[%] polar      ARQM       DLR      GISS    GOCART       KYU       LOA      LSCE     MATCH     MOZGN   MPI_HAM      PNNL     TM5_B   UIO_CTM   UIO_GCM      ULAQ       UMI   average

        DUST                                                                                                                                                                      3.59
         SO4                                                                                                                                                                      3.59
          BC                                                                                                                                                                      3.59
         POM                                                                                                                                                                      3.59
          SS                                                                                                                                                                      3.59
         AER      0.07                                    0.40      2.02      0.01                3.33      0.86      1.19      0.70      1.76      5.12      1.38                1.53

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range of mass fractions in polar regions

    Model         Min         Max       Range

     ARQM     0.06647     0.06647     0.00000
      KYU     0.40140     0.40140     0.00000
      LOA     2.02494     2.02494     0.00000
     LSCE     0.00636     0.00636     0.00000
    MOZGN     3.33012     3.33012     0.00000
  MPI_HAM     0.85642     0.85642     0.00000
     PNNL     1.18950     1.18950     0.00000
    TM5_B     0.69767     0.69767     0.00000
  UIO_CTM     1.75925     1.75925     0.00000
  UIO_GCM     5.11928     5.11928     0.00000
     ULAQ     1.37907     1.37907     0.00000