Regional cause - global impact: Investigating the fate of atmospheric constituents with a combined Eulerian - Lagrangian atmospheric chemistry general circulation model

P. Jöckel (1), H. Riede(1), S. Brinkop (2), A. Pozzer (1), R. Sander (1), P. Hoor (1), H. Tost (1), A. Kerkweg (3), V. Grewe (4), R. Sausen (4) and J. Lelieveld (1)

(1) Max Planck Institute for Chemistry, Atmospheric Chemistry, Mainz, Germany
(2) Meteorological Institute, LMU, Munich, Germany
(3) Institute for Physics of the Atmosphere, University Mainz, Germany
(4) DLR-Institute for Physics of the Atmosphere, Oberpfaffenhofen, Germany

POSTER, IGAC 10th International Conference, Bridging the scales in Atmospheric Chemistry: Local to Global, 7 to 12 September 2008 in Annecy, France

Abstract. The atmospheric chemistry general circulation model ECHAM5/MESSy is combined with the Lagrangian transport scheme ATTILA and further developed towards a comprehensive representation of atmospheric chemistry related processes in the Lagrangian frame of reference. This includes the implementation of source, sink and transformation processes of atmospheric constituents. The Lagrangian representation provides a tremendous amount of additional information about spatio-temporal interrelations, which is not accessible from Eulerian models. Here, we apply the model system and newly developed diagnostic methods to investigate the impact of specific trace gas and air pollution source regions to the global chemical state of the atmosphere.