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How the aerosol mass mixing ratio is defined in CAM4?

A

amatcaos@caos_iisc_ernet_in

Member
Hi,How the aerosol mass mixing ratio is defined in CAM4?In CAM4 input aerosol file, aero_1.9x2.5_L26_1850clim_c091112.nc, all the aerosols are having kg/kg units. Does this mean that the numbers are ratio of mass of aerosol to the mass of dry air, for each model precribed pressure levels (the hybrid sigma-pressure levels) or the actual pressure levels (which will change with time)?
ThanksAngshuman
 
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