1. Research Engineer, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214 (corresponding author).
2. Research Engineer, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
3. Research Scientist, Upstate Freshwater Institute, P.O. Box 506, Syracuse, NY 13214.
4. Professor, Dept. Civil and Environmental Engineering, Tufts Univ., Boston, MA 02155.
5. Professor, Dept. Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931.
6. Research Engineer, Dept. Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931.