"TRACER", "atmos_mod", "sphum"
           "longname",     "specific humidity"
           "units",        "kg/kg" /

# prognotic cloud scheme tracers
  "TRACER", "atmos_mod", "liq_wat"
            "longname",     "cloud liquid specific humidity"
            "units",        "kg/kg" /
  "TRACER", "atmos_mod", "ice_wat"
            "longname",     "cloud ice water specific humidity"
            "units",        "kg/kg" /
  "TRACER", "atmos_mod", "cld_amt"
            "longname",     "cloud fraction"
            "units",        "none" /

# test tracer for radon

# "TRACER", "atmos_mod", "radon"
#           "longname",     "radon test tracer"
#           "units",        "kg/kg" /

 "TRACER", "land_mod", "sphum"/