1. Division of Meteorology and Physical Oceanography, Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida 33149
2. Department of Physics, University of Miami, Coral Gables, Florida 33124
3. Marine Bio-Optics Group, University of California at Santa Barbara, Santa Barbara 93106
4. Marine Bio-Optics Group, University of California at San Diego, La Jolla 92093