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USGS Staff Profile:

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   abstract: Research Hydrologist with the California Water Science Center
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   abstract: Jennie Harkness is a Research Hydrologist with the USGS California Water
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   abstract: I work primarily on the California State Water Resources Control Board's
     Groundwater Ambient Monitoring and Assessment (GAMA) program. I use a suite
     of geochemical and isotope tracers, geochemical modeling, and age-dating to
     distinguish geogenic and anthropogenic process that affect the quality of groundwater
     resources. My current work focuses on characterizing the process by which historical
     development and on-going sustainable management of groundwater systems, particularly
     managed aquifer recharge, drive changes in concentrations of salts and trace
     elements in drinking water resources.
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