Thomas Stanley, Universities Space Research Association Greenbelt, Hydrological Sciences Laboratory, Greenbelt, MD, United States, Dalia Kirschbaum, NASA Goddard Space Flight Center, Hydrological Sciences Laboratory, Greenbelt, MD, United States, Steven Sobieszczyk, U.S. Geological Survey, Portland, OR, United States, Jordan Borak, SAIC, Greenbelt, MD, United States and Stephen Slaughter, Washington Geological Survey, Division of Geology and Earth Resources, Olympia, WA, United States