Region: SIO

                                     at56                  at57             at57/at56         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.07064     0.03062     0.07056     0.03058     0.99877     0.00002
                  Rrs_412     0.01352     0.00416     0.01351     0.00415     0.99951     0.00009
                  Rrs_443     0.01092     0.00320     0.01091     0.00320     0.99960     0.00022
                  Rrs_488     0.00702     0.00115     0.00702     0.00115     0.99960     0.00024
                  Rrs_531     0.00252     0.00014     0.00252     0.00014     0.99914     0.00018
                  Rrs_547     0.00186     0.00010     0.00186     0.00010     0.99886     0.00008
                  Rrs_667     0.00019     0.00003     0.00019     0.00003     0.99778     0.00095
                  Rrs_678     0.00020     0.00005     0.00020     0.00005     0.99853     0.00070
                  aot_869     0.05885     0.00548     0.05904     0.00542     1.00318     0.00129
                 angstrom     0.76702     0.28090     0.76600     0.28048     0.99869     0.00007
                      flh     0.00327     0.00041     0.00327     0.00040     1.00198     0.00149