1. Water Resources Engineer, AECOM, Conshohocken, PA 19428.
2. Associate Professor, Dept. of Civil, Architectural and Environmental Engineering, Drexel Univ., Philadelphia, PA 19104 (corresponding author).
3. Associate Professor, Dept. of Civil and Environmental Engineering, Villanova Univ., Villanova, PA 19085.
4. Professor, Dept. of Civil and Environmental Engineering, Villanova Univ., Villanova, PA 19085.