Geology & Earth Science

Geology & Earth Science Experts

Jessica Z Leroy

The U.S. Geological Survey
United States Virgin Islands


Dr. Jessica LeRoy holds B.S. degrees from the University of Michigan in Physics and Earth Science, and M.S. and Ph.D. degrees from the University of Illinois in Physical Geography. Her research interests include field-based investigations of river morphodynamics and sedimentology, as well as the application of concepts in fluvial hydraulics to invasive species management issues. Jessica's graduate research focused on the co-evolution of flow structure and channel morphology in meander bends following chute cutoff events. During graduate school she also worked on projects addressing the hydraulic geometry of submarine channels, and the sedimentology of very fine grained meandering rivers. Jessica started at the U.S. Geological Survey as a Student Trainee in September 2015, and converted to a full time position as a Geographer in May 2016. Since joinging the IL-IA WSC, Dr LeRoy has been a part of the Asian carp response team, and has participated in applied research on risk assessment and the development of control methods. She is currently working with colleagues at the USFWS and the USACE on evaluating the impact of barge traffic on the efficacy of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal.

Research Interest

river morphodynamics fluvial hydraulics hydroacoustics asian carp


  • Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway, Davis, Jeremiah J.; Jackson, P. Ryan; Engel, Frank; LeRoy, Jessica Z.; Neeley, Rebecca N.; Finney, Samuel T.; Murphy, Elizabeth A.

  • Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System, Davis, Jeremiah J.; LeRoy, Jessica Z.; Shanks, Matthew R.; Jackson, Patrick Ryan; Engel, Frank; Murphy, Elizabeth; Baxter, Carey L.; McInerney, Michael K.; Barkowski, Nicholas A.

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