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USGS ILLINOIS WATER SCIENCE CENTER WATERSHED AND RIVER MODELING TEAM

For more information:  Audrey Ishii, Illinois Water Science Center Surface Water Investigations Section Chief  (217) 344-0037 ext. 3026 alishii@usgs.gov

Jim Duncker - Hydrologist
B.S., Geology, University of Colorado, Boulder, Colorado, 1982

· Instrumentation coordinator for the Illinois Water Science Center
· Project chief for the Lake Michigan Diversion Accounting project
· HSPF rainfall-runoff modeling studies in DuPage and Lake counties
· Joint USEPA-USGS HSPF watershed modeling study for the proposed Crandon Mine project
· Hydroacoustic techniques for discharge measurements and bathymetric surveys

Audrey Ishii, P.E. - Hydrologist
B.S., Civil Engineering, University of Illinois at Urbana-Champaign
B.S., Secondary Education, Mathematics, University of Illinois at Urbana-Champaign

· Near Real-Time Flood Simulation System for Salt Creek in DuPage County, Ilinois
· Unsteady Flow Modeling with FEQ
· Surface and subsurface transport modeling
· Certified Floodplain Manager in Illinois

Robert Holmes, Jr., Ph.D., P.E. - Hydrologist/Engineer
Ph.D., Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, 2003
Dissertation:"Vertical Velocity Profiles in Sand-Bed Alluvial Rivers"
M.S., Civil Engineering (Hydraulics and Hydrology), University of Missouri-Rolla, 1989
B.S., Civil Engineering, University of Missouri-Rolla, 1987

· Rainfall-runoff modeling
· Steady and unsteady one-dimensional hydraulic modeling
· Bridge scour processes
· Flood and drought frequency analysis
· Sedimet transport processes

Elizabeth Murphy - Hydrologist
M.S., Environmental Engineering, University of Illinois at Urbana-Champaign, 2002
B.S., Civil Engineering, University of Illinois at Urbana-Champaign, 1998

· Rainfall-runoff modeling
· Steady and unsteady one-dimensional hydraulic modeling
· Surveying
· Near Real-Time Flood Simulation System for Salt Creek in DuPage County, Illinois

Terry Ortel - Hydrologist
M.S., Agricultural Engineering, Kansas State University, Manhattan, Kansas, 1986
B.S., Agricultural Engineering, Purdue University, West Lafayette, Indiana, 1984

· Near Real-Time Flood Simulation System for Salt Creek in DuPage County, Illinois
· Development of Web Applications for Summary/Display of Real-Time Data
· Unsteady Flow Modeling with FEQ
· Software development

Thomas M. Over, Ph.D., P.E. - Hydrologist
Ph.D., Geophysics, Hydrology Option, University of Colorado, Boulder, 1995.
Dissertation: "Modeling Space-Time Rainfall at the Mesoscale Using Random Cascades"
M.S., Water Resources Engineering, Department of Civil Engineering, Stanford University, 1984
B.S., Civil Engineering, Massachusetts Institute of Technology, 1983

· Stochastic hydrology and climatology
· Rainfall-runoff modeling and open-channel hydraulics
· Error analysis of discharge measurements

David Soong, Ph.D., P.E. - Hydrologist
Ph.D., Water Resources Engineering, University of Illinois at Urbana-Champaign, 1986
Dissertation: "Hydrodynamic Pressures Induced by Earthquakes on Dams"
M.S., Water Resources Engineering, University of Illinois at Urbana-Champaign, 1980
B.S., Hydraulic Engineering, Feng-Chia College, Taiwan, 1975

· Flow and sediment routing, erosion and sedimentation
· Steady and unsteady one- and two-dimensional hydraulic modeling
· Flood and drought frequency analysis

Tim Straub, P.E. - Hydrologist
PhD (ABD), Civil and Environmental Engineering, Colorado State University
M.S., Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, 2000
B.S., Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, 1995

· Kane County HSPF/HEC-RAS Floodplain Mapping
· Rapid Geomorphic Watershed Assessment
· Brewster Creek Dam Removal
· Fox River Obemeyer Gate Rating


Selected Publications
Team Contact List

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