Affiliation: | 1. University of Minnesota Duluth, Natural Resources Research Institute, Center for Water and the Environment , 5013 Miller Trunk Highway, Duluth, MN 55811, USA sbasak@nrri.umn.edu;3. University of Minnesota Duluth, Natural Resources Research Institute, Center for Water and the Environment , 5013 Miller Trunk Highway, Duluth, MN 55811, USA |