Terrence Conlon has more than 25 years of experience with the USGS conducting water resource studies in Wisconsin and Oregon. His focus is on understanding groundwater hydrology, including the interactions of groundwater and surface waters, in areas experiencing competing water demands. He has experience using geophysics, process-based models, and a wide range of data to improve the understanding of groundwater conditions and the effects of changes to land use, climate, and water use on water resources. In his current role as a supervisory hydrologist, he oversees a wide range of studies in groundwater and surface-water availability.