Gabriele Rau, Kathrin Baumann, Erwin Polreich, Matthias Langer
Transport Modelling Applications for different Scales
The Environmental Department at the Central Institute for Meteorology
and Geodynam-ics is engaged in research and consulting in the areas
of air pollution transport and depo-sition. Three case studies are presented
in order to give an overview of the different types of models that are
used at the ZAMG.
Local scale trajectories based on diagnostic wind field calculations
are used to investi-gate episodes with high particle matter (PM10) concentrations
at stations of the air quality network in Vienna.
The dispersion of an odour plume over Vienna is simulated with a regional
scale lagrangian model (Schorling & Partner, 1996) based on all
available meteorological observations.
Long-range trajectories, trajectory statistics and inspection of satellite
images reveal the most probable source areas when large scale transport
of dust caused measured high particle matter concentrations.
The data from the dense observational network of the ZAMG (approximately
125 stations) and a close cooperation with national and international
institutions such as municipal services and the ECMWF provide a high-quality
input for the various models.