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Professor, North Carolina State University

Education

  • Ph.D., Massachusetts Institute of Technology, 1991

Biography

Since 2000 I have been on the faculty at N.C. State University, where I carry out research and teaching in hydrogeology. Prior to that I was on the faculty at Florida International University (FIU) in Miami, where I held joint appointments between the Department of Geology and two research centers: the Drinking Water Research Center and the Southeast Environmental Research Center. During 2009-2014 I was the Associate Director for Research in the Water Resources Research Institute of the University of North Carolina, and during 2016-2018 served on the board of directors of the Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI), including a year as chair of the board in 2017.  I’ve been an associate editor for scientific journals (Water Resources Research and the Journal of Contaminant Hydrology), served on grant program panels at the National Science Foundation (NSF), Environmental Protection Agency (EPA), and Department of Agriculture (USDA), and served as both a member and chair of the Water Quality Technical Committee of the American Geophysical Union (AGU).

Areas of Expertise

  • Hydrogeology and the coupled fluxes of water and chemicals at the interface between groundwater and surface water, including agricultural nutrients, VOCs and, more recently, GenX and related PFAS
  • Gas exchange at stream surfaces