Dissolved Kr and Xe isotope ratios in groundwater enable quantitative resolution of water-table depth at the time of recharge
Alan M Seltzer1, Wesley R Danskin2, Riley Gannon3, Jessica Yi-Jun Ng1, Justin T Kulongoski4, Martin Stute5 and Jeffrey P Severinghaus6, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)U.S. Geological Survey, San Diego, CA, United States, (3)U.S. Geological Survey, San Diego, United States, (4)Scripps Institution of Oceanography, Geosciences Research Division, La Jolla, United States, (5)Barnard College, New York, NY, United States, (6)Scripps Institution of Oceanography, La Jolla, United States