1. Professor, School of Urban Construction and Environmental Engineering, Chongqing Univ., 174 Sha Zheng Rd., Chongqing 400044, China.
2. Associate Professor, School of Urban Construction and Environmental Engineering, Chongqing Univ., 174 Sha Zheng Rd., Chongqing 400044, China (corresponding author).
3. Professor, College of Urban Construction and Environmental Engineering, Chongqing Univ., 174 Sha Zheng Rd., Chongqing 400044, China.
4. Assistant Professor, Dept. of Earth and Environmental Studies, Montclair State Univ., Montclair, NJ 07043.
5. Research Assistant, School of Urban Construction and Environmental Engineering, Chongqing Univ., 174 Sha Zheng Rd., Chongqing 400044, China.