1. Environmental Research Institute, University of the Highlands and Islands, Thurso KW14 7EE, UK
2. Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth PL1 3DH, UK
3. Marine Sciences Department, University of Connecticut, Groton, CT 06340, USA
4. “Nello Carrara” Institute of Applied Physics, National Research Council (CNR-IFAC), Via Madonna del Piano, 10-50019 Sesto Fiorentino, Italy
5. European Space Agency—ESA/ESTEC, 2201 AZ Noordwijk, The Netherlands
6. Remote Sensing Division, U.S. Naval Research Laboratory, Washington, DC 20375, USA
7. Aircraft Center for Earth Studies, University of Miami, FL 33149, USA