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The community atmospheric chemistry box model CAABA/MECCA-4.0

MPS-Authors
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Sander,  Rolf
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

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Cabrera-Perez,  David
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons100964

Gromov,  Sergey
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons100983

Harder,  Hartwig
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons192199

Karydis,  Vlassis A.
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons101196

Pozzer,  Andrea
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons101216

Riede,  Hella
Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

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Citation

Sander, R., Baumgaertner, A., Cabrera-Perez, D., Frank, F., Gromov, S., Grooss, J.-U., et al. (2019). The community atmospheric chemistry box model CAABA/MECCA-4.0. Geoscientific Model Development, 12(4), 1365-1385. doi:10.5194/gmd-12-1365-2019.


Cite as: https://hdl.handle.net/21.11116/0000-0003-EBEF-8
Abstract
We present version 4.0 of the atmospheric chemistry box model CAABA/MECCA that now includes a number of new features: (i) skeletal mechanism reduction, (ii) the Mainz Organic Mechanism (MOM) chemical mechanism for volatile organic compounds, (iii) an option to include reactions from the Master Chemical Mechanism (MCM) and other chemical mechanisms, (iv) updated isotope tagging, and (v) improved and new photolysis modules (JVAL, RADJIMT, DISSOC). Further, when MECCA is connected to a global model, the new feature of coexisting multiple chemistry mechanisms (PolyMECCA/CHEMGLUE) can be used. Additional 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-4.0 is a community model published under the GNU General Public License.