A parameterization of sulphate production in convective clouds for use in large-scale models

A parameterization that describes in-cloud oxidation of S(IV) by hydrogen peroxide and ozone that is based on the reaction rate equations and basic cloud characteristics, has been developed for use in large-scale models. This parameterization is an explicit function of the concentration of ambient c...

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Bibliographic Details
Published in:Atmospheric research 1998-06, Vol.47, p.555-572
Main Authors: Song, Qingyuan, Leighton, H.G
Format: Article
Language:English
Subjects:
Convective clouds
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Parameterization
Sulphate production
Water in the atmosphere (humidity, clouds, evaporation, precipitation)
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Summary:A parameterization that describes in-cloud oxidation of S(IV) by hydrogen peroxide and ozone that is based on the reaction rate equations and basic cloud characteristics, has been developed for use in large-scale models. This parameterization is an explicit function of the concentration of ambient chemical species and some gross cloud parameters. Comparisons of the parameterization scheme with a well-established three-dimensional cloud chemistry model, and also with the cloud chemistry module of a regional model have been used to formulate and test this parameterization scheme. Results show that the parameterization agrees with the 3-D chemistry model very well and that the parameterization holds considerable potential for application in large-scale models.
ISSN:0169-8095
1873-2895
DOI:10.1016/S0169-8095(98)00064-7