Articles | Volume 20, issue 16
Atmos. Chem. Phys., 20, 9837–9854, 2020
https://doi.org/10.5194/acp-20-9837-2020
Atmos. Chem. Phys., 20, 9837–9854, 2020
https://doi.org/10.5194/acp-20-9837-2020

Research article 24 Aug 2020

Research article | 24 Aug 2020

An inversion of NOx and non-methane volatile organic compound (NMVOC) emissions using satellite observations during the KORUS-AQ campaign and implications for surface ozone over East Asia

Amir H. Souri et al.

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Short summary
For the first time, we provide a joint nonlinear optimal estimate of NOx and NMVOC emissions during the KORUS-AQ campaign by simultaneously incorporating SAO's new product of HCHO columns from OMPS and OMI tropospheric NO2 columns into a regional model. Results demonstrate a promising improvement in the performance of the model in terms of HCHO and NO2 concentrations, which in turn enables us to quantify the impact of the emission changes on different pathways of ozone formation and loss.
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