1. Assistant Professor, Dept. of Civil Engineering, Univ. of South Alabama, Mobile, AL 36688.
2. Graduate Research Assistant, Dept. of Marine Sciences, Univ. of South Alabama, Mobile, AL 36688.
3. State Key Laboratory of Estuarine and Coastal Research, East China Normal Univ., Shanghai, 200062 China; formerly, Graduate Research Assistant, Dept. of Civil Engineering, Univ. of South Alabama, Mobile, AL 36688.
4. Professor, Dept. of Civil Engineering, Univ. of South Alabama, Mobile, AL 36688.