John E. Gilley, Ph.D., P.E.

Research Agricultural Engineer - USDA - Agricultural Research Service, Adjunct Professor of Biological Systems Engineering
Academic Degrees
  • Ph.D. Agricultural Engineering, Colorado State University - Fort Collins
  • M.S. Agricultural Engineering, University of Minnesota-Minneapolis
  • B.S. Physics and Mathematics, Southern Colorado State College-Pueblo
  • Registered Professional Engineer
Areas of Research and Professional Interest

Research Interests

  • Manure management
  • Surface hydrology
  • Water quality
  • Soil and water conservation engineering



Honors and Awards
  • USDA Superior Service Award for Contributions to the Water Erosion Prediction Project, 1990
  • OECD Research Fellowship, Queensland Department of Primary Industries, Toowoomba, 1995
  • Journal of Soil and Water Conservation, Best Research Article Award, 1998 and 2000
  • Transactions of the ASABE, Honorable Mention Paper Award, 2008 and 2009
  • Nebraska Section of ASABE Award for Outstanding Contributions to Nebraska Agriculture, 2010
  • USDA-ARS Superior Performance Award, 2008, 2009, 2011, 2013, 2014, 2015

Selected Publications
  • Woodbury, B., Gilley, J.E., Parker, D.B., Marx, D.B, and Eigenberg, R.A. 2014. VOC emissions from feedlot pen surface materials as affected by within pen location, moisture, and temperature. Biosystems Engineering. 134:31-41.
  • Joy, S.R., Li, X., Snow, D.D., Gilley, J.E., Woodbury, B.L., and Bartlett-Hunt, S.L. 2014. Fate of antimicrobials and antimicrobial resistance genes in simulated swine manure storage. Science of the Total Environment. 481:69-74.
  • Soni, B., Bartlett-Hunt, S.L., Snow, D.D., Gilley, J.E., Woodbury, B.L, and Li, X. 2014. Narrow grass hedge effects on the transport of antimicrobials and antimicrobial resistance genes in runoff following the application of swine slurry. Journal of Environmental Quality. 44(3):895-902.
  • Blanco-Canqui, H., Gilley, J.E., Eisenhauer, D.E., Jasa, P.J., and Boldt, A. Soil carbon accumulation under swithgrass barriers. 2014. Agronomy Journal. 106(6):2185-2192.
  • Gilley, J.E., Boone, G.D., and Marx, D.B. Nutrient concentrations of runoff as affected by the diameter of unconsolidated material from feedlot surfaces. 2014. Trans. of the ASABE. 57(3):749-759.
  • Woodbury, B.L., Gilley, J.E., Parker, D.B., Marx, D.B., Miller, D.N. and Eigenberg, R.A. 2014. Emission of volatile organic compounds following land application of cattle manure. J. Environmental Quality. 43(4):1207-1218.
  • Joy, S.R., Bartlett-Hunt, S.L., Snow, D.D., Gilley, J.E., Woodbury, B.L., Parker, D.B., Marx, B.B. and Li, X. 2013. Fate and transport of antimicrobial and antimicrobial resistance genes in soil and runoff following land application of swine slurry. J. of Environmental Sci. and Tech.. 47:12081-12088.
  • Parker, D.B., Gilley, J.E., Woodbury, B.L., Kim, K.H., Galvin, G., Bartlett-Hunt, S.L., Li, X., and Snow, D.D. 2013. Odorous VOC emissions following land application of swine manure slurry. Atmospheric Environment. 66:91-100.
  • Gilley, J.E. and Boone, G.D. 2013. Hydraulic conditions required to not move unconsolidated surface material located within feedlots. 2013. Trans. of the ASABE. 56(3):911-918.
  • Gilley, J.E., Bartlett-Hunt, S.L., Lamb, S.J., Li, X., Marx, D.B., Snow, D.D., Parker, D.B, and Woodbury, B.L. 2013. Narrow grass hedge effects on nutrient transport following swine slurry application. Trans. of the ASABE. 56(4):1441-1450.
  • Gilley, J.E., Bartlett-Hunt, S.L., Lamb, S.J., Li, X., Marx, D.B., Snow, D.D., Parker, D.B, and Woodbury, B.L. 2013. Runoff nutrient transport as affected by land application method, swine growth stage, and runoff rate. Trans. of the ASABE. 56(6):1295-1303.
  • Gilley, J.E., Vogel, J.R., Eigenberg, R.A., Marx, D.B, and Woodbury, B.L. 2012. Nutrient losses in runoff from feedlot surfaces as affected by unconsolidated surface materials. Journal of Soil and Water Conservation. 67(3):211-217.
  • Thayer, C.A., Gilley, J.E., Durso, L.M. and. Marx, D.B. 2012. Runoff nutrient loads as affected by residue cover, manure application rate, and flow rate. Trans. of the ASABE 55(1):249-258.
  • Thayer, C.A., Gilley, J.E., Durso, L.M. and. Marx, D.B. 2012. Wheat strip effects on nutrient loads following variable manure applications. Trans. of the ASABE 55(2):439-449.
  • Gilley, J.E., Vogel, J.R., Eigenberg, R.A., Marx, D.B. and Woodbury, B.L. 2011. Runoff, erosion, and size distribution of sediment from beef cattle feedlots. Trans. of the ASABE. 54(2): 435-440.
  • Vogel, J.R., Gilley, J.E., Cottrell, G.L., Woodbury, B.L., Berry, E.D., and Eigenberg, R.A. 2011. Transport of trace elements in runoff from unamended and pond-ash amended feedlot surfaces. Trans. of the ASABE. 54(4): 1269-1279.
  • Durso, L.A., Gilley, J.E., Eigenberg, R.A., Marx, D.B., and Woodbury, B.L. 2011. Effects of diet, manure application rate, and tillage on transport of micro-organisms from manure-amended fields. Applied and Environmental Microbiology. 77(18):6715-6717.
  • Gilley, J.E., Durso, L.M., Eigenberg, R.A., Marx, D.B., and Woodbury, B.L. 2011. Narrow grass hedge control of nutrient loads following variable manure applications. Trans. of the ASABE. 54(3):847-855.