1. Assistant Professor, Univ. of Notre Dame, 156 Fitzpatrick Hall, South Bend, IN (corresponding author).
2. North Carolina Sea Grant, 5600 Marvin K. Moss Ln., Wilmington, NC 28409.
3. Oceanographer, U.S. Geological Survey, 12201 Sunrise Valley Dr., Reston, VA 20192.
4. Dept. of Civil and Coastal Engineering, Univ. of Florida, 365 Weil Hall, Gainesville, FL, 32611.
5. AIR Worldwide, 131 Dartmouth St., Boston, MA 02116.