Griet Neukermans, Ghent University, Marine Optics and Remote Sensing, Ghent, Belgium, Qiming Sun, Ghent University, Marine Optics and Remote Sensing Team (MarSens), Gent, Belgium, Chuck Pottsmith, Sequoia Scientific, Inc., Bellevue, United States, Filip Beunis, Ghent University, ELIS, Gent, Belgium, Kristiaan Neyts, Hong Kong University of Science and Technology, ECE, Hong Kong, Hong Kong, Wim Vyverman, Laboratory of Protistology and Aquatic Ecology, Ghent University, Ghent, Belgium, Catherine M Mitchell, Bigelow Laboratory for Ocean Sciences, East Boothbay, Maine, United States, Prof. Alex J Poulton, Heriot-Watt University, The Lyell Centre, Edinburgh, United Kingdom and Georges Fournier, Ghent University, MarSens, Gent, Belgium