Rrs derived Chl, the ε was 135.6% and RMSE log was 0.383. Between in situ measured Chl and in situ Rrs derived Chl,the ε was 162.0% and RMSE log was 0.429. This analysis of match-up uncertainties clearly indicated improved performance of Rrs-retrieved Aph over Chl in the TWS. One fundamental
reason for such results is that Rrs is largely determined by the absorption and scattering properties of all the optically active materials in the water, of which phytoplankton is simply one of them (Mobley, 1994; IOCCG, 2006). Higher uncertainty associated with Chl is thus anticipated while trying to retrieve Chl by simple spectral ratio of Rrs in marine waters where the contribution of non-phytoplankton components is significant (e.g., TWS).
Rrs derived Chl, the ε was 135.6% and RMSE log was 0.383. Between in situ measured Chl and in situ Rrs derived Chl,the ε was 162.0% and RMSE log was 0.429. This analysis of match-up uncertainties clearly indicated improved performance of Rrs-retrieved Aph over Chl in the TWS. One fundamentalreason for such results is that Rrs is largely determined by the absorption and scattering properties of all the optically active materials in the water, of which phytoplankton is simply one of them (Mobley, 1994; IOCCG, 2006). Higher uncertainty associated with Chl is thus anticipated while trying to retrieve Chl by simple spectral ratio of Rrs in marine waters where the contribution of non-phytoplankton components is significant (e.g., TWS).
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