1. Distinguished Prof. and Chair, Dept. of Civ. and Envir. Engrg., Univ. of Delaware, Newark, DE 19716 (corresponding author).
2. Grad. Res. Asst., Dept. of Civ. and Envir. Engrg., Univ. of Delaware, Newark, DE.
3. Program Administrator, Maryland Dept. of Natural Resour., Monitoring and Non-Tidal Assessment Div., Annapolis, MD 21410.