[%] polar      ARQM    ARQM_B       DLR     DLR_B      GISS    GISS_B  GISS_PRE       KYU     KYU_B   KYU_PRE       LOA     LOA_B   LOA_PRE      LSCE    LSCE_B  LSCE_PRE     MATCH   MATCH_B     MOZGN   MOZGN_B
     UIO_CTM UIO_CTM_BUIO_CTM_PR   UIO_GCM UIO_GCM_BUIO_GCM_PR      ULAQ    ULAQ_B  ULAQ_PRE       UMI     UMI_B   UMI_PRE   average

        DUST                                                                                                                                                                                                        
                                                                                                                                0.70
         SO4                                                                                                                                                                                                        
                                                                                                                                0.70
          BC                                                                                                                                                                                                        
                                                                                                                                0.70
         POM                                                                                                                                                                                                        
                                                                                                                                0.70
          SS                                                                                                                                                                                                        
                                                                                                                                0.70
         AER      3.47      5.11                                                        3.26                                    7.78      8.68                                                                      
                                      6.83      6.84      6.78     14.09     13.30     11.98      5.45      5.70                7.64

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range of mass fractions in polar regions

    Model         Min         Max       Range

     ARQM     3.47051     3.47051     0.00000
   ARQM_B     5.10701     5.10701     0.00000
      KYU     3.25951     3.25951     0.00000
    LOA_B     7.77828     7.77828     0.00000
  LOA_PRE     8.67996     8.67996     0.00000
  UIO_GCM     6.82804     6.82804     0.00000
UIO_GCM_B     6.83840     6.83840     0.00000
UIO_GCM_P     6.78289     6.78289     0.00000
     ULAQ    14.08970    14.08970     0.00000
   ULAQ_B    13.29876    13.29876     0.00000
 ULAQ_PRE    11.98476    11.98476     0.00000
      UMI     5.44915     5.44915     0.00000
    UMI_B     5.69534     5.69534     0.00000