Region: global

                                     ot07                  ot08             ot08/ot07         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.19565     0.02729     0.26607     0.04005     1.35850     0.03834
                  Rrs_412     0.01066     0.00070     0.00990     0.00073     0.92783     0.00873
                  Rrs_443     0.00876     0.00035     0.00805     0.00037     0.91839     0.00643
                  Rrs_490     0.00576     0.00015     0.00588     0.00014     1.02155     0.00429
                  Rrs_516     0.00329     0.00009     0.00326     0.00007     0.99154     0.00677
                  Rrs_565     0.00170     0.00005     0.00180     0.00005     1.06240     0.01155
                  Rrs_667     0.00018     0.00003     0.00023     0.00003     1.30601     0.03464
                  aot_862     0.09703     0.00554     0.08908     0.00482     0.91830     0.01411
                 angstrom     0.11750     0.02267     0.82790     0.07834     7.21465     0.98103