1. School of Earth, Environment, and Sustainability, Georgia Southern University, Statesboro, GA, USA
2. Department of Geography and Geology, Eastern Michigan University, Ypsilanti, MI, USA
3. University of Tennessee, Knoxville, Department of Geography & Sustainability, Knoxville, TN, USA
4. Department of Geosciences, Geography Program, Texas Tech University, Lubbock, TX, USA
5. Department of Sociology and Anthropology, East Tennessee State University, Johnson City, TN, USA