[%] polar  GISS_PRE   KYU_PRE   LOA_PREUIO_CTM_PRUIO_GCM_PR  ULAQ_PRE   UMI_PRE   average

         SO4     63.61     41.82     54.41     49.22     58.47     58.60               54.35
          BC      1.82      3.95      2.54      2.58      1.99      3.69                2.76