Region: SPG

                                     at86                  vt01             vt01/at86         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.01704     0.00319     0.02590     0.00018     1.55227     0.26206
          Rrs_412,Rrs_410     0.02062     0.00080     0.02114     0.00121     1.02515     0.02810
                  Rrs_443     0.01481     0.00067     0.01508     0.00082     1.01793     0.01555
          Rrs_488,Rrs_486     0.00778     0.00016     0.00856     0.00033     1.09930     0.02260
          Rrs_547,Rrs_551     0.00161     0.00002     0.00181     0.00009     1.12698     0.06805
          Rrs_667,Rrs_671     0.00014     0.00001     0.00015     0.00002     1.03372     0.20865
          aot_869,aot_862     0.08658     0.02017     0.09011     0.02386     1.13462     0.61410
                 angstrom     0.66456     0.22446     0.66228     0.21412     1.15322     0.70641