Figure 2

(a) Geographical distribution of the in situ Rrs and bbp data. (b) rrs(443)/rrs(555) vs. η and Lee’s curve (ref Lee), RMSE = 0.93 m−1. (c) rrs(555)/rrs(665) vs. η and the best linear fit for the data: η = 0.2764 rrs(555)/rrs(665)−1.793, r2 = 0.48, RMSE = 0.51 m−1. Plots are generated by using MATLAB 7.1 http://uk.mathworks.com/products/matlab.