1. E.I., Ph.D., Engineer Specialist II, Manatee County Public Works Engineering Division, 1022 26th Avenue East, Bradenton, FL 34208.
2. Associate Professor, Dept. of Civil and Environmental Engineering, 301 N. Patton Hall, Virginia Polytechnic Institute and State Univ., Blacksburg, VA 24061. E-mail: wangl@vt.edu
3. Georgia Gulf Distinguished Professor Emeritus, Dept. of Civil and Environmental Engineering, Louisiana State University, 3304 CEBA, Baton Rouge, LA 70803; and, Visiting Professor, Dept. of Civil Engineering, Bogazici University, Bebek, Istanbul, Turkey.
4. Professor, Dept. of Hydraulic Engineering, Tsinghua University, Beijing, 100084, People's Republic of China.