Region: global

                                     at41                  at42             at42/at41         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.28526     0.03564     0.29908     0.03704     1.04861     0.00300
                  Rrs_412     0.00929     0.00044     0.00929     0.00044     1.00028     0.00048
                  Rrs_443     0.00761     0.00029     0.00760     0.00029     0.99860     0.00039
                  Rrs_488     0.00567     0.00016     0.00568     0.00016     1.00191     0.00056
                  Rrs_531     0.00250     0.00007     0.00255     0.00007     1.02026     0.00121
                  Rrs_547     0.00191     0.00006     0.00197     0.00006     1.03193     0.00162
                  Rrs_667     0.00019     0.00001     0.00020     0.00001     1.06482     0.02441
                  Rrs_678     0.00021     0.00001     0.00022     0.00001     1.01171     0.02061
                  aot_869     0.08879     0.00399     0.08886     0.00400     1.00082     0.00019
                 angstrom     0.64237     0.06524     0.64193     0.06523     0.99932     0.00013
                      flh     0.00694     0.00086     0.00591     0.00084     0.84991     0.01543