1. Civil Engineer, Marine Geosciences Division, Naval Research Laboratory, Stennis Space Center, MS 39529; formerly, Graduate Student, Dept. of Civil and Coastal Engineering, Univ. of Florida, Gainesville, FL 32611 (corresponding author).
2. Associate Professor, Dept. of Civil and Coastal Engineering, Univ. of Florida, Gainesville, FL 32611.
3. Research Physicist, Marine Geosciences Division, Naval Research Laboratory, Stennis Space Center, MS 39529.