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Jean Moran is a professor of Earth and Environmental Sciences at the California State University East Bay. She studies water resources, especially groundwater, in California. Her expertise includes understanding groundwater ages to advance the knowledge on groundwater contamination and find solutions to many pressing issues to California's water resources. Including nitrate contamination. Dr. Moran uses radionuclides, isotopes, and other geochemical tracers to explain the movement and distribution of groundwater.

Early Life and Education Moran received a Bachelors degree in Geology and Physics from the University of Rochester and a Masters degree in Geophysics from the University of Washington. After serving in the Peace Corp, she returned to University of Rochester for her doctorate. Completing a PhD in Geochemistry. She worked on understanding the distribution of isotopes of iodine in ocean sediments, to understand the age distribution of oceanic currents, and iodine's dispersal in the atmosphere.

Research and Career Moran has extensively studied groundwater ages and groundwater contamination. She has investigated the distribution of tritium in precipitation and radon in groundwater across California to improve our understanding of groundwater resources in the state. Her work has included the use of noble gases to estimate groundwater recharge, including managed aquifer recharge.