1. Department of Civil and Environmental Engineering; University of Connecticut; Storrs CT 06269-3037 USA
2. Department of Geography; Nipissing University; 100 College Drive, Box 5002 North Bay Ontario P1B 8L7 Canada
3. Dorset Environmental Science Centre; The Ministry of Environment and Climate Change; 1026 Bellwood Acres Road Dorset Ontario P0A 1E0 Canada