Region: Oligotrophic Water

                        tt11                tt13           tt13/tt11         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     2.260     0.260     2.281     0.256     1.009     0.016
       nLw_443     1.767     0.165     1.741     0.162     0.986     0.008
       nLw_490     1.180     0.076     1.157     0.082     0.980     0.009
       nLw_510     0.402     0.015     0.392     0.016     0.976     0.007
       nLw_555     0.271     0.009     0.263     0.010     0.972     0.007
       nLw_670     0.018     0.002     0.018     0.002     0.996     0.022
       chlor_a     0.064     0.014     0.063     0.013     0.976     0.012
        eps_78     1.025     0.011     1.019     0.011     0.994     0.002
       tau_865     0.123     0.009     0.135     0.011     1.102     0.017
  angstrom_510     0.228     0.047     0.204     0.049     0.889     0.046