Sulfate Aerosol Microphysics   

Utilizing CARMA with CAM will provide a more comprehensive treatment of aerosol growth.   Here's a comparison of growth packages in CAM alone and CARMA with CAM.

CAM
CAM takes the mass mixing ratio of sulfate in each grid box, parameterizes it into a log normal size distribution, and calculates the optical properties.

CARMA with CAM
CARMA keeps track of each species in numerous size-resolved bins.   Particle sizes change due to growth and coagulation.  The calculated size distributions are fed back to CAM and optical properties are calculated.

background courtesy of Bureau of Meteorology, Commonwealth of Australia

this page updated on July 4, 2007