effects of aromatic chemistry with the SAPRC-11 mechanism implemented in GEOS-Chem version 9-02

Yingying Yan et al.

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Latest update: 15 Sep 2021
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Short summary
The GEOS-Chem model has been updated with the SAPRC-11 aromatics chemical mechanism to evaluate global and regional effects of aromatics on tropospheric oxidation capacity. Our results reveal relatively slight changes in ozone, hydroxyl radical, and nitrogen oxides on a global mean basis (1–4 %), although remarkable regional differences (5–20 %) exist near the source regions. Improved representation of aromatics is important to simulate the tropospheric oxidation.