1. The Key Lab of Resource Environment & GIS of Beijing, College of Resource Environment and Tourism, Capital Normal Univ., Beijing, China 100048; formerly, Post Doctoral Research Associate, Univ. of South Florida, Tampa, FL 33620 (corresponding author).
2. Water Resource EngineerIntera, Inc., 1541 Dale Mabry Highway, Suite 202, Lutz, FL 33548.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of South Florida, 4202 E. Fowler Ave., ENB 118, Tampa, FL 33620.
4. Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, TN.
5. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of South Florida, 4202 E. Fowler Ave., ENB 118, Tampa, FL 33620.