1. Professor, Dept. of Civil Engineering,
Queen’s Univ., Kingston, ON,
Canada K7L 3N6 (corresponding author).
2. Associate Research Fellow, Centre for Water
Systems, Univ. of Exeter, Exeter, Devon EX4 4QF,
U.K.; formerly, Ph.D. Candidate, Dept. of Civil
Engineering, Queen’s Univ., Kingston, ON,
Canada K7L 3N6.