1. Department of Earth & Environmental Sciences; The University of Iowa; Iowa City IA 52242
2. Stream Institute, Department of Civil and Environmental Engineering; University of Louisville; Louisville KY 40206
3. Division of Earth and Ocean Sciences, Nicholas School of the Environment; Duke University; Durham NC 27708
4. Department of Earth Sciences; Syracuse University; Syracuse NY 13244
5. Department of Environmental Resources Engineering, SUNY-ESF; Syracuse NY 13210