Region: SIO

                                     ot07                  ot11             ot11/ot07         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.05979     0.01348     0.07188     0.01443     1.21314     0.10934
                  Rrs_412     0.01540     0.00165     0.01641     0.00159     1.06730     0.01543
                  Rrs_443     0.01238     0.00100     0.01368     0.00092     1.10674     0.01998
                  Rrs_490     0.00708     0.00053     0.00832     0.00044     1.17773     0.03545
                  Rrs_516     0.00335     0.00029     0.00371     0.00025     1.11112     0.03942
                  Rrs_565     0.00154     0.00016     0.00186     0.00013     1.21366     0.07066
                  Rrs_667     0.00013     0.00003     0.00028     0.00004     2.30362     0.38736
                  aot_862     0.08098     0.01801     0.07185     0.01393     0.89554     0.06361
                 angstrom     0.01296     0.00994     0.56636     0.18642    64.25595    43.05796