Gary P Johnson

EDUCATION:

M. Public Administration, University of Illinois

B.S. General Engineering, University of Illinois

STARTED WITH THE USGS -- 1989

AREAS OF EXPERTISE

• Chief of the Hydrologic Data Section in Illinois since 2004, supervising over 25 employees, and managing an annual budget of over $3 million.
• Project Chief of Illinois Sediment Project 1993-2004, monitoring sediment loads through several selected Illinois streams. Continued involvement with National Training Center 'Sediment Data Collection Techniques' course as Course Co-Coordinator
• Experienced in surface-water-quantity, sediment, and water-quality data collection techniques
• Completed numerous water resources research projects-emphases on sediment, pesticide, and nutrient transport in waterways and lakes
• Completed extensive research of water-mixing patterns and water quality effects of aeration and mixing of lakes
• Performed many bathymetric surveys 

SELECTED PUBLICATIONS

Johnson, G.P., Hornewer, N.J., Robertson, D.M., and Olson, D.T., 2000, Methodology, data collection, and data analysis for determination of water-mixing patterns resulting from operation of aerators and mixers, U.S. Geological Survey Water-Investigations Report 00-4101, 72 pages.

Johnson, G.P., and Coupe, R.H., 1996, Transport and concentrations of selected herbicides and nitrate in the Sangamon River, Illinois, April 1991 - March 1992, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Colorado Springs, Colorado, September 20-24,1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, Volumes 1 and 2.

Johnson, Gary P., Holmes, R.R., and Waite, L., 2003, The Great Flood of 1993 on the Upper Mississippi River-- 10 Years Later, U.S. Geological Survey Fact-Sheet 2004-3024, 6 pages. Note: Winner of the USGS Dave Aronson Award for 2004 Report of the Year.

Johnson, Gary P., 1999, Application of an acoustic point velocity meter to measure water velocity profiles induced by air diffusers and mixers, in Proceedings of the ASCE 1999 International Water Resource Engineering Conference Program, Seattle, Washington, August 8-12, 1999.

Johnson, Gary P., and Hayes, R.D., 2001, Suspended-sediment budget and yields for the LaGrange Pool of the Illinois River, October 1994- September 1997, in Proceedings of the 7th Federal Interagency Sedimentation Conference, Reno, NV, March 25-29, 2001.

Johnson, Gary P., 2008, More than Topographic Maps, OutdoorIllinois, IL Department of Natural Resources, August 2008. pp. 6-17.

Johnson. G.P., 2005, The Future of Streamgaging in Illinois, in November 2005 issue of the USGS Illinois Water Science Center Newsletter, 8p.

Straub, T.D., Johnson, G.P., Roseboom D.P., and Sierra, C.R., 2006, Suspended-sediment yields and stream-channel processes on Judy’s Branch watershed in the St. Louis Metro East Region in Illinois, USGS Scientific Investigations Report 2006-5016, 41 p.

Phipps, R.L., Johnson, G.P., and Terrio, P.J., 1994, Dendrogeomorphic estimate of changes in sedimentation rate along the Kankakee River, near Momence, Illinois, U.S. Geological Survey Water-Resources Investigations Report 94-4190.

Coupe, R.H., and Johnson, G.P., 1991, Triazine herbicides in selected streams in Illinois during storm events, spring 1990, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program- Proceedings of the technical meeting, Monterey Calif., March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations Report 91-4034.

Coupe, R.H., and Johnson, G.P., 1991, Triazine herbicides in selected streams in Illinois during storm events, Spring 1990, in Proceedings of the Annual Conference of the Illinois Section of the American Water Resources Association, Peoria, Illinois, October 21, 1991.

Schalk, G.K., Holmes, R.R., and Johnson, G.P., 1998, Chemical and physical data of sediments deposited in the Mississippi and Missouri River flood plains during the July through August 1993 flood, U.S. Geological Survey Circular 1120-L, 62 p.

Oberg, K.A., Holmes, R.R., and Johnson, G.P., 1996, Velocity and scour measurements in and near the Miller City Levee Break, in Proceedings of the Sixth Federal Interagency Sedimentation Conference, Las Vegas, NV, March 10-14, 1996, pages P.75-P.78.

Hornewer, N.J., Johnson, G.P., Robertson, D.M., and Hondzo, M., 1997, Field-scale tests for determining mixing patterns associated with coarse-bubble air diffuser configurations, Egan Quarry, Illinois, in Wang, S.S.Y, ed., Proceedings of the 27th I.A.H.R. Congress, San Francisco, California, August 10-15, 1997.

Holmes, R.R., and Johnson, G.P., 1998, The U.S. Geological Survey in Illinois, in Proceedings of Illinois Water '98 Conference, Urbana, Illinois, November 16-17, 1998.

Robertson, D.M., Hornewer, N.J., Johnson, G.P., Hondzo, M., and Schladow, S.G., 2005, Measured and simulated mixing characteristics and patterns associated with bubble-plume aeration, Internet publication in the web page for the USGS surface-water quality and flow modeling interest group, http://smig.usgs.gov/SMIG/uo/features_0997/egan.html

Kosky, K., Straub, T.D, Roseboom, D., and Johnson, G.P., 2004, Brewster Creek, Illinois Dam Removal and Restoration, in Proceedings of the American Society of Agricultural Engineers Conference, Self-Sustaining Solutions for Streams, Wetlands, and Watersheds, St. Paul, MN, Sept. 12-15, 2004.

Gray, J.R., Melis, T.S., Bent, G.C., and Johnson, G.P., 2005, Introduction to the Proceedings of the Federal Interagency Sediment Monitoring Instrument and Analysis Workshop, in Proceedings of the Federal Interagency Sediment Monitoring Instrument and Analysis Workshop, USGS Circular 1276, 76 p. http://pubs.usgs.gov/circ/2005/1276/pdf/introduction.pdf

LaTour, J.K., and Johnson, G.P., 2005, Record Flooding in Illinois During January 2005, in May 2005 issue of the USGS Illinois Water Science Center Newsletter, 8p.