[%] 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                                                                                                                                                                                                        
                                                                                                                            ********
         SO4                                                                                                                                                                                                        
                                                                                                                            ********
          BC                                                       31.57                                                                                     24.83                                                  
                                                                                                           32.50               29.63
         POM                                                    ********                                                                                                                                            
                                                                                                                            ********
          SS                                                                                                                                                                                                        
                                                                                                                            ********
         AER                                                    ********                                                                                                                                            
                                                                                                                            ********

*********************************************************

range of mass fractions in polar regions

    Model         Min         Max       Range

   GISS_B    31.57292************************
   LSCE_B    24.82849    24.82849     0.00000
    UMI_B    32.49764    32.49764     0.00000