The Community Atmosphere Model with Chemistry (CAM-chem) is a component of the NCAR Community Earth System Model (CESM) and is used for simulations of global tropospheric and stratospheric atmospheric composition.  CAM-chem uses the MOZART chemical mechanism, with various choices of complexity for tropospheric and stratospheric chemistry.  The current version of CAM-chem is described in Lamarque et al. (2012).

More information is available from the CESM Chemistry Climate Working Group webpage.

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ACOM | Atmospheric Chemistry Observations & Modeling