Region: SPG

                                         vt40                    vt44                   vt44/vt40
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.03768     0.01740     0.03775     0.01742     1.00166     0.00104     0.99999     0.16340
                  Rrs_410     0.01769     0.00308     0.01746     0.00308     0.98664     0.00293     0.99995     1.25860
                  Rrs_443     0.01272     0.00190     0.01268     0.00190     0.99734     0.00098     0.99997     0.24055
                  Rrs_486     0.00748     0.00071     0.00744     0.00071     0.99379     0.00133     0.99986     0.59902
                  Rrs_551     0.00147     0.00007     0.00146     0.00007     0.98910     0.00406     0.99153     1.01169
                  Rrs_671     0.00013     0.00002     0.00013     0.00002     0.96816     0.02205     0.96091     2.79018
                  aot_862     0.08752     0.02077     0.08746     0.02094     0.99895     0.00686     0.99864     0.18911
                 angstrom     0.70823     0.19549     0.71046     0.19598     1.00308     0.00401     0.99988     0.30454