Articles | Volume 8, issue 9
Geosci. Model Dev., 8, 2959–2965, 2015
https://doi.org/10.5194/gmd-8-2959-2015
Geosci. Model Dev., 8, 2959–2965, 2015
https://doi.org/10.5194/gmd-8-2959-2015

Development and technical paper 25 Sep 2015

Development and technical paper | 25 Sep 2015

Evaluation of modeled surface ozone biases as a function of cloud cover fraction

H. C. Kim et al.

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AR by Svenja Lange on behalf of the Authors (18 Aug 2015)  Author's response
ED: Publish as is (25 Aug 2015) by Gerd A. Folberth
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Short summary
This study focuses on the evaluation of regional air quality model's performance based on the cloud information from satellites. While cloud information is crucial in photochemistry model, the definitions of cloud fraction from model and satellite are not physically consistent. We demonstrate that improper modeling of cloud fraction is correlated with surface ozone bias, and we also show that current model cloud field might be too bright, causing an overestimation of surface ozone level.