Geochemical and isotopic determination of deep groundwater contributions and salinity to the shallow groundwater and surface water systems, Mesilla Basin, New Mexico, Texas, and Mexico

Andrew Robertson1, Kenneth C Carroll2, Chris Kubicki2 and Roland Purtshert3, (1)USGS Geological Survey, Menlo Park, CA, United States, (2)New Mexico State University Main Campus, Las Cruces, NM, United States, (3)University of Bern, Bern, Switzerland