Atmospheric Photooxidants

Penkett, Stuart A., Law, Kathy S., Cox, Tony, Kasibhatla, Prasad, Akimoto, Hajime, Atherton, Cyndi, Atlas, Elliot, Brenninkmeijer, Carl, Burrows, John, Carslaw, Nicola, Derwent, Richard G., Eisele, Fred, Emmons, Louisa, Fehsenfeld, Fred, Fishman, Jack, Granier, Claire, Heard, Dwayne, Hov, Øystein, Jacob, Daniel J., Jöckel, Patrick, Koike, M., Kondo, Yutaka, Lelieveld, Jos, Levy, Jonathan I., Marenco, Alain, Monks, Paul S., Montzka, Steve, Moody, Jenny, O'Connor, Fiona, Parrish, David, Pickering, Ken, Plane, John, Pszenny, Alex, Roelofs, Geert-Jan, Schlager, Hans, Seakins, Paul, Singh, Hanwant B., Stohl, Andreas and Thompson, Anne (2003) Atmospheric Photooxidants. In: Atmospheric Chemistry in a Changing World. Global Change - The IGBP Series . Springer, Berlin Heidelberg, pp. 73-124. ISBN 978-3-540-43050-6

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Abstract

Earth’s atmosphere is made up of 78% nitrogen and 21% oxygen. It is therefore highly oxidising but the oxygen only acts as the main source of the more reactive molecules and free radicals that provide the atmosphere’s real oxidising power. These are formed almost entirely by photochemistry and many involve coupling between ozone and water vapour, the influence of which on the overall oxidising power is often underestimated. The oxidants to be dealt with here therefore include ozone (O3), hydroxyl radicals (OH), peroxy radicals (both inorganic (HO2) and organic (RO2)), and peroxides (H2O2 and RO2H). Other oxidants include nitrate radicals (NO3) and halogen atoms; however, these play a subsidiary role and probably are unimportant over large parts of the atmosphere.

Item Type:	Book Section
Faculty \ School:	Faculty of Science > School of Environmental Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences Faculty of Science > Research Groups > Marine and Atmospheric Sciences (former - to 2017)
Depositing User:	Rosie Cullington
Date Deposited:	04 Jul 2011 08:53
Last Modified:	04 Jun 2024 10:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/33249
DOI:	10.1007/978-3-642-18984-5_3

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