1. Professor, Sustainable Environment Research Center, Dept. of Civil Engineering, National Cheng Kung Univ., Tainan 701, Taiwan (corresponding author). E-mail: jishchen@mail.ncku.edu.tw
2. Graduate Student, Sustainable Environment Research Center, Dept. of Civil Engineering, National Cheng Kung Univ., Tainan 701, Taiwan.
3. Professor, Sustainable Environment Research Center, Dept. of Environmental Engineering, National Cheng Kung Univ., Tainan 701, Taiwan.
4. Graduate Student, Sustainable Environment Research Center, Dept. of Environmental Engineering, National Cheng Kung Univ., Tainan 701, Taiwan.