1. Swiss Institute of Environmental Science and Technology (EAWAG) Überlandstrasse 133 CH-8600 Dübendorf, Switzerland
2. Department of Physical and Environmental Sciences University of Toronto at Scarborough 1265 Military Trail Toronto, Ontario, Canada M1C 1A4
3. Institute for Baltic Sea Research Seestrasse 15 D-18119 Rostock-Warnemünde, Germany
4. Canadian Environmental Modeling Centre Trent University Peterborough, Ontario, Canada K9J 7B8