Abdul Moiz¹, Zhongwang Wei², Ralph Allen E. Acierto³, Asif Naseer⁴, Akiyuki Kawasaki⁵ and Toshio Koike³, (1)University of Tokyo, Bunkyo-ku, Japan, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)International Centre for Water Hazard and Risk Management, Public Works Research Institute, Tsukuba, Japan, (4)Water And Power Development Authority, Lahore, Pakistan, (5)University of Tokyo, Tokyo, Japan