1. United States Geological Survey Woods Hole Coastal and Marine Science Center, Woods Hole, Massachusetts 02540, United States
2. MIT-WHOI Joint Program in Oceanography/Applied Ocean Science & Engineering, Cambridge and Woods Hole, Massachusetts 02139, United States
3. Department of Earth, Atmospheric and Planetary Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
4. Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States