Jonathan Friedman, PhD
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.
Professional Experience
1993-present, Research 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
Education and Certifications
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
Affiliations and Memberships*
Ecological Society of America
American Geophysical Union
Science and Products
Woody riparian vegetation near selected streamgages in the western United States
The influence of chilling requirement on the southern distribution limit of exotic Russian olive (Elaeagnus angustifolia) in western North America
Genetic and environmental influences on cold hardiness of native and introduced riparian trees
Genetic and environmental influences on leaf phenology and cold hardiness of native and introduced riparian trees
Progression of stream bank erosion dudring a large flood, Rio Puerco, New Mexico
Influence of flow variability on floodplain formation and destruction, Little Missouri River, North Dakota
Erosional consequence of saltcedar control
Latitudinal variation in cold hardiness in introduced Tamarix and native Populus
Transverse and longitudinal variation in woody riparian vegetation along a montane river
Dating floodplain sediments using tree-ring response to burial
Modeling effects of bank friction and woody bank vegetation on channel flow and boundary shear stress in the Rio Puerco, New Mexico
Dating floodplain sediments using tree-ring response to burial
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Woody riparian vegetation near selected streamgages in the western United States
The influence of chilling requirement on the southern distribution limit of exotic Russian olive (Elaeagnus angustifolia) in western North America
Genetic and environmental influences on cold hardiness of native and introduced riparian trees
Genetic and environmental influences on leaf phenology and cold hardiness of native and introduced riparian trees
Progression of stream bank erosion dudring a large flood, Rio Puerco, New Mexico
Influence of flow variability on floodplain formation and destruction, Little Missouri River, North Dakota
Erosional consequence of saltcedar control
Latitudinal variation in cold hardiness in introduced Tamarix and native Populus
Transverse and longitudinal variation in woody riparian vegetation along a montane river
Dating floodplain sediments using tree-ring response to burial
Modeling effects of bank friction and woody bank vegetation on channel flow and boundary shear stress in the Rio Puerco, New Mexico
Dating floodplain sediments using tree-ring response to burial
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government