Evaluation of the Published Empirical and Semi-analytical chlorophyll Algorithms:
The initial evaluation results indicate that none of the published chlorophyll algorithm designed for ocean water can be applied to Lake Superior directly. Although those empirical algorithms simulated the variation of chlorophyll concentration from near shore to off shore, all of them overestimated the chlorophyll concentration, with overestimates as high as ~45:1 for the OC2 algorithm. Compare to the empirical algorithms, semi-analytical algorithm is more optimal to be used on Lake Superior. The on going work is to calculate the value of those parameters for Lake Superior using the in situ bio-optical data.