1. Earth Systems Research Center University of New Hampshire Durham New Hampshire USA
2. Center for the Environment Plymouth State University Plymouth New Hampshire USA
3. Northern Research Station, USDA Forest Service Durham New Hampshire USA
4. Northern Research Station, USDA Forest Service West Virginia USA
5. Department of Ecosystem Science and Management Pennsylvania State University State College Pennsylvania USA
6. New York Water Science Center U.S. Geological Survey Troy New York USA
7. School of Forest Resources and Climate Change Institute University of Maine Orono Maine USA
8. College of Environmental Science and Forestry, State University of New York Syracuse New York USA
9. New England Water Science Center U.S. Geological Survey Montpelier Vermont USA