GPM Precipitation Estimates over the Walnut Gulch Experimental Watershed/LTAR site in Southeastern Arizona

David C Goodrich1, Jackson Tan2,3, Walter Arthur Petersen4, Carl C Unkrich5, Eleonora M. Demaria1, Pieter Hazenberg6 and Venkataraman Lakshmi7, (1)USDA-ARS, Southwest Watershed Research Center, Tucson, AZ, United States, (2)University of Maryland Baltimore County, Baltimore, United States, (3)Universities Space Research Association, Columbia, MD, United States, (4)NASA Marshall Space Flight Center, Science Research and Projects Division, ST-10, Huntsville, AL, United States, (5)Agricultural Research Service Tucson, Tucson, United States, (6)University of Arizona, Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (7)University of Virginia, Civil and Environmental Engineering, Charlottesville, VA, United States