1. Post-Doctoral Researcher, Dept. of Hydraulic and Ocean Engineering, National Cheng-Kung Univ., Tainan 70101, Taiwan.
2. Associate Professor, Dept. of Hydraulic and Ocean Engineering, National Cheng-Kung Univ., Tainan 70101, Taiwan.
3. Professor, Dept. of Hydraulic and Ocean Engineering, National Cheng-Kung Univ., Tainan 70101, Taiwan.
4. Research Associate Professor, National Center for Computational Hydroscience and Engineering, Univ. of Mississippi, University, MS 38677.