Institution: | 1. US Geological Survey, Water Science Center, MS 415 Federal Center, Denver, CO 80225, USA;2. USDA Forest Service, Rocky Mountain Research Station, Fort Collins, CO 80526, USA;3. US Geological Survey, Rocky Mountain Geographic Science Center, MS 516 Federal Center, Denver, CO 80225, USA;4. Cooperative Institute for Research in Environmental Science, University of Colorado, Boulder, CO 80309, USA |