Jeff's research focuses on the transport of and biological response to nutrients. Most of the research occurs in the Midwest, primarily in the Cornbelt ecoregion. Recently the focus has been on edge of field studies and Super gages (especially continuous nitrate and orthophosphate) to better understand transport of nutrients.
Jeff received his B.S. from the University of Minnesota in Environmental Studies in 1986 and his M.S. from the Indiana University School of Public and Environmental Affairs in 1992. He began working with the USGS after graduate school in Indiana with the National Water-Quality Assessment (NAWQA) Program and has held several positions since then. Currently, he is the Indiana Deputy Director of the USGS Indiana-Kentucky Water Science Center in Indianapolis. Other non-USGS work highlights includes working with Peace Corps in Cameroon teaching inland fisheries (1986-88) and as an observer with the National Marine Fisheries Service off of Alaska (1990).