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Jonathan Friedman, Ph.D.

Jonathan Friedman is a Hydrologist at the Fort Collins Science Center. 

Since joining the Fort Collins Science Center in 1993, Jonathan has devoted his career to studying interactions among riparian vegetation, river flow and channel change. Present research topics include use of riparian tree rings to reconstruct past river flow, quantification of federal reserved water rights, and determination of the effect of riparian vegetation on bank stability.


  • Ph.D. Environmental, Population and Organismic Biology, University of Colorado, Boulder, 1993
  • M.S. Oceanography and Limnology, University of Wisconsin, Madison, 1987
  • B.S. Biology, Massachusetts Institute of Technology, 1983

Professional Experience

  • 1993-present, Hydrologist, USGS Fort Collins Science Center, Fort Collins, CO
  • 1990-1993, Hydrologist, USGS Water Resources Division, Lakewood, CO
  • 1988-1990, Community College Instructor, Bellevue Community College, Olympic College and Front Range Community College, Washington and Colorado.
  • 1988 Assistant Natural Area Scientist, Washington Natural Heritage Program, Olympia, Washington


  • Ecological Society of America
  • American Geophysical Union

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