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How to convert the units of the variables(so4_a1,bc_a1)?

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791220903

lvzy
New Member
I am currently conducting sensitivity experiments using CESM, but I have encountered some issues. Could you please explain the meaning of the unit "kg/kg" for the aerosol concentration variables such as so4_a1 and so4_a2 in the model outputs? Additionally, how can these values be converted into µg/m³? I look forward to your reply.
 
R

rrbuchholz

Rebecca Buchholz
CSEG and Liaisons
Staff member
Hi Ivzy,
The unit kg/kg is a mass mixing ratio: kg of species per kg of air.
You can convert from kg/kg to kg/m3 by dividing by the density of air.
Best,
Rebecca
 
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