Atmos. Chem. Phys. Discuss., 6, 8189-8214, 2006
www.atmos-chem-phys-discuss.net/6/8189/2006/
doi:10.5194/acpd-6-8189-2006
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This discussion paper has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP.
Technical note: The MESSy-submodel AIRSEA calculating the air-sea exchange of chemical species
A. Pozzer, P. Jöckel, R. Sander, L. Ganzeveld, and J. Lelieveld
Max Planck Institute for Chemistry, Mainz, Germany

Abstract. 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 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 version 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 up to 300%.

Citation: Pozzer, A., Jöckel, P., Sander, R., Ganzeveld, L., and Lelieveld, J.: Technical note: The MESSy-submodel AIRSEA calculating the air-sea exchange of chemical species, Atmos. Chem. Phys. Discuss., 6, 8189-8214, doi:10.5194/acpd-6-8189-2006, 2006.
 
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