Ozone and hydrogen peroxide during summer smog episodes over the Swiss Plateau: Measurements and model simulations

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Ozone and hydrogen peroxide during summer smog episodes over the Swiss Plateau: Measurements and model simulations

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Title: Ozone and hydrogen peroxide during summer smog episodes over the Swiss Plateau: Measurements and model simulations
Author: Dommen, Josef; Neftel, Albrecht; Sigg, Andreas; Jacob, Daniel James

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Citation: Dommen, Josef, Albrecht Neftel, Andreas Sigg, and Daniel J. Jacob. 1995. “Ozone and Hydrogen Peroxide During Summer Smog Episodes over the Swiss Plateau: Measurements and Model Simulations.” Journal of Geophysical Research 100, issue D5: 8953-8966.
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Abstract: As part of the POLLUMET (Pollution and Meteorology in Switzerland) study, measurements of O3, NO2, and H2O2 were made at ground stations, by aircraft, and manned hydrogen balloons to characterize the photochemical processes prevailing during times of high ozone production. During summer smog episodes, elevated ozone concentrations were found over the whole area of the Swiss Plateau, which is a densely populated and industrialized region. However, NO2 concentrations were generally at a low level in the afternoon. An increase of hydrogen peroxide concentration in the mixing layer during photochemical episodes was observed. To understand better the photochemical processes which control ozone formation over the Swiss Plateau, calculations with the Harvard photochemical model and the Harwell photochemical trajectory model were conducted. A comparison of model results with measurements of the triad O3, NO2, and H2O2 indicates an ozone formation under low NOx conditions.
Published Version: doi:10.1029/94JD03124
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:14117771
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