Ann D. Christy, Ph.D., P.E.
Associate Professor

Vita

Contact Information

• Major Fields of Specialization
• Education
• Links of Interest
• Teaching Curriculum
• Extension Program
• Professional Experience
• Professional Registration and Certification
• Selected Recent Publications

For more information on the above photos click here for Links of Interest

Primary interests include bio-environmental engineering, field and laboratory studies of solid waste management systems, landfill bioreactors, fracture flow hydrogeology and contaminant transport, design of ground water and soil bioremediation systems, disinfection electrotechnologies, modeling of environmental fate and transport of agricultural and industrial chemicals, environmental geochemistry, geographic information systems (GIS), innovative methods for engineering and technical education, environmental controls for agricultural structures, and rehabilitation and reutilization of old barns.

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• Ph.D. 1991 Environmental Systems Engineering, Clemson University, Clemson, SC
• M.Sc. 1985 Biomedical Engineering, The Ohio State University, Columbus, OH
• B.Sc. 1983 Agricultural Engineering, The Ohio State University, Columbus, OH

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http://www.oardc.ohio-state.edu/fractures/

http://www.ohiosci.org/Fractures.pdf

http://www.ohiosci.org/Fractures.htm

Bioreactor landfills

http://www.forester.net/msw_0011_bioreactor.html

http://www.bioreactor.org/

http://www.wm.com/bio.asp

Environmental Agencies

http://www.epa.gov/

http://www.epa.state.ohio.us/oepa.html

http://www.ohiodnr.com/

http://www.swaco.org/

Superfund environmental case studies

http://www.epa.gov/superfund/

Industrial Excess Landfill

http://www.epa.gov.superfund/sites/npl/nar698.htm

Love Canal

http://ublib.buffalo.edu/libraries/units/sel/exhibits/lovecanal.html

Barns

http://barnagain.osu.edu

http://www.ohiohistory.org/resources/histpres/toolbox/barnagain.html

http://ohiobarns.osu.edu/

Student Portfolios

http://fabe.osu.edu/PORTFOLIO%20ACSM/portfolio.html

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Modeling and Design of Biological Systems
(FABE 625): Autumn Quarter

Biological engineering of systems which include microbial, plant and animal components.  Applications include bioremediation, fermentation, composting, and bioprocessing.

Environmental Controls for Agricultural Structures
(FABE 645): Winter Quarter

Design of heating, ventilation, and air conditioning systems for agricultural structures, including barns, livestock housing, greenhouses, plant growth chambers, fruit and vegetable storage, and grain dryers.

Pollution Control and Waste Utilization
(ACSM 550): Spring Quarter

Management and utilization of animal wastes, fertilizers, pesticides, crop residues, milk, and food processing wastes, and farmstead and urban solid wastes to abate environmental pollution at the urban-rural interface.

Design of Waste Management Systems 
(FABE650): Spring Quarter

Rural, community, and on-site wastewater and waste engineering for small or decentralized waste management systems.

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BarnAgain! in Ohio:  
Restoring, renovating, and reutilizing historic agricultural structures

http://barnagain.osu.edu

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Assistant Professor of Bio-environmental Engineering, Department of Food, Agricultural and Biological Engineering, The Ohio State University, Columbus, OH  (1996-2001)

Senior Associate Scientist and Engineer, Bennett and Williams Environmental Consultants Inc., Columbus, OH (1999-present, part-time)

Senior Engineer, Killam Associates Consulting Engineers, Millburn, NJ (1992-1995 full time, 1996-1999, partime)

• Registered Professional Engineer, State of Ohio
• OSHA Certification: Health and Safety for Hazardous Waste Site Operations (40-hrs)
• OSHA Certification: Permit-Required Confined Space Operations
• OSHA Certification: Excavation and Trench Safety
  

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Weatherington-Rice, Julie, and Ann D. Christy. 2002. Fracture and macropore flow in nutrient / pesticide transport to ground water and surface water. Ohio Journal of Science  102(1): A-13-14.

Hughes, K.L., and A.D. Christy.  2002. Biological engineering education and the biology knowledge explosion: Lessons from biology educators.  American Society of Agricultural Engineers Annual Meeting.   ASAE Paper 02-7030. 8 p.

Hughes, Kerry L., Andy D. Ward, and Ann D. Christy. 2002. A new engineering course closes the education gap in applying natural channel concepts to engineering design. Ohio Journal of Science  102(1): A-34-35.

Christy, Ann D., and Julie Weatherington-Rice. 2001. Fractured glacial till sites and soils in central Ohio. Ohio Journal of Science  101(1): A-24.

Weatherington-Rice, Julie,  Carol Moody, Diane Yagich, and Ann Christy. 2001. Filling in the gaps: Using mini-courses to teach earth sciences needed for students’ successful completion of interdisciplinary engineering design projects.  Ohio Journal of Science  101(1): A-30-31.

Myers, M.J., A.D. Christy, and O.H. Tuovinen.  2000. Design of a laboratory scale bioreactor for treating landfill waste.  Applied Engineering in Agriculture 16(6):747-756.

Christy, A.D., L. A. McFarland, and D. Carey.   2000. The use of test pits to investigate subsurface fracturing and glacial stratigraphy in tills and other unconsolidated materials.  Ohio Journal of Science 100(3/4):100-106.

Christy, A.D., and J. Weatherington-Rice. 2000. Field workshop on subsurface fractures in glacial till and their environmental implications: An educational experience for professionals and decision-makers.   Ohio Journal of Science 100(3/4):94-99.

Weatherington-Rice, J., A.D. Christy, and J. L. Forsyth.  2000. Ohio’s Fractured Environment. Ohio Journal of Science 100(3/4):36-38.

McMahon, M., and A.D. Christy.  2000. Root growth, calcite precipitation, and gas and water movement in fractures and macropores: A review with field observations. Ohio Journal of Science 100(3/4):88-93.

Fausey, N., G. Hall, J. Bigham, B. Allred, and A.D. Christy. 2000. Properties of the Fractured Glacial Till at the Madison County, Ohio, Field Workshop Pit Site. Ohio Journal of Science 100(3/4):107-112.

Klingman, M.H., and A.D. Christy.  2000.  Development of a continuous system for sanitizing whole apples with aqueous ozone.  Transactions of the ASAE  43(6):1989-1996.

Christy, A.D., N.R. Fausey, B.J. Allred, G.F. Hall, and J.M. Bigham. 2000. Hydraulic, physical, and chemical properties of fractured glacial till. American Society of Agricultural Engineers Annual Meeting. ASAE Paper 00-2139. 6 p.

Weatherington-Rice, J., L. Aller, T. Bennett, D. Hunter, N.R. Fausey, B.J. Allred, L. Tornes, C.S. Brockman, M. Angle, G.F. Hall, A.D. Christy, J. Szabo, and B. Lloyd-Hite. 2000. The use of long term, large scale pumping data to determine the regional recharge rates through fractured till and lacustrine materials. In Groundwater Research, Rosbjerg et al. (eds.): Proceedings of the International Conference on Groundwater Research, Copenhagen, Denmark, 6-8 June 2000.  AA Balkema: Rotterdam, Netherlands, pp. 515-516.

Christy, A.D. 2000. The biology of subsurface fractures: Roots, earthworms, and calcite forming micro-organisms.  A conference on fractured glacial tills: Proceedings from the Water Management Association of Ohio's Spring Conference, May 9, 2000 held in Columbus, Ohio,  published by the Water Management Association of Ohio, pp.15.

Christy, A.D., M. Lima, and A.D. Ward. 2000. Implementing real-world problem solving projects in a team setting.  National Association of Colleges and Teachers of Agriculture Journal  44(3):72-77.

Cauble, S., A.D. Christy, and M. Lima. 2000. Toward plugging the leaky pipeline: Biological and agricultural engineering female faculty in the United States and Canada. Journal of Women and Minorities in Science and Engineering 6(3):231-251.

Lima, M., A.D. Christy, M. Owens, and J.C. Papritan. 1999. The use of student portfolios to enhance learning and encourage industrial ties in undergraduate education.  National Association of Colleges and Teachers of Agriculture Journal  43(3): 51-54.

Christy, A.D. and M. Lima. 1998. The use of student portfolios in engineering instruction. Journal of Engineering Education  87(2): 143-148.

Weatherington-Rice, J., L. Aller, T. Bennett, A.D. Christy, J. Bigham, G. Hall, M. Angle, S. Brockman, E. Miller, L. Tornes, N. Fausey, and J. Gerken.  1998.  Fractures in high clay content unlithified glacial materials in Ohio: Where they are found, how they are formed, and why they persist.   Proceedings: Mass Transport in Fractured Aquifers and Aquitards  invitational conference, held in Copenhagen, Denmark.  pp. 66-69.

Weatherington-Rice, J., L. Aller, T. Bennett, A.D. Christy, J. Bigham, G. Hall, M. Angle, S. Brockman, E. Miller, L. Tornes, N. Fausey, and J. Gerken.  1998.  Research and educational outreach efforts relating to fracture formation and water/contaminant transport in Ohio.  Proceedings: Mass Transport in Fractured Aquifers and Aquitards  invitational conference, held in Copenhagen, Denmark. pp. 101-104.

Papritan, J.C., A.D. Christy, and M. Owens.  1998.  Barn Aid 4: Barn Roofs.   National Trust for Historic Preservation. Meredith Press Corporation. Denver, CO.  8 p.

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