1. Department of Geosciences, University of Montana, Missoula, Montana, US
2. Department of Civil and Environmental Engineering, University of Iowa, Iowa City, Iowa, US
3. Energy and Resource Group, University of California, Berkeley, California, US
4. Department of Society and Conservation, University of Montana, Missoula, Montana, US
5. College of Agriculture and Food Sciences, Florida Agricultural and Mechanical University, Tallahassee, Florida, US