University of Natural Resources and Life Sciences, Vienna (BOKU) - Research portal

Go directly to the nagivation.
Go directly to the content.

Navigation/Search

Inverse modelling of atmospheric trace constituents with Lagrangian models on the European scale.

Project Leader: Kromp-Kolb Helga, Project Leader

Duration:: 01.10.1998-31.12.2002

Programme:: EUROTRAC-2

Type of Research: Basic Research

Project partners: Ludwig Maximilian University Munich, Lehrstuhl für Bioklimatologie und Immissionsforschung, Am Hochanger 13 , D-85354 Freising-Weihenstephan, Germany.
Contact person: Dr. Andreas Stohl;
Function of the Project Partner: Partner; University of Wienna, Institute of Mathematics, A-1090 Wien, Austria.
Contact person: Prof. Arnold Neumaier;
Function of the Project Partner: Partner

Further information: http://www.boku.ac.at/imp/envmet/invmod.html

Staff: Seibert Petra, Project Staff; Wotawa Gerhard, Project Staff

BOKU Research Units: Institute of Meteorology and Climatology

Funded by: Fonds zur Förderung der wissenschaftlichen Forschung (FWF) , Sensengasse 1, 1090 Wien, Austria

Abstract: Air quality measurement networks such as the Europe-wide EMEP network have been installed, among other reasons, for tracking the success of emission reductions. In the past, this was possible only in a limited way because atmospheric transport and disper-sion couples emission and observed ambient concentrations and deposition. The project 'Inverse modelling of atmospheric trace constituents with lagrangian models on the European scale' is about the development and application of methods which allow to derive information on the sources of respective constituents from the wealth of existing air quality measurements, using dispersion models. For this purpose, source-receptor-relationships (how much contributes each source region to the impact at a measurement site during a measurement interval?) will be derived using numerical dispersion models. The emission strength in each source region will then be optimized in a way that the computed concentrations fit best the observed ones. In the present project, which is restricted to linear relationships as a first step, this is accomplished through the solution of a linear system of equations. In order to guarantee a reasonable solution of this gener-ally ill-conditioned problem, additional conditions have to be built in (regularisation). The methodology shall be applied to the recent European Tracer Experiment (ETEX) and to the iodine and caesium emissions of Chernobyl as well as the sulfur dioxide emission in Europe. All results will be compared with conventional emission inventories whose generation still suffers from a variety of methodological and practical problems and which are thus subject to considerable uncertainties. Another application are heavy metals for which even less is known about their emissions.

Keywords: meteorology; environmental research;; dispersion modelling; inverse modelling; atmospheric chemistry; Chernobyl;

Publications

** Stohl Andreas, Sabine Eckhardt, Caroline Forster, Paul James, Nicole Spichtinger and Petra Seibert A replacement for simple backtrajectory calculations in theinterpretation of atmospheric tracesubstance measurements.

Atmospheric Environment Volume 36, Issue 29, October 2002, Pages 4635-4648 WoS

Seibert, P., Frank, A., Kromp-Kolb, H. (2002): Inverse modelling of atmospheric trace substances on the regional scale with Lagrangian models.
[EOROTRAC Symposium 2002 - Transport and Chemical Transformation in the Troposphere, Garmisch-Partenkirchen, Germany, 11.03.2002 - 15.03.2002]

In: Midgley, P., Reuther, M. (Eds.), EUROTRAC Symposium 2002, 11-15 March 2002, Garmisch-Partenkirchen; Transport and Chemical Transformation in the Troposphere. , CDROM; Margraf Verlag, Weikersheim; ISBN 3-823-1385-5

Seibert, P. (2001): Source Reconstructions for the ETEX-1 Tracer Release with a Lagrangian Dispersion Model..

Proceedings of EUROTRAC Symposium 2000, Garmisch-Partenkirchen, Germany, 27-31 March 2000, Springer-Verlag, Berlin. 2001, ISBN 3-540-41983-7

Seibert, P. (2001): Uncertainties in atmospheric dispersion modelling and source determination..

Proc. Informal Workshop on Meteorological Modelling in Support of CTBT Verification, Vienna, Dec. 2000, CD-ROM FullText

Seibert, P. (2001): Inverse modelling with a Lagrangian particle dispersion model: application to point releases over limited time intervals..

In: Gryning, S. E., Schiermeier, F.A. (Eds.): Air Pollution Modeling and its Application XIV. Proc. of ITM Boulder. New York: Plenum Press, 381-389

Seibert, P. (2000): Inverse Modelling of Atmospheric Trace Substances on the Regional Scale with Lagrangian Models..

NOAA Aeronomy Laboratory, 19 May 2000, Boulder, USA FullText

Seibert, P. (2000): Inverse modelling with a Lagrangian particle dispersion model: application to pointreleases over limited time intervals..

In: Schiermeier, F.A., Gryning, S.-E. (Eds.): Proceedings of the Millenium International Technical Meeting on Air Pollution Modeling and its Application, 284-291. May 2000, Boulder; published by the American Metoeorological Society

Seibert, P., Stohl, A. (2000): Inverse modelling of the ETEX-1 release with a Lagrangian particle model..

In: Barone, G., Builtjes, P.J., Giunta, G. (Eds.): GLObal and REgional Atmospheric Modelling. Special Issue, 95-105. Proc. 3rd GLOREAM Workshop, Sept. 1999, Ischia, Italy FullText

Seibert, P. (1999): Inverse modelling of sulfur emissions in Europe based on trajectories..

In: Kasibhatla, P., Heimann, M., Rayner, P., Mahowald, N., Prinn, R. G., Hartley, D. E. (eds.): Inverse methods in global biogeochemical cycles. AGU Geophysical Monograph Series, 114, ISBN 0-87590-097-6, p. 147-154 FullText

Vorträge

Seibert, P. (2007): Atmosphärische Transportsimulation für die Verifikation von nuklearen Rüstungskontrollverträgen.

Kolloquium des Carl Friedrich von Weizsäcker-Zentrum für Naturwissenschaft und Friedensforschung (ZNF) an der Universität Hamburg, 13.12.2007, Hamburg

Seibert, P. (2001): Inverse Modellierung in der atmosphärischen Umweltforschung.

Berufungsverfahren zur Besetzung der Professur für Geophysik, Universität Graz

Seibert, P. (2000): Inverse Modelling of the ETEX First Release..

GENEMIS Workshop 2000, 25./26. September, Graz

Seibert, P. (2000): Inverse Modelling of Atmospheric Trace Substances with Lagrangian Models..

Canadian Meteorological Center, Dorval, Canada, 12 Oct

Seibert, P. (2000): Inverse Modelling of Atmospheric Trace Substances on the Regional Scale with Lagrangian Models..

NOAA Aeronomy Laboratory, 19 May 2000, Boulder, USA

Seibert, P. (2000): Quell-Rezeptor-Beziehungen Atmosphärischer Spurenbestandteile.

Habilitationskolloquium, 28.6.2000, Univ. f. Bodenkultur Wien

Seibert, P. (1999): Inverse Modellierung von ETEX..

Meteorologisches Privatissimum, 10.11.99, Institut für Meteorologie und Physik der BOKU

Seibert, P. (1998): Inverse Modellierung in der Umweltmeteorologie..

16.12.98: Meteorologisches Privatissimum, Institut für Meteorologie und Physik der BOKU

Seibert, P. (1998): Methods for inverse modelling of emissions..

3.11.98: GENEMIS Workshop (EUROTRAC-2 Subprojekt Generation of Emission Databases), Budapest (H)