Region: SIO

                                     at46                  at48             at48/at46         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06900     0.02411     0.06981     0.02411     1.01311     0.00461
                  Rrs_412     0.01293     0.00211     0.01339     0.00216     1.03640     0.04266
                  Rrs_443     0.01037     0.00159     0.01045     0.00159     1.00845     0.00169
                  Rrs_488     0.00675     0.00060     0.00681     0.00060     1.00836     0.00119
                  Rrs_531     0.00239     0.00013     0.00242     0.00013     1.01311     0.00142
                  Rrs_547     0.00176     0.00013     0.00179     0.00013     1.01552     0.00205
                  Rrs_667     0.00015     0.00003     0.00017     0.00004     1.12458     0.07783
                  Rrs_678     0.00016     0.00004     0.00019     0.00005     1.16076     0.09001
                  aot_869     0.07558     0.01825     0.07551     0.01823     0.99909     0.00081
                 angstrom     0.55639     0.20921     0.56404     0.20973     1.01582     0.00705
                      flh     0.00277     0.00089     0.00352     0.00098     1.30910     0.18588