1. Department of Civil and Environmental Engineering, Villanova University, Villanova, Pennsylvania 19085, United States
2. Physical Science Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
3. Department of Environmental Sciences, The Connecticut Agricultural Experiment Station, 123 Huntington St., New Haven, Connecticut 06511, United States
4. OHSU-PSU School of Public Health, Oregon Health & Science University, Portland, Oregon 97239, United States
5. U.S. Army ERDC-CRREL, Hanover, New Hampshire 03755-1290, United States