University of Georgia, Department of Geography, Athens, GA, 30602, USA. Electronic address: Andrewg@uga.edu. Division of Athletic Training, School of Medicine, West Virginia University, Morgantown, WV 26506, USA. Hydration, Environment, and Thermal Stress Lab, Department of Kinesiology, University of North Carolina at Greensboro, Greensboro, NC, 27412, USA. Department of Kinesiology, Korey Stringer Institute, University of Connecticut, Storrs, CT 06269, USA.