Region: SPG

                                         vt41                    vt42                   vt42/vt41
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.03607     0.01704     0.03595     0.01691     0.99731     0.00377     0.99995     0.37988
                  Rrs_410     0.01813     0.00304     0.01818     0.00305     1.00238     0.00186     0.99989     0.20779
                  Rrs_443     0.01291     0.00190     0.01288     0.00192     0.99776     0.00272     0.99978     0.23620
                  Rrs_486     0.00753     0.00069     0.00750     0.00070     0.99546     0.00413     0.99866     0.42579
                  Rrs_551     0.00146     0.00007     0.00144     0.00008     0.98388     0.01518     0.91690     1.57351
                  Rrs_671     0.00013     0.00002     0.00012     0.00002     0.95208     0.01819     0.99047     4.46487
                  aot_862     0.08471     0.02003     0.08477     0.01988     1.00117     0.00782     0.99894     0.62884
                 angstrom     0.65499     0.17600     0.64241     0.17053     0.98253     0.03273     0.98617     1.87344
                  epsilon     1.03848     0.01977     1.03733     0.01944     0.99890     0.00202     0.98891     0.13965