Juliana B. Araujo, University of Arizona, Environmental Science Department, Tucson, AZ, United States, Jennifer Arthur, Ahtna Environmental, Inc., Pleasant Hill, CA, United States, Mark L Brusseau, University of Arizona, Environmental Science Department, Hydrology and Atmospheric Sciences Department, School of Earth and Environmental Sciences, Tucson, AZ, United States, Jiri Simunek, Department of Environmental Sciences, University of California Riverside, Riverside, CA, United States, S. Taylor, Cold Regions Research and Engineering Laboratory, Hanover, NH, United States and Katerina Dontsova, University of Arizona, Environmental Science Department, Biosphere 2, Tucson, AZ, United States