Articles | Volume 14, issue 6
Geosci. Model Dev., 14, 3813–3841, 2021
https://doi.org/10.5194/gmd-14-3813-2021
Geosci. Model Dev., 14, 3813–3841, 2021
https://doi.org/10.5194/gmd-14-3813-2021

Development and technical paper 24 Jun 2021

Development and technical paper | 24 Jun 2021

Effects of heterogeneous reactions on tropospheric chemistry: a global simulation with the chemistry–climate model CHASER V4.0

Phuc T. M. Ha et al.

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Short summary
Policies to mitigate air pollution require an understanding of tropospheric oxidizing capacity, which is controlled by mechanisms including heterogeneous processes on aerosols and clouds. This study uses a chemistry–climate model CHASER (MIROC) to explore the heterogeneous effects in the troposphere for -2.96 % O3, -2.19 % NOx, +3.28 % CO, and +5.91 % CH4 lifetime. Besides, these processes affect polluted areas and remote areas and can bring challenges to pollution reduction efforts.