IMP Institute of Meteorology and Physics
University of Natural Resources and Life Sciences, Vienna, Austria
Environmental Meteorology Group

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Project: Pannonian Ozone Project (POP)

Staff: Andreas Stohl, Gerhard Wotawa

Austrian Environmental Protection Agency
Austrian research Centre Seibersdorf Seibersdorf
RIVM, Netherlands

Summary: The Pannonian Ozone Project (POP) was initiated in 1993 with the aim to develop scientific tools to support the planning process for the reduction of summer ozone levels in North-eastern Austria. The project was carried out by the Austrian Research Centre Seibersdorf, the Institute for Meteorology and Physics (University for Agricultural Sciences, Vienna) and the Austrian Federal Environment Agency. POP was funded by the Austrian Federal Ministries for Science and Traffic Affairs, for Environment, Youth and Family, and for Agriculture and Forestry as well as by the Provinial Governments of Vienna, Lower Austria and Burgenland.

After 31/2 years of work the project has achieved the following results:

Conclusion: The tools developed within the Pannonian Ozone Project are useful to support strategic planning towards a reduction of summer ozone levels in North-eastern Austria. The first applications of the model in this project have led to the conclusions that peak ozone concentrations can be influenced by regional measures, whereas long-term large scale ozone levels can only be reduced by emission reductions in an European scale. These results are in line with conclusions from other international studies. The POP model has been implemented for further analyses in the Austrian Federal Environment Agency.

Further developments in the fields of Lagrangian Modelling at IMP Vienna:

Lagrangian photochemical modelling at IMP Vienna is currently done during the EC research project VOTALP. The model version of the POP model used and revised at the IMP is called IMPO-model. Two questions are adressed:


Kromp-Kolb H., A. Stohl, und G. Wotawa (1996): The IMPO Photochemical Modeling System - Description, Sensitivity Studies and Applications. Endbericht des Instituts für Meteorologie und Physik zum Pannonischen Ozonprojekt.

Stohl A., und H. Kromp-Kolb (1994): Analyse der Ozonsituation im Großraum Wien. Österreichische Beiträge zu Meteorologie und Geophysik. Heft 8. 135 p.

Stohl A., und H. Kromp-Kolb (1994): Origin of ozone in Vienna and surroundings. Atmos.Environ. 28, 1255-1266.

Stohl A., E. Williams, G. Wotawa, und H. Kromp-Kolb (1996): A European inventory of soil nitric oxide emissions and the effect of these emissions on the photochemical formation of ozone in Europe. Atmos. Environ. 30, 3741-3755.

Stohl A., G. Wotawa, H. Kromp-Kolb, W. Winiwarter, J. Züger, R. Baumann, und W. Spangl (1995): Ozone modelling in Eastern Austria. Proceedings of the 10th World Clean Air Congress, Espoo, Finland, May 28-June 2, 1995.

Winiwarter W., A. Stohl, G. Wotawa, J. Züger, G. Musalek, und H. Kromp-Kolb (1995): Das Pannonische Ozonmodell - Version 2.1. Seibersdorf Report, OEFZS-A-3602.

Wotawa G. (1992): Anwendbarkeit eines niederländischen Trajektorienmodelles für die Analyse der durch Regionaltransport verursachten Ozonkonzentrationen im ostösterreichischen Raum. Diplomarbeit an der Formal- und Naturwissenschaftlichen Fakultät der Universität Wien.

Wotawa G. (1996): Analyse und Modellierung von Ozon und anderen Luftschadstoffen in Ostösterreich. Dissertation in Vorbereitung.

Wotawa G., A. Stohl, und H. Kromp-Kolb (1995): Meteorological uncertainty and its influence on the results of a Lagrangian photochemical air quality simulation model. Proceedings of the EMEP Workshop on the Control of Photochemical Oxidants over Europe. 24-27 October 1995, St. Gallen, Switzerland. Bundesamt für Umwelt, Wald und Landschaft.

Wotawa G., A. Stohl, und H. Kromp-Kolb (1996): Parameterization of the planetary boundary layer over Europe - a data comparison between the observation based OML preprocessor and ECMWF model data. Contr. Atmos. Phys. 69, 273-284.

Wotawa G., A. Stohl, und H. Kromp-Kolb (1997): Estimating the uncertainty of a Lagrangian photochemical air quality simulation model caused by inexact meteorological input data. Reliability Engineering & System Safety, 57, 31-40 on-line.

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Last update: 16 Feb 1998 by G. Wotawa | URL of this page: