TY - RPRT TI - Machine Learning Prediction of Tritium‐Helium Groundwater Ages in the Central Valley, California, USA AU - Azhar, Abdullah [Lawrence Livermore National Laboratory Livermore CA USA] AU - Chakraborty, Indrasis [Lawrence Livermore National Laboratory Livermore CA USA] (ORCID:0000000349945024) AU - Visser, Ate [Lawrence Livermore National Laboratory Livermore CA USA] (ORCID:0000000340484540) AU - Liu, Yang [Lawrence Livermore National Laboratory Livermore CA USA] AU - Lerback, Jory Chapin [Lawrence Livermore National Laboratory Livermore CA USA] AU - Oerter, Erik [Lawrence Livermore National Laboratory Livermore CA USA] (ORCID:0000000188161754) PY - 2025 DO - 10.1029/2024wr038031 UR - https://www.osti.gov/biblio/2506908 ID - 2506908 ER -