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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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Volume 4, issue 2
Geosci. Model Dev., 4, 373-380, 2011
https://doi.org/10.5194/gmd-4-373-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The atmospheric chemistry box model CAABA/MECCA

Special issue: The Modular Earth Submodel System (MESSy) (ACP/GMD inter-journal...

Geosci. Model Dev., 4, 373-380, 2011
https://doi.org/10.5194/gmd-4-373-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Model description paper 06 May 2011

Model description paper | 06 May 2011

The atmospheric chemistry box model CAABA/MECCA-3.0

R. Sander1, A. Baumgaertner1,*, S. Gromov1, H. Harder1, P. Jöckel1,**, A. Kerkweg1,***, D. Kubistin1, E. Regelin1, H. Riede1, A. Sandu2, D. Taraborrelli1, H. Tost1,***, and Z.-Q. Xie3 R. Sander et al.
  • 1Air Chemistry Department, Max-Planck Institute of Chemistry, P.O. Box 3060, 55020 Mainz, Germany
  • 2Department of Computer Science, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24060, USA
  • 3Institute of Polar Environment, University of Science and Technology of China, Hefei, Anhui, 230026, China
  • *now at: Deutsches Zentrum für Luft- und Raumfahrt (DLR), Project Management Agency, 53227 Bonn, Germany
  • **now at: Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre, Oberpfaffenhofen, 82230 Wessling, Germany
  • ***now at: Institute for Atmospheric Physics, University Mainz, 55128 Mainz, Germany

Abstract. We present version 3.0 of the atmospheric chemistry box model CAABA/MECCA. In addition to a complete update of the rate coefficients to the most recent recommendations, a number of new features have been added: chemistry in multiple aerosol size bins; automatic multiple simulations reaching steady-state conditions; Monte-Carlo simulations with randomly varied rate coefficients within their experimental uncertainties; calculations along Lagrangian trajectories; mercury chemistry; more detailed isoprene chemistry; tagging of isotopically labeled species. Further changes have been implemented to make the code more user-friendly and to facilitate the analysis of the model results. Like earlier versions, CAABA/MECCA-3.0 is a community model published under the GNU General Public License.

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