Region: global

                                         vt21                    vt22                   vt22/vt21
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.29856     0.04514     0.34667     0.05755     1.15918     0.04543     0.94738    15.26863
                  Rrs_410     0.00928     0.00044     0.00884     0.00044     0.95303     0.02676     0.68720     4.80120
                  Rrs_443     0.00773     0.00031     0.00739     0.00027     0.95608     0.01768     0.79360     4.62888
                  Rrs_486     0.00577     0.00017     0.00559     0.00018     0.96884     0.00967     0.90003     3.56631
                  Rrs_551     0.00186     0.00006     0.00185     0.00006     0.99453     0.01093     0.88445     1.13858
                  Rrs_671     0.00025     0.00001     0.00025     0.00001     1.00687     0.01869     0.87403     1.30521
                  aot_862     0.09386     0.00407     0.09282     0.00413     0.98887     0.00420     0.99124     0.99228
                 angstrom     0.73389     0.04369     0.73028     0.03925     0.99704     0.05805     0.20701     4.86704
                  epsilon     1.05457     0.00546     1.05418     0.00500     0.99965     0.00514     0.21399     0.42479