Atmos. Chem. Phys. Discuss., 8, 1833-1912, 2008
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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.
Online coupled meteorology and chemistry models: history, current status, and outlook
Y. Zhang
North Carolina State University, Raleigh, NC, USA

Abstract. The climate-chemistry-aerosol-cloud-radiation feedbacks are important processes occurring in the atmosphere. Accurately simulating those feedbacks requires fully-coupled meteorology, climate, and chemistry models and presents significant challenges in terms of both scientific understanding and computational demand. This paper reviews the history and current status of development and application of online coupled models. Several representative online coupled meteorology and chemistry models developed in the U.S. such as GATOR-GCMOM, WRF/Chem, CAM3, MIRAGE, and Caltech unified GCM are included along with case studies. Major model features, physical/chemical treatments, as well as typical applications are compared with a focus on aerosol microphysics treatments, aerosol feedbacks to planetary boundary layer meteorology, and aerosol-cloud interactions. Recommendations for future development and improvement of online coupled models are provided.

Citation: Zhang, Y.: Online coupled meteorology and chemistry models: history, current status, and outlook, Atmos. Chem. Phys. Discuss., 8, 1833-1912, doi:10.5194/acpd-8-1833-2008, 2008.
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