Region: SIO

                                         vt21                    vt22                   vt22/vt21
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.04743     0.02020     0.05143     0.02171     1.08696     0.04462     0.99441     8.47731
                  Rrs_410     0.01345     0.00227     0.01296     0.00222     0.96339     0.02235     0.98242     3.08290
                  Rrs_443     0.01086     0.00158     0.01047     0.00155     0.96433     0.01551     0.98862     3.29101
                  Rrs_486     0.00694     0.00066     0.00674     0.00067     0.97132     0.00909     0.99230     2.98118
                  Rrs_551     0.00151     0.00010     0.00150     0.00010     0.99486     0.01407     0.95509     1.44802
                  Rrs_671     0.00013     0.00002     0.00013     0.00002     1.01006     0.03082     0.94591     1.70272
                  aot_862     0.07461     0.02174     0.07367     0.02146     0.98746     0.00560     0.99957     1.12114
                 angstrom     0.83904     0.24096     0.83031     0.23697     0.99147     0.06349     0.95075     4.49733
                  epsilon     1.06923     0.03121     1.06821     0.03067     0.99908     0.00646     0.94934     0.49174