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Aircraft images were collected near Lee Stocking Island (LSI), Bahamas, with wavelike features for bright sand bottoms during times when solar zenith angles were large. The image contrast between leading and trailing wave facets approached a 10–15% difference because of algae accumulations in wave troughs or topographic variations of the bottom. Reflectance(More)
An artificial neural network (ANN)-based technology e a 'Grey-Box', originating the iterative selection, depiction, and quantitation of environmental relationships for modeling microalgal abundance, as chlorophyll (CHL) a, was developed and evaluated. Due to their robust capability for reproducing the complexities underlying chaotic, non-linear systems,(More)
The upwelling radiance distribution in optically shallow water is investigated with experiments and Hydrolight numerical simulations for two different benthic surfaces and a range of solar zenith angles (Ͻ60Њ). Over a bright sand surface (water depth 5 m) the upwelling radiance distribution was brightest at nadir and decreased toward the horizon. The(More)
Harmful Algal Bloom section October 2008 to present Analyze time series data to determine factors contributing to algal blooms Maintain and calibrate instruments on autonomous water quality platforms Process abiotic and biotic water quality measurements Authored eight grants as PI and eight as CO-PI Awarded three grants as PI and two as CO-PI Design(More)
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