1. Professor and Director, Center for Applied Coastal Research, Univ. of Delaware, Newark, DE 19716 (corresponding author).
2. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716.
3. Research Hydraulic Engineer, U.S. Army Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199.