Jeffrey Klakovich, Tucson, United States, Ty P A Ferre, University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, Stephen Farrington, Transcendev, Gaysville, VT, United States, Andrea Pearce, Transcend Engineering, Bethel, VT, United States and Doug Denu, Transcend Engineering, Bethel, United States