1. Postgraduate Research Student, Dept. of Civil Engineering and Manager of Al Ghalowa Company, Liverpool John Moores Univ., Liverpool, 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 Department 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, AWD Consult Inc., 32 Vista Dr., South Portland, ME 04106.