1. Principal Research Fellow, Dept. of Resource Management and Geography, The Univ. of Melbourne, 221 Bouverie St., Parkville, Victoria 3010, Australia (corresponding author).
2. Director, Institute for Sustainable Water Resources, Dept. of Civil Engineering, Building 60, Monash Univ., Victoria 3800, Australia.
3. Senior Lecturer, Institute for Sustainable Water Resources, Dept. of Civil Engineering, Building 60, Monash Univ., Victoria 3800, Australia; presently, Senior Hydrologist, Sinclair Knight Merz, 590 Orrong Rd., Armadale, Victoria 3143, Australia.