Atmospheric Chemistry and Physics
www.atmos-chem-phys.net
1680-7316
1680-7324
6
12
2006
10.5194/acp-6-5435-2006
http://www.atmos-chem-phys.net/6/5435/2006/
http://www.atmos-chem-phys.net/6/5435/2006/acp-6-5435-2006.html
http://www.atmos-chem-phys.net/6/5435/2006/acp-6-5435-2006.pdf
5435
5444
2006-12-05
Technical Note: The MESSy-submodel AIRSEA calculating the air-sea exchange of chemical species
A. Pozzer
pozzer@mpch-mainz.mpg.de
P. Jöckel
R. Sander
J. Williams
L. Ganzeveld
J. Lelieveld
Max Planck Institute for Chemistry, Mainz, Germany
The new submodel AIRSEA for the Modular Earth Submodel System (MESSy) is
presented. It calculates the exchange of chemical species between the ocean
and the atmosphere with a focus on organic compounds. The submodel can be
easily extended to a large number of tracers, including highly soluble
ones. It is demonstrated that the application of explicitly calculated air-sea
exchanges with AIRSEA can induce substantial changes in the simulated
tracer distributions in the troposphere in comparison to a model setup in
which this process is neglected. For example, the simulations of acetone,
constrained with measured oceanic concentrations, shows relative changes in
the atmospheric surface layer mixing ratios over the Atlantic Ocean of up to 300%.
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