Region: global

                                     st74                  at51             at51/st74         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.30615     0.04186     0.34540     0.04887     1.12875     0.05276
                  chl_oc3     0.36132     0.07689     0.34540     0.04887     0.97213     0.09929
                  Rrs_412     0.00911     0.00039     0.00913     0.00041     1.00333     0.02142
                  Rrs_443     0.00749     0.00023     0.00748     0.00027     0.99816     0.01340
          Rrs_490,Rrs_488     0.00545     0.00010     0.00559     0.00013     1.02562     0.01122
          Rrs_510,Rrs_531     0.00342     0.00005     0.00253     0.00006     0.74070     0.01348
          Rrs_555,Rrs_547     0.00182     0.00005     0.00196     0.00005     1.08110     0.02570
          Rrs_670,Rrs_667     0.00027     0.00002     0.00022     0.00001     0.81749     0.04691
          Rrs_670,Rrs_678     0.00027     0.00002     0.00024     0.00002     0.89022     0.04923
          aot_865,aot_869     0.06664     0.00340     0.08228     0.00397     1.23607     0.05451
                 angstrom     0.79603     0.09503     0.83170     0.06184     1.05338     0.09184