Jessica Z LeRoy, Ph.D.
Dr. Jessica Z. LeRoy is a Hydrologist at the USGS Central Midwest Water Science Center in Urbana, IL.
Jess applies her background in geomorphology and hydrodynamics to real-world problems such as erosion hazards and aquatic invasive species. She is part of the USGS Invasive Carp team and is the coordinator of the CDI Geomorphology Focus Group.
Education and Certifications
Ph.D. in Physical Geography, University of Illinois, Urbana-Champaign. Dissertation: "From meander bend to oxbow lake: Morphodynamics and sedimentology of chute cutoffs", 2016
M.S. in Physical Geography, University of Illinois, Urbana-Champaign. Thesis: "Extreme sediment pulses generated by bend cutoffs along a large meandering river", 2011
B.S. in Physics and B.S. in Earth Sciences, University of Michigan, Ann Arbor, 2009
Science and Products
Leveraging the National Water Model to Inform Binational Management of Invasive Carp in North America
Hydraulic Model Archive and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Invasive Carp Egg and Larval Drift in the Lower Sandusky River, Ohio, after the Removal of Ballville Dam Hydraulic Model Archive and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Invasive Carp Egg and Larval Drift in the Lower Sandusky River, Ohio, after the Removal of Ballville Dam
Hydraulic Inputs and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Silver Carp Egg and Larval Drift in the Upper Mississippi River, Pools 1-10 Hydraulic Inputs and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Silver Carp Egg and Larval Drift in the Upper Mississippi River, Pools 1-10
National Cross-Section Database (NXSDB), Water Year 2022 (schema version 1.2.0, September 2025) National Cross-Section Database (NXSDB), Water Year 2022 (schema version 1.2.0, September 2025)
National Cross-Section Database (NXSDB), Water Year 2023 (schema version 1.2.0, September 2025) National Cross-Section Database (NXSDB), Water Year 2023 (schema version 1.2.0, September 2025)
Acoustic Doppler Current Profiler measurements for selected streamgages on the Illinois, Mississippi, and Missouri Rivers, 2008-2025 Acoustic Doppler Current Profiler measurements for selected streamgages on the Illinois, Mississippi, and Missouri Rivers, 2008-2025
Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2020, to September 30, 2022 Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2020, to September 30, 2022
Archive of Bank Stability and Toe Erosion Model (BSTEM) Simulations of Caulks Creek, Wildwood, Missour Archive of Bank Stability and Toe Erosion Model (BSTEM) Simulations of Caulks Creek, Wildwood, Missour
Archive of hydrologic and hydraulic models used in the simulation of hydraulic characteristics of Caulks Creek, Wildwood, Missouri Archive of hydrologic and hydraulic models used in the simulation of hydraulic characteristics of Caulks Creek, Wildwood, Missouri
Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2018, to September 30, 2019 (ver 2.0, Level 5 rev) Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2018, to September 30, 2019 (ver 2.0, Level 5 rev)
Bathymetry and Water-Quality Data of Surface Water Bodies in Cook County, Illinois, 2023 (ver. 2.0, March 2025) Bathymetry and Water-Quality Data of Surface Water Bodies in Cook County, Illinois, 2023 (ver. 2.0, March 2025)
Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2017, to September 30, 2018 Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2017, to September 30, 2018
Water Surface Velocities in the Downstream Approach to Peoria Lock, near Peoria, Illinois, During Testing of an Automated Barge Clearing Deterrent, September 15, 2022 Water Surface Velocities in the Downstream Approach to Peoria Lock, near Peoria, Illinois, During Testing of an Automated Barge Clearing Deterrent, September 15, 2022
Bathymetric map and surface area and capacity table for Beaver Lake near Rogers, Arkansas, 2018 Bathymetric map and surface area and capacity table for Beaver Lake near Rogers, Arkansas, 2018
Drift and dispersion of silver carp (Hypophthalmichthys molitrix) eggs and larvae for hypothetical spawning scenarios in the Upper Mississippi River Drift and dispersion of silver carp (Hypophthalmichthys molitrix) eggs and larvae for hypothetical spawning scenarios in the Upper Mississippi River
Field evaluation of the Automated Barge Clearing Deterrent (ABCD): Hydrodynamic, navigation, and fish response effects Field evaluation of the Automated Barge Clearing Deterrent (ABCD): Hydrodynamic, navigation, and fish response effects
Geomorphic change, hydrology, and hydraulics of Caulks Creek, Wildwood, Missouri Geomorphic change, hydrology, and hydraulics of Caulks Creek, Wildwood, Missouri
Reproduction of grass carp (Ctenopharyngodon idella) in the Maumee River, Ohio: Part 2—Optimal river conditions for egg and larval drift Reproduction of grass carp (Ctenopharyngodon idella) in the Maumee River, Ohio: Part 2—Optimal river conditions for egg and larval drift
Effects of climate change on the hydrologic and hydraulic response of the Caulks Creek basin, Wildwood, Missouri Effects of climate change on the hydrologic and hydraulic response of the Caulks Creek basin, Wildwood, Missouri
Hydrologic modeling and river corridor applications of HY_Features concepts Hydrologic modeling and river corridor applications of HY_Features concepts
Historical hydrologic and geomorphic conditions on the Black River and selected tributaries, Arkansas and Missouri Historical hydrologic and geomorphic conditions on the Black River and selected tributaries, Arkansas and Missouri
Fluvial Egg Drift Simulator (FluEgg) user’s manual Fluvial Egg Drift Simulator (FluEgg) user’s manual
Analysis of nearshore placement of sediments at Ogden Dunes, Indiana Analysis of nearshore placement of sediments at Ogden Dunes, Indiana
Efficacy of increasing discharge to reduce tow-mediated fish passage across an electric dispersal barrier system in a confined channel Efficacy of increasing discharge to reduce tow-mediated fish passage across an electric dispersal barrier system in a confined channel
Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System
Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway
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.
USGS Fluvial Erosion Hazards (FEH) Primer USGS Fluvial Erosion Hazards (FEH) Primer
Science and Products
Leveraging the National Water Model to Inform Binational Management of Invasive Carp in North America
Hydraulic Model Archive and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Invasive Carp Egg and Larval Drift in the Lower Sandusky River, Ohio, after the Removal of Ballville Dam Hydraulic Model Archive and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Invasive Carp Egg and Larval Drift in the Lower Sandusky River, Ohio, after the Removal of Ballville Dam
Hydraulic Inputs and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Silver Carp Egg and Larval Drift in the Upper Mississippi River, Pools 1-10 Hydraulic Inputs and Fluvial Egg Drift Simulator (FluEgg) Results for Simulations of Silver Carp Egg and Larval Drift in the Upper Mississippi River, Pools 1-10
National Cross-Section Database (NXSDB), Water Year 2022 (schema version 1.2.0, September 2025) National Cross-Section Database (NXSDB), Water Year 2022 (schema version 1.2.0, September 2025)
National Cross-Section Database (NXSDB), Water Year 2023 (schema version 1.2.0, September 2025) National Cross-Section Database (NXSDB), Water Year 2023 (schema version 1.2.0, September 2025)
Acoustic Doppler Current Profiler measurements for selected streamgages on the Illinois, Mississippi, and Missouri Rivers, 2008-2025 Acoustic Doppler Current Profiler measurements for selected streamgages on the Illinois, Mississippi, and Missouri Rivers, 2008-2025
Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2020, to September 30, 2022 Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2020, to September 30, 2022
Archive of Bank Stability and Toe Erosion Model (BSTEM) Simulations of Caulks Creek, Wildwood, Missour Archive of Bank Stability and Toe Erosion Model (BSTEM) Simulations of Caulks Creek, Wildwood, Missour
Archive of hydrologic and hydraulic models used in the simulation of hydraulic characteristics of Caulks Creek, Wildwood, Missouri Archive of hydrologic and hydraulic models used in the simulation of hydraulic characteristics of Caulks Creek, Wildwood, Missouri
Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2018, to September 30, 2019 (ver 2.0, Level 5 rev) Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2018, to September 30, 2019 (ver 2.0, Level 5 rev)
Bathymetry and Water-Quality Data of Surface Water Bodies in Cook County, Illinois, 2023 (ver. 2.0, March 2025) Bathymetry and Water-Quality Data of Surface Water Bodies in Cook County, Illinois, 2023 (ver. 2.0, March 2025)
Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2017, to September 30, 2018 Monitoring Data to Support the Operation of the Electric Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2017, to September 30, 2018
Water Surface Velocities in the Downstream Approach to Peoria Lock, near Peoria, Illinois, During Testing of an Automated Barge Clearing Deterrent, September 15, 2022 Water Surface Velocities in the Downstream Approach to Peoria Lock, near Peoria, Illinois, During Testing of an Automated Barge Clearing Deterrent, September 15, 2022
Bathymetric map and surface area and capacity table for Beaver Lake near Rogers, Arkansas, 2018 Bathymetric map and surface area and capacity table for Beaver Lake near Rogers, Arkansas, 2018
Drift and dispersion of silver carp (Hypophthalmichthys molitrix) eggs and larvae for hypothetical spawning scenarios in the Upper Mississippi River Drift and dispersion of silver carp (Hypophthalmichthys molitrix) eggs and larvae for hypothetical spawning scenarios in the Upper Mississippi River
Field evaluation of the Automated Barge Clearing Deterrent (ABCD): Hydrodynamic, navigation, and fish response effects Field evaluation of the Automated Barge Clearing Deterrent (ABCD): Hydrodynamic, navigation, and fish response effects
Geomorphic change, hydrology, and hydraulics of Caulks Creek, Wildwood, Missouri Geomorphic change, hydrology, and hydraulics of Caulks Creek, Wildwood, Missouri
Reproduction of grass carp (Ctenopharyngodon idella) in the Maumee River, Ohio: Part 2—Optimal river conditions for egg and larval drift Reproduction of grass carp (Ctenopharyngodon idella) in the Maumee River, Ohio: Part 2—Optimal river conditions for egg and larval drift
Effects of climate change on the hydrologic and hydraulic response of the Caulks Creek basin, Wildwood, Missouri Effects of climate change on the hydrologic and hydraulic response of the Caulks Creek basin, Wildwood, Missouri
Hydrologic modeling and river corridor applications of HY_Features concepts Hydrologic modeling and river corridor applications of HY_Features concepts
Historical hydrologic and geomorphic conditions on the Black River and selected tributaries, Arkansas and Missouri Historical hydrologic and geomorphic conditions on the Black River and selected tributaries, Arkansas and Missouri
Fluvial Egg Drift Simulator (FluEgg) user’s manual Fluvial Egg Drift Simulator (FluEgg) user’s manual
Analysis of nearshore placement of sediments at Ogden Dunes, Indiana Analysis of nearshore placement of sediments at Ogden Dunes, Indiana
Efficacy of increasing discharge to reduce tow-mediated fish passage across an electric dispersal barrier system in a confined channel Efficacy of increasing discharge to reduce tow-mediated fish passage across an electric dispersal barrier system in a confined channel
Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System
Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway
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.