Region: SPG

                                         vt40                    vt42                   vt42/vt40
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.03766     0.01737     0.03659     0.01701     0.97202     0.04895     0.98867     2.29552
                  Rrs_410     0.01770     0.00308     0.01804     0.00305     1.02058     0.00823     0.99864     2.02770
                  Rrs_443     0.01272     0.00190     0.01280     0.00192     1.00633     0.01518     0.98980     0.68792
                  Rrs_486     0.00749     0.00071     0.00747     0.00071     0.99783     0.00629     0.99559     0.43653
                  Rrs_551     0.00147     0.00007     0.00144     0.00008     0.97615     0.02138     0.82819     2.31398
                  Rrs_671     0.00013     0.00002     0.00012     0.00002     0.91687     0.07469     0.76339     9.84167
                  aot_862     0.08750     0.02063     0.08422     0.02008     0.96205     0.01065     0.99782     3.98179
                 angstrom     0.70833     0.19521     0.63752     0.17100     0.90194     0.03474     0.97035     9.20471
                  epsilon     1.04492     0.02182     1.03703     0.01970     0.99250     0.00372     0.97201     0.64857