1. Hydraulic Specialist, HydraTek and Associates, 216 Chrislea Rd., Suite 204, Vaughan, ON, Canada L4L 8S5 (corresponding author).
2. Professor, Univ. of Toronto, 35 St. George St., Toronto, ON, Canada M5S 1A4.
3. M.A.Sc. Candidate, Univ. of Toronto, 35 St. George St., Toronto, ON, Canada M5S 1A4.