1. Research Fellow, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 2W2; Water Management Consultant, SRK Consulting (Canada) Inc., 1066 West Hastings St., Vancouver, BC, Canada V6E 3X2.
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 2W2 (corresponding author).
3. Senior Environmental Coordinator, Dept. of Environment, BC Hydro, 601 18th St., Castlegar, BC, Canada V1N 2N1.
4. Fish and Aquatics Team Lead, Dept. of Environment, BC Hydro, 6911 Southpoint Dr., Burnaby, BC, Canada V3N 4X8.