1. Postgraduate Research Student, Dept. of Civil Engineering, Liverpool John Moores Univ., Henry Cotton Bldg., 15-21 Webster St., Liverpool L3 2ET, U.K.
2. Programme Leader, Dept. of Civil Engineering, Liverpool John Moores Univ., Peter Jost Centre, Byrom St., Liverpool L3 3AF, U.K.
3. Professor of Water and Environmental Engineering and Head of the Dept. of Civil Engineering, Liverpool John Moores Univ., Peter Jost Centre, Byrom St., Liverpool L3 3AF, U.K.
4. Dept. of Maritime and Mechanical Engineering, Liverpool John Moores Univ., Byrom St., Liverpool L3 3AF, U.K.
5. Professor, CEO and President of AWD Consult Inc., 32 Vista Dr., South Portland, ME 04106.