1. Scarborough College Coastal Research Group, Department of Physical and Environmental Sciences, University of Toronto, Scarborough, 1265 Military Trail, Toronto, Ontario M1C 1A4, Canada
2. University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick E3B 5A3, Canada
3. Department of Environmental Studies, University of West Florida, 11000 University Parkway, Pensacola, Florida 32514-5750, United States.