1. Department of Earth and Planetary Sciences McGill University Montreal QC H3A 0E8
2. Department of Civil and Environmental Engineering Massachusetts Institute of Technology (MIT) Cambridge Massachusetts 02139
3. School of Marine and Atmospheric Sciences Stony Brook University Stony Brook New York 11794
4. Department of Marine Sciences University of North Carolina Chapel Hill North Carolina 27599
5. Department of Earth and Planetary Sciences Harvard University Cambridge Massachusetts 02138