| Affiliation: | 1. USDA Forest Service, Pacific Northwest Research Station, Olympia Forestry Sciences Laboratory, Olympia, WA 98512, USAThe contribution of Steven M. Wondzell to this article was prepared as part of his official duties as a United States Federal Government employee.;2. Department of Civil and Environmental Engineering, Pennsylvania State University, State College, PA 16802, USA;3. Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT 59717‐3120, USA |
