1. Assistant Professor, Alabama A and M Univ., Dept. of Civil and Mechanical Engineering, 4900 Meridian St. North, Huntsville, AL 35762; formerly, Dept. of Civil and Environmental Engineering, Univ. of Nevada Las Vegas, Las Vegas, NV, and Postdoctoral Research Associate, Idaho Water Center, Boise, ID.
2. Associate Vice President for Interdisciplinary Research, Professor, Dept. of Civil and Environmental Engineering, Univ. of Nevada Las Vegas, 4505 S. Maryland Pkwy., Las Vegas, NV 89154 (corresponding author).
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Tennessee, Knoxville, TN 37996.