1. Dept. of Civil Engineering, Univ. of Sherbrooke, 2500 Blvd. Université, Sherbrooke, QC, Canada J1K 2R1.
2. Energy Division, Tetra Tech, 2100 rue King Ouest, Bureau 110, Sherbrooke, QC, Canada J1J 2E8.
3. Read Jones Christoffersen Ltd., Suite 500, 144 Front St., West Toronto, ON, Canada M5J 2L7.
4. Dept. of Civil and Environmental Engineering, Rice Univ., 6100 Main St., Houston, TX 77005-1892.
5. Professor, Dept. of Civil Engineering, Univ. of Sherbrooke, 2500 Blvd. Université, Sherbrooke, QC, Canada J1K 2R1 (corresponding author).
6. Professor, Dept. of Civil Engineering, Univ. of Sherbrooke, 2500 Blvd. Université, Sherbrooke, QC, Canada J1K 2R1.
7. Direction Barrages et Infrastructures, Division Production, Hydro-Québec, 75 Blvd. René-Lévesque Ouest, Montréal, QC, Canada H2Z 1A4.