Articles | Volume 16, issue 5
Atmos. Chem. Phys., 16, 3127–3144, 2016
https://doi.org/10.5194/acp-16-3127-2016
Atmos. Chem. Phys., 16, 3127–3144, 2016
https://doi.org/10.5194/acp-16-3127-2016

Research article 09 Mar 2016

Research article | 09 Mar 2016

The impact of observation nudging on simulated meteorology and ozone concentrations during DISCOVER-AQ 2013 Texas campaign

Xiangshang Li et al.

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Short summary
We performed a a month-long sensitivity study of obs-nudging on meteorology and ozone chemistry. Notable increases in temperature and wind performance were observed after obs-nudging with hourly nudging files. PBL height also matched better in the sensitivity case. The model ozone improved at ground level and aloft but to a lesser degree. An examination of a high ozone episode showed that the current nudging process does not perform consistently – quite well at times while poor at other times.
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