Region: SPG

                                     st73                  at43             at43/st73         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02834     0.01305     0.02925     0.00895     1.13408     0.35040
                  chl_oc3     0.02756     0.01270     0.02925     0.00895     1.16435     0.35473
                  Rrs_412     0.01814     0.00234     0.01809     0.00241     0.99729     0.03360
                  Rrs_443     0.01324     0.00131     0.01356     0.00172     1.02118     0.04213
          Rrs_490,Rrs_488     0.00714     0.00033     0.00759     0.00058     1.06315     0.05211
          Rrs_510,Rrs_531     0.00354     0.00017     0.00235     0.00017     0.66587     0.05466
          Rrs_555,Rrs_547     0.00146     0.00013     0.00172     0.00015     1.18975     0.16075
          Rrs_670,Rrs_667     0.00020     0.00005     0.00012     0.00003     0.59829     0.19886
          Rrs_670,Rrs_678     0.00020     0.00005     0.00012     0.00004     0.60154     0.19349
          aot_865,aot_869     0.06342     0.01816     0.08025     0.02269     1.35404     0.46940
                 angstrom     0.53369     0.19571     0.44603     0.21910     0.87488     0.40230