Metview Macro Library function. Computes the total column integrated mass for the "mdc" (mass density concentration) fields in a FLEXPART output GRIB file.
fieldset mvl_flexpart_total_column(...)
This function uses a set of named parameters as argument.
# to compute the total column integrated mass for all the ageclasses
g=mvl_flexpart_total_column("my_flexpart_output.grib",-1)