Region: SPG

                                         vt21                    vt24                   vt24/vt21
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.02308     0.01237     0.02307     0.01238     0.99962     0.00092     1.00000     0.00386
                  Rrs_410     0.01778     0.00319     0.01778     0.00319     1.00000     0.00001     1.00000     0.00000
                  Rrs_443     0.01312     0.00197     0.01312     0.00197     1.00000     0.00001     1.00000     0.00068
                  Rrs_486     0.00756     0.00070     0.00756     0.00070     0.99999     0.00002     1.00000     0.00015
                  Rrs_551     0.00146     0.00008     0.00146     0.00008     0.99995     0.00009     1.00000     0.00072
                  Rrs_671     0.00013     0.00002     0.00013     0.00002     0.99997     0.00009     1.00000     0.00129
                  aot_862     0.07916     0.01795     0.07916     0.01795     1.00000     0.00001     1.00000     0.00024
                 angstrom     0.68844     0.18679     0.68845     0.18678     1.00000     0.00001     1.00000     0.00054
                  epsilon     1.04682     0.02179     1.04682     0.02179     1.00000     0.00000     1.00000     0.00000