Interpreting excess air in groundwater with new hydroclimate tracers

Jessica Ng1, Alan Seltzer2, Chandler Noyes3, Sophie Negele4, Rebecca L Tyne5, Werner Aeschbach6, Justin T Kulongoski7, Henry Johnson8, Martin Stute9, Mcintosh, Jennifer C10, Grant A G Ferguson11 and Jeffrey P Severinghaus1, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States, (3)University of Arizona, Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (4)University of Heidelberg, Institute of Environmental Physics, Heidelberg, Germany, (5)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, United States, (6)Heidelberg University, Institute of Environmental Physics, Heidelberg, Germany, (7)Univ California San Diego, La Jolla, CA, United States, (8)USGS Oregon Water Science Center, Portland, OR, United States, (9)Barnard College, New York, NY, United States, (10)University of Arizona, Hydrology and Atmospheric Sciences, Tucson, United States, (11)University of Saskatchewan, Department of Civil, Geological and Environmental Engineering, Saskatoon, SK, Canada