1. Geographer, United States Environmental Protection Agency, Center for Environmental Solutions and Emergency Response, 26 Martin Luther King Dr. W, Cincinnati, OH 45244; Dept. of Geography, Univ. of North Carolina at Chapel Hill, Campus Box 3220, Chapel Hill, NC 27514 (corresponding author). ORCID: .
2. Geographer, United States Environmental Protection Agency, Center for Environmental Solutions and Emergency Response, 26 Martin Luther King Dr. W, Cincinnati, OH 45244.
3. Bowman & Gordon Gray Distinguished Professor of Geography, Dept. of Geography, Univ. of North Carolina at Chapel Hill, Campus Box 3220, Chapel Hill, NC 27514.