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Cited by 599

The DOI matches its Crossref record; 145 of the 145 references it cites were found in a registry or an index.

Tropospheric OH and HO2 radicals: field measurements and model comparisons

Stone, Daniel, Whalley, Lisa K., Heard, Dwayne E.·2012·Chemical Society Reviews

Abstract

The hydroxyl radical, OH, initiates the removal of the majority of trace gases in the atmosphere, and together with the closely coupled species, the hydroperoxy radical, HO(2), is intimately involved in the oxidation chemistry of the atmosphere. This critical review discusses field measurements of local concentrations of OH and HO(2) radicals in the troposphere, and in particular the comparisons that have been made with numerical model calculations containing a detailed chemical mechanism. The level of agreement between field measurements of OH and HO(2) concentrations and model calculations for a given location provides an indication of the degree of understanding of the underlying oxidation chemistry. We review the measurement-model comparisons for a range of different environments sampled from the ground and from aircraft, including the marine boundary layer, continental low-NO(x) regions influenced by biogenic emissions, the polluted urban boundary layer, and polar regions. Although good agreement is found for some environments, there are significant discrepancies which remain unexplained, a notable example being unpolluted, forested regions. OH and HO(2) radicals are difficult species to measure in the troposphere, and we also review changes in detection methodology, quality assurance procedures such as instrument intercomparisons, and potential interferences.

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Crossref · 10.1039/c2cs35140d

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Metadata

Authors
Stone, D., Whalley, L. K., & Heard, D. E.
Venue
Chemical Society Reviews
Published
2012
Volume
41
Issue
19
Pages
6348
ISSN
  • 0306-0012 (ISSN-L)
  • 1460-4744
OpenAlex
W1980182854
Cited by
599
References
145
FWCI
2.57
Type
journal article
Language
en
Open access
closed

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