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Inverse of air density (alt) from wrf-chem output

Posted: Mon Jun 29, 2020 10:32 am
by sm2020
Hi All,
Is there any way to obtain variable alt (inverse of density of air) from output of WRF-Chem v3.9 model using NCAR Command Language (NCL)?
Note: variable 'alt' is used in chemistry modules of WRF-Chem to convert mixing ratio (in kg/kg-air) to concentration (ug/m3).

Re: Inverse of air density (alt) from wrf-chem output

Posted: Thu Jul 02, 2020 9:17 pm
by abjaye
Hi,

I'm sorry, but I don't really understand your questions. Are you just trying to extract the variable from the output, or calculate it?