Editorial Board Members’ Collection Series: Recent Progress in Ocean Colour Remote Sensing

Dear Colleagues,

Ocean colour remote sensing utilizes the intensity and spectral variation of visible light scattered upward from beneath the ocean surface (water leaving radiance) to derive concentrations of biogeochemical constituents and inherent optical properties. Satellite ocean colour has revealed decadal-scale changes in the ocean biosphere and has been designated an essential climate variable by the World Meteorological Organisation, with water leaving radiance and derived chlorophyll estimates, a proxy for phytoplankton, as its main components. Ocean colour satellite sensors not only estimate phytoplankton variables (including chlorophyll, phytoplankton, harmful algal blooms, etc.), but can also be used to map other living and abiotic products across the globe, including suspended sediment loads and light absorption of coloured dissolved organic matter. Recent advances in satellite technology and algorithm development have made it possible to detect water quality, ocean ecology, and many other aspects of the ocean environment using remote sensing technology. A project entitled “Editorial Members’ Collection Series—Recent Advances in Ocean Colour Observations” has been dedicated to the journal Remote Sensing to address the current status, challenges, and future research priorities for remote sensing of ocean colour. This Special Issue is devoted to the most recent advances in the studies of remote sensing technology and its applications in ocean colour studies, with an emphasis on the following topics:

• Uncertainty in satellite ocean colour measurements;
• Satellite ocean colour validation measurements and their uncertainties, including fiducial reference measurements (FRM);
• Assessment and monitoring of water quality;
• Bio-optic models and atmospheric correction;
• Lidar and polarimetry remote sensing;
• Assimilation of ocean colour and other applications of ocean-colour products in modeling;
• Climate change monitoring and climate data record improvements using satellite ocean colour;
• Interactions between ocean colour observations and other factors, including phytoplankton and fisheries;
• Ocean colour with deep learning;
• Hypersepectral remote sensing, for example, applications for the Plankton, Aerosol, Cloud, Ocean Ecosystem (PACE) mission (NASA);
• New applications for small satellites (cubesats and nanosastellites);
• Linkages between ocean colour data and ocean physics: submesoscale eddies and filaments, frontal dynamics and coastal ocean circulation.

Dr. Andrew Clive Banks
Dr. Jason Keith Jolliff
Dr. Peng Chen
Guest Editors

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