Region: global

                                         vt21                    vt23                   vt23/vt21
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.29824     0.04509     0.34493     0.05735     1.15506     0.05503     0.91541    14.31503
                  Rrs_410     0.00928     0.00044     0.00885     0.00044     0.95356     0.02901     0.64672     4.93153
                  Rrs_443     0.00773     0.00031     0.00739     0.00027     0.95629     0.02004     0.73747     4.79171
                  Rrs_486     0.00577     0.00017     0.00560     0.00018     0.96963     0.01219     0.84726     3.66196
                  Rrs_551     0.00186     0.00006     0.00185     0.00007     0.99292     0.01521     0.81481     1.57930
                  Rrs_671     0.00025     0.00001     0.00025     0.00001     0.99406     0.02893     0.72004     2.93726
                  aot_862     0.09382     0.00406     0.09352     0.00414     0.99683     0.00401     0.99203     0.20108
                 angstrom     0.73402     0.04361     0.72751     0.03509     0.99279     0.04701     0.37791     3.49830
                  epsilon     1.05458     0.00545     1.05377     0.00442     0.99924     0.00415     0.38799     0.30379