1. Department of Oceanography; University of Hawaii at Manoa; 1000 Pope Road, Honolulu Hawaii 96822 USA
2. Department of Ocean, Earth, and Atmospheric Sciences; Old Dominion University; Norfolk Virginia 23529-0276 USA
3. Department of Oceanography; Florida State University; 325 OSB, Tallahassee Florida 32306-4320 USA
4. Louisiana Universities Marine Consortium; 8124 Highway 56, Chauvin Louisiana 70344 USA