Roger C Bales, University of California Merced, Merced, CA, United States, Martha H Conklin, University of California Merced, Civil and Environmental Engineering, Merced, CA, United States, Praveen Kumar, University of Illinois at Urbana Champaign, Department of Civil and Environmental Engineering, Urbana, IL, United States, Nikolaos Nikolaidis, Technical University of Crete, Chania, Greece, Jon Chorover, University of Arizona, Environmental Science, Tucson, AZ, United States and William H McDowell, University of New Hampshire, Durham, NH, United States