Articles | Volume 5, issue 2
Atmos. Chem. Phys., 5, 445–450, 2005
https://doi.org/10.5194/acp-5-445-2005

Special issue: The atmospheric chemistry box model CAABA/MECCA (GMD/ACP inter-journal...

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

Atmos. Chem. Phys., 5, 445–450, 2005
https://doi.org/10.5194/acp-5-445-2005

  11 Feb 2005

11 Feb 2005

Technical note: The new comprehensive atmospheric chemistry module MECCA

R. Sander, A. Kerkweg, P. Jöckel, and J. Lelieveld R. Sander et al.
  • Air Chemistry Department, Max-Planck-Institute of Chemistry, P.O. Box 3060, 55020 Mainz, Germany

Abstract. In this technical note we present the multi-purpose atmospheric chemistry model MECCA. Owing to its versatility and modular structure, it can be used for tropospheric as well as stratospheric chemistry calculations. Extending the code to other domains (e.g. mesospheric or oceanic chemistry) is easily possible. MECCA contains a comprehensive atmospheric reaction mechanism that currently includes: 1) the basic O3, CH4, HOx, and NOx chemistry, 2) non-methane hydrocarbon (NMHC) chemistry, 3) halogen (Cl, Br, I) chemistry, and 4) sulfur chemistry. Not only gas-phase chemistry but also aqueous-phase and heterogeneous reactions are considered. Arbitrary subsets of the comprehensive mechanism can be selected according to the research objectives. The program code resulting from the chemical mechanism can easily be used in any model, from a simple box model to a comprehensive global general circulation model.

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