For the past several decades, air quality models have mostly been limited area gridded models that are run sequentially (one-way) with limited area meteorology models.  Such systems rely on lateral boundary conditions from other sources and they cannot account for feedbacks from atmospheric chemistry to meteorology.  Both of these limitations can be addressed by integrated meteorology-chemistry models on a global mesh with refinements to local scale. There are currently several efforts to couple chemistry with the latest developments in global meteorology models.  This session, which should be a joint session with Atmospheric Chemistry, would highlight the development of the next generation of global muti-scale integrated chemistry-meteorology modeling systems.

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