1. Postdoctoral Researcher, Environmental Change Institute, School of Geography and the Environment, Univ. of Oxford, Dyson Perrins Bldg., South Parks Rd., Oxford OX1 3QY, U.K.
2. Associate Professor, School of Civil and Environmental Engineering, Nanyang Technological Univ., 50 Nanyang Ave., Singapore 639798 (corresponding author).
3. Professor, School of Civil and Environmental Engineering, Nanyang Technological Univ., 50 Nanyang Ave., Singapore 639798.
4. Research Associate, School of Civil and Environmental Engineering, Nanyang Technological Univ., 50 Nanyang Ave., Singapore 639798.
5. Research Associate, DHI Water & Environment (S) Pte. Ltd., CleanTech One, Singapore 637141.