Articles | Volume 18, issue 12
Atmos. Chem. Phys., 18, 9107–9120, 2018
https://doi.org/10.5194/acp-18-9107-2018
Atmos. Chem. Phys., 18, 9107–9120, 2018
https://doi.org/10.5194/acp-18-9107-2018

Research article 29 Jun 2018

Research article | 29 Jun 2018

Tropospheric HONO distribution and chemistry in the southeastern US

Chunxiang Ye et al.

Data sets

SAS Data Sets SAS Southeast Atmosphere Study http://data.eol.ucar.edu/master_list/?project=SAS

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Short summary
Substantial levels of HONO existed during the day throughout the troposphere over the southeastern US during NOMADSS 2013. Particulate nitrate photolysis appeared to be the major volume HONO source, while NOx was an important HONO precursor only in industrial and urban plumes. HONO was not a significant OH radical precursor in the rural troposphere away from the ground surface; however, its production from particulate nitrate photolysis was an important renoxification pathway.
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