1. Research Assistant Professor, Natural Hazard Mitigation Research Center (NHMRC), National Chiao Tung Univ., Hsinchu, Taiwan 30010, R.O.C.
2. Section Chief, Water Resources Agency, Ministry of Economic Affairs, Taipei, Taiwan 106, R.O.C.
3. Professor, Dept. of Civil Engineering and Research Fellow of NHMRC, National Chiao Tung Univ., Hsinchu, Taiwan 30010, R.O.C.