1. Assistant Professor, Dept. of Environmental Engineering and Earth Sciences, Clemson Univ., Clemson, SC 29634.
2. Ph.D. Candidate, Dept. of Civil, Environmental, and Construction Engineering, Univ. of Central Florida, Orlando, FL 32816.
3. Associate Professor, Dept. of Civil Engineering, Univ. of Toledo, Toledo, OH 43606.
4. Assistant Professor, Dept. of Civil Engineering, 3021 Shelby Hall, Univ. of South Alabama, Mobile, AL 36688 (corresponding author).