Region: global

                                     at56                  at57             at57/at56         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.32440     0.01805     0.32698     0.01510     1.00822     0.00954
                  Rrs_412     0.00958     0.00072     0.00957     0.00072     0.99909     0.00032
                  Rrs_443     0.00773     0.00051     0.00772     0.00052     0.99922     0.00027
                  Rrs_488     0.00573     0.00005     0.00573     0.00005     0.99936     0.00017
                  Rrs_531     0.00263     0.00003     0.00263     0.00004     0.99896     0.00046
                  Rrs_547     0.00205     0.00004     0.00205     0.00004     0.99872     0.00060
                  Rrs_667     0.00024     0.00001     0.00024     0.00001     0.99673     0.00120
                  Rrs_678     0.00026     0.00001     0.00026     0.00001     0.99773     0.00084
                  aot_869     0.08085     0.00275     0.08116     0.00287     1.00376     0.00137
                 angstrom     0.80189     0.10935     0.80109     0.10955     0.99898     0.00039
                      flh     0.00526     0.00056     0.00527     0.00056     1.00159     0.00027