Jonathan Witter, Ph.D.

Jonathan Witter, Ph.D.
Assistant Professor - Agronomy & Soils
Office: 
1328 Dover Road, Skou 221F, Wooster, Ohio 44691
Phone: 
330-287-1377
Degree Information: 
Ph.D., The Ohio State University

Works

Journal Articles

Kalcic, M.; Crumpton, B.; Liu, X.; D'Ambrosio, J. et al., "Assessment of beyond-the-field nutrient management practices for agricultural crop systems with subsurface drainage" Journal of Soil and Water Conservation 73 1 (2018) 62-74-62-74
Roley, S.S.; Tank, J.L.; Tyndall, J.C.; Witter, J.D., "How cost-effective are cover crops, wetlands, and two-stage ditches for nitrogen removal in the Mississippi River Basin?" Water Resources and Economics 15 (2016)
D'Ambrosio, J.L.; Ward, A.D.; Witter, J.D., "Evaluating geomorphic change in constructed two-stage ditches" Journal of the American Water Resources Association 51 4 (2015)
Kroeger, R.; Czarnecki, J.M.P.; Tank, J.L.; Christopher, S.F. et al., "Implementing innovative drainage management practices in the Mississippi River Basin to enhance nutrient reductions" Journal of the American Water Resources Associatioin 51 4 (2015)
D'Ambrosio, J.; Williams, L.; Williams, M.; Witter, J. et al., "Geomorphology, habitat, and spatial location influences on fish and macroinvertebrate communities in modified channels of an agriculturally-dominated watershed in Ohio, USA" Ecological Engineering 68 (2014)
D'Ambrosio, J.; Witter, J., "Another innovative drainage management channel design: the self-forming channel" Ohio Country Journal July (2012)
Roley, S.R.; Tank, J.L.; Stephen, M.L.; Johnson, L.T. et al., "Floodplain restoration enhances denitrification and reach-scale nitrogen removal in an agricultural stream" Ecological Applications 22 (2012)
D'Ambrosio, J.L.; Witter, J.D.; Ward, A.D., "When good ditches go bad: is your agricultural drainage ditch working for you?" Ohio Country Journal 20 (2012)
Witter, J.D.; D'Ambrosio, J.L.; Ward, A.D., "Considerations for implementing two-stage channels" Ohio Country Journal August (2011)
Surendran-Nair, S.; King, K.; Fausey, N.; Sohngen, B. et al., "Importance of crop yield for calibrating watershed water quality simulation tools" Journal of the American Water Resources Association 47 6 (2011)
Witter, J.D.; Ward, A.D.; D'Ambrosio, J.L., "Predicting stream dynamic equilibrium in a central Ohio watershed" Journal of Natural and Environmental Sciences 2 1 (2011)
D'Ambrosio, J.; Williams, L.; Witter, J.; Ward, A., "Effects of geomorphology, habitat, and spatial location on fish assemblages in a watershed in Ohio, USA" Environmental Monitoring and Assessment 148 1-4 (2009)
Witter, J.; Lyon, J.; Puskas, B., "Differential GPS geometric rectification on fine-resolution aircraft scanner data" Journal of Surveying Engineering 2 127 (2001) 52-58-52-58

Chapters

"Chapter 2: Soil and water management" In Ohio Agronomy Guide, 15th Edition. 2017.
"Fluvial processes in agricultural ditches in the North Central region of the United States and implications for their management" In Agricultural drainage ditches: mitigation wetlands of the 21st century. Edited by Moore, M.; Kroger, R.. 2010.
"Two-stage channel geometry: active floodplain requirements" In Encyclopedia of Water Science. Edited by Trimble, S.; Stewart, B.; Howell, T.. 2008.

Conferences

Mecklenburg, D., Ward, A.D., Witter, J.D. and J. D'Ambrosio, "Spreadsheet Tools for River Evaluation, Assessment, and Monitoring" River Flow 2014 International Conference on Fluvial Hydraulics 2014.
Mecklenburg, D.; Ward, A.D.; Witter, J.D.; D'Ambrosio, J., "Spreadsheet Tools for River Evaluation, Assessment, and Monitoring" River Flow 2014 International Conference on Fluvial Hydraulics 2014.
D'Ambrosio, J.L.; Ward, A.; Witter, J.D.; Willams, L.R., "Consideration of hydrology, hydraulics, and stream morphology to effectively meet state and national water quality standards" 2012.
D'Ambrosio, J.L.; Ward, A.; Witter, J.D.; Tank, J.L., "Ecological services of constructed two-stage agricultural ditches" 2012.
D'Ambrosio, J.; Ward, A.; Williams, L.; Witter, J., "Consideration of hydrology, hydraulics, and stream morphology to effectively meet state and national water quality standards" 21st Century Watershed Technology Conference and Workshop - ASABE 2012.
D'Ambrosio, J., Ward, A., Witter,J. and L. Williams, "Consideration of hydrology, hydraulics, and stream morphology to effectively meet state and national water quality standards" 21st Century Watershed Technology Conference and Workshop - ASABE 2012.
D'Ambrosio, J., Ward, A., Witter, J. and J. Tank, "Ecological services of constructed two-stage agricultural ditches" 21st Century Watershed Technology Conference and Workshop - ASABE 2012.
D'Ambrosio, J.; Ward, A.; Witter, J.; Tank, J., "Ecological services of constructed two-stage agricultural ditches" 21st Century Watershed Technology Conference and Workshop - ASABE 2012.
Witter, J., Ward, A., D’Ambrosio, J., Tank, J., Roley, S., Kallio, S. and R. Kallio, "The sustainability and nitrate reduction potential of two-stage agricultural ditches" ASABE International Meeting 2011.
Witter, J.; Ward, A.; D’Ambrosio, J.; Tank, J. et al., "The sustainability and nitrate reduction potential of two-stage agricultural ditches" ASABE International Meeting 2011.
Ward, A.; Mecklenburg, D.; D'Ambrosio, J.; Witter, J., "Spreadsheet Tools for River Evaluation, Assessment, and Monitoring (STREAM)" World Environment and Water Resource Congress 2011: Bearing Knowledge for Sustainability 2011.
Ward, A., Mecklenburg, D., D'Ambrosio, J. and J. Witter, "Spreadsheet Tools for River Evaluation, Assessment, and Monitoring (STREAM)" World Environment and Water Resource Congress 2011: Bearing Knowledge for Sustainability 2011.
Witter, J.D.; Ward, A.; D'Ambrosio, J.L.; Tank, J.L. et al., "The sustainability and nitrate nitrogen reduction potential of two-stage agricultural ditches" 2011.
Kallio, R.; Ward, A.; D'Ambrosio, J.; Witter, J.D., "A decade later: The establishment, channel evolution, and stability of innovative two-stage agricultural ditches in the midwest region of the United States" 2010.
Kallio, S.; Ward, A.; D'Ambrosio, J.; Witter, J.D., "Beyond the field: A look at agricultural ditch floodplains as a water quality BMP" 2010.
Witter, J., Ward, A. and J. D'Ambrosio, "Predicting dymanic equilibrium in streams in the Olentangy River watershed, Ohio, USA" CIGR 2010 World Congress 2010.
Kallio, S.; Ward, A.; D'Ambrosio, J.; Witter, J., "Beyond the field: a look at agricultural ditch floodplains as a water quality BMP" CIGR 2010 World Congress 2010.
Kallio, R.; Ward, A.; D'Ambrosio, J.; Witter, J., "A decade later: the establishment, channel evolution, and stability of innovative two-stage agricultural ditches in the midwest region of the United States" CIGR 2010 World Congress 2010.
Kallio, S., Ward, A., D'Ambrosio, J. and J. Witter, "Beyond the field: a look at agricultural ditch floodplains as a water quality BMP" CIGR 2010 World Congress 2010.
Kallio, R., Ward, A., D'Ambrosio, J. and J. Witter, "A decade later: the establishment, channel evolution, and stability of innovative two-stage agricultural ditches in the midwest region of the United States" CIGR 2010 World Congress 2010.
Witter, J.; Ward, A.; D'Ambrosio, J., "Predicting dymanic equilibrium in streams in the Olentangy River watershed, Ohio, USA" CIGR 2010 World Congress 2010.
Nair, S.; Sohngen, B.; King, K.; Fausey, N. et al., "Integrated watershed economic model for non-point source pollution management in Upper Big Walnut Creek watershed, OH" AAEA (Agricultural and Applied Economics Association), CAES (Canadian Agricultural Economics Society), and WAEA (Western Agricultural Economics Association) Joint Annual Meeting 2010.
Nair, S., Sohngen, B., King, K., Fausey, N., Witter, J. and D. Southgate, "Integrated watershed economic model for non-point source pollution management in Upper Big Walnut Creek watershed, OH" AAEA (Agricultural and Applied Economics Association), CAES (Canadian Agricultural Economics Society), and WAEA (Western Agricultural Economics Association) Joint Annual Meeting 2010.
Ward, A.; Mecklenburg, D.; Farver, D.; Witter, J. et al., "Insight on the variable nature of channel and bank-forming discharges" American Society of Agricultural and Biological Engineers Annual International Meeting 2003.
Ward. A., Mecklenburg, D., Farver, D., Witter, J. and A. Jayakaran, "Insight on the variable nature of channel and bank-forming discharges" American Society of Agricultural and Biological Engineers Annual International Meeting 2003.

Presentations

"Waterways and channels." In 2018 ODOT Bridge Inspectors Annual Meeting. 2018.
"Alternative stream channel maintenance at bridge crossings." In Transportation Research Board Annual Meeting. 2018.
"Alternative stream channel maintenance at bridge crossings." In ODOT Research Results Seminar Series. 2017.
"Alternative stream channel design at bridge crossings." In Ohio Transportation Engineering Conference. 2016.
"Technology in agriculture demonstration and exploration." In Leadership Wooster. 2016.
"Phosphorus removal bed construction." In Agricultural Conservation, Protecting Water: Keeping Soil and Nutrients in the Field. 2016.
"Options for managing drainage ditches." In Field to Lake: Soil, Science, and Water Working Together. 2016.
"Two-stage ditches." In Field to Lake: Soil, Science, and Water Working Together. 2016.
"P-Filter Design for Runoff and Tile Draiage." In 16th Annual Meeting of the American Ecological Engineering Society. 2016.
"Ditch Modifications - Two-Stage and Overwide Channels." In Twenty-Fourth Annual Conservation Tillage & Technology Conference. 2016.
"Technology in agriculture." In Leadership Wooster. 2015.
"Two-stage ditches." In Agricultural Conservation, Protecting Water: Keeping Soil and Nutrients in the Field. 2015.
"Design decisions and tools for two-stage ditch construction." In The field and beyond: managing our water - Western Lake Erie Basin 2015. 2015.
"An integrated approach to foster science-based management of agricultural drainage channels in the Western Lake Erie Basin." In NIWQP and AFRI Project Directors Meeting. 2014.
"Agricultural drainage and runoff." In Ohio Sea Grant Science Writers Day. 2014.
"Novel approaches for restoring ecological function to channelized headwater streams." In Stone Laboratory Guest Lecture Series. 2014.
"An integrated approach to foster science-based management of agricultural drainage channels in the Western Lake Erie Basin." In Phosphorus along the land-river-lake continuum. 2014.
"N and P removal in drainage ditches." In Conservation Tilage and Technology Conference. 2014.
"Two-Stage Ditches: History, Benefits, and How It can be an Effective BMP." In Two-Stage Ditch Design Workshop. 2013.
"Two-Stage Survey and Design Concepts." In Two-Stage Ditch Design Workshop. 2013.
"Introducing Alternative Designs and Tools for Drainage Ditches." In 2013 National Non-Point Source Monitoring Conference and Workshops. 2013.
"Key Stream Geomorphology Factors and Applications of the STREAM Modules." In STREAMS Workshop. 2013.
"Stream morphology study using the STREAM modules: Spreadsheet Tools for River Evaluation, Assessment and Monitoring." In Rocky River Watershed Council Stream Geomorphology Workshop. 2013.
"The magic of ditches and drainage: management options." In Ridgemont STEM Workshop Series. 2013.
"Environmental education - why does it matter?." In Ridgemont STEM Summer Workshop Series. 2013.
"An integrated approach to foster science-based management of agricultural drainage channels in the Wester Lake Erie Basin." In 68th International Annual Conference. 2013.
"Ecosystem Services of Constructed Two-Stage Agricultural Ditches." In Proceedings of the 13th American Ecological Engineering Society Conference: Ecosystems for Water and Energy. 2013.
"Enhanced Channel Design/Two-Stage." In Ohio NRCS State Technical Committee Meeting. 2013.
"Re-evaluating the role of modified channels in supporting fish and macroinvertebrate communities.." In Proceedings of the 13th American Ecological Engineering Society Conference: Ecosystems for Water and Energy. 2013.
"Overview of two-stage ditch spreadsheet.." In Two-Stage Ditch Workshop. 2013.
"Research and Science." In Two-Stage Ditch Workshop. 2013.
"Design Recommendations for Two-Stage Ditches." In Upper Midwest Stream Restoration Symposium. 2013.
"What is a two-stage ditch?." In Great Lakes Restoration Initiative. 2012.
"Considerations in Siting Two-Stage Ditches." In USEPA Region 5 - Two-Stage Ditches. 2012.
"Two-stage ditch planning and design." In Two-stage ditch and bioreactor field day. 2012.
"Two-stage ditch, Hillsdale, MI." In Joint meeting of the Agricultural Drainage Managemen Systems Task Force and NCERA 217. 2012.
"Tools for determining the water quality benefits of two-stage ditches." In Minnesota Two-Stage Ditch. 2012.
"Spreadsheet tools for sizing channel systems." In Minnesota Two-Stage Ditch. 2012.
"Managing drainage ditches to remove P." In Conservation Tillage and Technology Conference. 2012.
"Alternative ditch design and management strategies: lessons learned." In Indiana Watershed Leaders Academy. 2012.
"Benefits and opportunities for two-stage ditch implementation." In NRCS Tri-State Meeting. 2011.
"Alternative best management practices for agricultural drainage channels." In Great Lake Regional Water Program - Two-Stage Ditch Symposium. 2011.
"Incorporating two stage ditches into Ohio's conservation programs." In Ohio NRCS State Technical Committee Meeting. 2011.
"Stream Channel Design Assessment." In 2011 Ohio Statewide Floodplain Managers Conference. 2011.
"Introduction to ecosystem services in the context of stream restoration." In Promoting and Protecting Ecosystem Services: A Holostic Approach to Selecting and Designing Stream Restoration Projects Workshop. 2011.
"STREAM Modules." In Advisory Committee on Water Information (ACWI) Subcommitte on Sedimentation. 2011.
"Modeling streambank sability with the USDA-ARS Bank Stability and Toe Erosion Model.." In Ohio EPA Modeling Workshop Series. 2010.
"Evaluating channel processes with Constrasting Channels - a STREAMs Tool." In Ohio EPA Modeling Workshop Series. 2010.
"Predicting upland erosion with the family of Universal Soil Loss Equations." In Ohio EPA Modeling Workshop Series. 2010.
"An introduction to the Instream Nitrogen Assimilation Tool." In Ohio EPA Modeling Workshop Series. 2010.
"Modeling instream processes in agricultural drainage ditches." In Ohio EPA Modeling Workshop Series. 2010.
"Evolution and extreme event routing for two-stage ditches in a tri-state region." In Ohio EPA Modeling Workshop Series. 2010.
"Effects of geomorphology, habitat, and spatal location on fish assemblages in the Olentangy River watershed, Ohio." In Environmental Sciences Evening Colloquium. 2010.
"Approaches to drainage ditch systems." In Indiana Watershed Leadership Program and Ohio Watershed Academy. 2010.
"How agricultural drainage systems can be enhanced for ecological functions." In Indiana Watershed Leadership Program and Ohio Watershed Academy. 2010.
"For your streams only." In National Nemo Network U7. 2010.
"Beyond fields, lawns, and detention ponds: water quality management opportunities in streams and ditches." In Olentangy Watershed Forum. 2009.
"The design and engineering." In Hoosier Chapter SWCS Summer Meeting. 2009.
"Tools for urban stormwater BMP tracking and assessment." In Northeast Ohio Long-Term Maintenance and Tracking. 2009.
"Stormwater modeling to improve local land use planning." In 16th National Nonpoint Source Monitoring Conference. 2008.
"Stream restoration techniques for reduction of nutients and other NPS pollutants." In Ohio AWWA - Southeast District Summer Meeting. 2008.
"Two-stage and overwide channels." In The Sandusky River watershed symposium. 2006.
"Environmental benefits of various conservation practices." In Conservation Tillage and Technology Conference. 2006.
"Upper Olentangy watershed program." In SouthEast Ohio Water Environment Association. 2004.
"Two-stage ditch design, cost analysis, and case studies." In Self-Sustaining Solutions for Streams, Wetlands and Watersheds. 2004.

Technical Reports

Witter, J.D.; Liu, X.; Moran, M.; Ward, A., "Water quality benefits of two-stage channel systems" 2017.
Witter, J.D., "Alternative stream channel maintenance at bridge crossings" 2017.
Witter, J.D.; Mecklenburg, D.; Hebert, M.; Yaryan-Hall, H. et al., "Alternative stream channel maintenance at bridge crossings" 2017.
Witter, J.; Lawrence, R.; Dick, W.; Milletto, D., "An assessment of rainfall pH effects on phosphorus losses for NW Ohio soils" 2016.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Turkey Run" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Honey Run" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Heckman Creek" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Fisher Run." 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, A., "Self-forming channel case study: Corathers Ditch" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Columbia Street Ditch" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Clover Groff Run" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Beem Ditch" 2013.
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Bagley Ditch" 2013.
Witter, J., Mecklenburg, D., and J. D'Ambrosio., "Enhanced Channel Design Version 1.0 - User Guidance Manual" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Bagley Ditch" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Honey Run" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Beem Ditch" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Heckman Creek" 2013.
Mecklenburg, D., D'Ambrosio, J., Witter, J., and A. Ward., "Building better ditches: the self-forming channel" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Clover Groff Run" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Columbia Street Ditch" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Corathers Ditch" 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Fisher Run." 2013.
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Turkey Run" 2013.
Ward, A., Witter, J., D'Ambrosio, J., Mecklenburg, D., Magner, J., and K. Wamsley., "Tri-state hydraulic geometry relationships for sizing two-stage ditches." 2013.
Ward, A.; Witter, J.; D'Ambrosio, J.; Mecklenburg, D. et al., "Tri-state hydraulic geometry relationships for sizing two-stage ditches." 2013.
Witter, J.; Mecklenburg, D.; D'Ambrosio, J., "Enhanced Channel Design Version 1.0 - User Guidance Manual" 2013.
Mecklenburg, D.; D'Ambrosio, J.; Witter, J.; Ward, A., "Building better ditches: the self-forming channel" 2013.
Witter, J.., "Planning and design guidance for two-stage and self-forming channels." 2013.
Witter, J., "Planning and design guidance for two-stage and self-forming channels." 2013.
Witter, J.; Frankenberger, J.; Wilson, B.; Magner, J. et al., "Building regional capacity to implement the two-stage ditch design concept" 2012.
Witter, J., Frankenberger, J., Wilson, B., Magner, J. and A. Ward, "Building regional capacity to implement the two-stage ditch design concept" 2012.
Witter, J., "A scientific investigation to better understand, evaluate, and predict instream processes in natural, modified, and constructed streams in Ohio" 2011.
Witter, J., "A scientific investigation to better understand, evaluate, and predict instream processes in natural, modified, and constructed streams in Ohio" 2011.
Ward, A.; Powell, G.; Jayakaran, A.; Witter, J. et al., "Selecting and sizing a two-stage channel system in an agricultural landscape" 2011.
D'Ambrosio, J., Witter, J., Ward, A. and D. Mecklenburg, "Approaches to enhancing ecosystem services in modified headwater channel systems" 2011.
Ward, A., Powell, G., Jayakaran, A., Witter, J., D'Ambrosio, J. and D. Mecklenburg, "Selecting and sizing a two-stage channel system in an agricultural landscape" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage channel case study: Creel Ditch" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage channel case study: Crommer Ditch" 2011.
D'Ambrosio, J.; Witter, J.; Ward, A.; Mecklenburg, D., "Approaches to enhancing ecosystem services in modified headwater channel systems" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage Channel case study: Davis-Freeman Ditch" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage channel case study: Klase Ditch" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage channel case study: Sugar Creek" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage channel case study: Tributary to Bull Creek" 2011.
Witter, J., D'Ambrosio, J. and A. Ward, "Two-stage channel Case study: Van Gorder Ditch" 2011.
Witter, J., D'Ambrosio, J., Magner, J.,Ward, A. and B. Wilson, "Economics of implementing two-stage channels" 2011.
Witter, J., D'Ambrosio, J., Ward, A. and D. Mecklenburg, "Two-stage channel case study: Needles Creek" 2011.
Witter, J., D'Ambrosio, J., Ward, A., Magner, J. and B. Wilson, "Considerations for implementing two-stage channels" 2011.
D'Ambrosio, J.; Witter, J.; Ward, A., "Building better ditches" 2011.
D'Ambrosio, J., Witter, J. and A. Ward, "Building better ditches" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A.; Magner, J. et al., "Considerations for implementing two-stage channels" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A.; Mecklenburg, D., "Two-stage channel case study: Needles Creek" 2011.
Witter, J.; D'Ambrosio, J.; Magner, J.; Ward, A. et al., "Economics of implementing two-stage channels" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage channel Case study: Van Gorder Ditch" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage channel case study: Tributary to Bull Creek" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage channel case study: Sugar Creek" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage channel case study: Klase Ditch" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage Channel case study: Davis-Freeman Ditch" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage channel case study: Crommer Ditch" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Two-stage channel case study: Creel Ditch" 2011.
Witter, J.; D'Ambrosio, J.; Ward, A., "Ohio EPA/The Ohio State University collaboration to enhance Ohio EPA's capability of modeling nutrients in watersheds, streams, and ditches" 2011.
Witter, J., D'Ambrosio, J. and A. Ward., "Ohio EPA/The Ohio State University collaboration to enhance Ohio EPA's capability of modeling nutrients in watersheds, streams, and ditches" 2011.
Witter, J., Mecklenburg, D., Dorsey, J., Webb, R., Brennan, A., Ward, A. and J. D'Ambrosio, "Improving land use in the Lake Erie Basin through better planning, improved regulations and stormwater modeling: Part 2 - watershed scale impacts of stormwater and stream corridor management" 2010.
Witter, J., Ward, A., D'Ambrosio, J., Draper, J., Wamsley, K. and C. Watts, "An evaluation of two-stage ditch implementation costs" 2010.
Dorsey, J., Webb, R., Witter, J., Mecklenburg, D. and A. Brennan, "Modeling the effectiveness of traditional and innovative stormwater management strategies Part 1 - development site scale" 2010.
Dorsey, J.; Webb, R.; Witter, J.; Mecklenburg, D. et al., "Modeling the effectiveness of traditional and innovative stormwater management strategies Part 1 - development site scale" 2010.
Witter, J.; Mecklenburg, D.; Dorsey, J.; Webb, R. et al., "Improving land use in the Lake Erie Basin through better planning, improved regulations and stormwater modeling: Part 2 - watershed scale impacts of stormwater and stream corridor management" 2010.
Witter, J.; Ward, A.; D'Ambrosio, J.; Draper, J. et al., "An evaluation of two-stage ditch implementation costs" 2010.
Ward, A., D'Ambrosio, J., Witter, J. and S. Kallio, "Baseline study of McKibben Ditch and Riffle Creek" 2009.
Ward, A.; D'Ambrosio, J.; Witter, J.; Kallio, S., "Baseline study of McKibben Ditch and Riffle Creek" 2009.
Ward, A., D'ambrosio, J. and J. Witter, "Determining discharge in a stream" 2008.
Ward, A.; D'Ambrosio, J.; Witter, J.; Jayakaran, A. et al., "Floodplains and streamway setbacks" 2008.
Ward, A.; D'Ambrosio, J.; Witter, J., "Channel-forming discharges" 2008.
Ward, A.; D'ambrosio, J.; Witter, J., "Determining discharge in a stream" 2008.
Ward, A., D'Ambrosio, J. and J. Witter, "Channel-forming discharges" 2008.
Ward, A., D'Ambrosio, J., Witter, J., Jayakaran, A. and D. Mecklenburg, "Floodplains and streamway setbacks" 2008.
Witter, J., "Stormwater best managment practices database" 2007.
Witter, J., "Stormwater best managment practices database" 2007.
D'Ambrosio, J., Ward, A., and J. Witter, "Olentangy River watershed Total Maximum Daily Load study" 2006.
Witter, J., Brown, L. and K. Skalak, "Section A - watershed resource inventory" 2006.
Witter, J., Brown, L. and K. Skalak, "Section B - management and action plan" 2006.
D'Ambrosio, J.; Ward, A.; Witter, J., "Olentangy River watershed Total Maximum Daily Load study" 2006.
Witter, J.; Brown, L.; Skalak, K., "Section B - management and action plan" 2006.
Witter, J.; Brown, L.; Skalak, K., "Section A - watershed resource inventory" 2006.
Magner, J., Hansen, B., Ward, A., Witter, J., D'Ambrosio, J., and D. Mecklenburg., "Guidelines for sizing southern Minnesota agricultural ditches."
Mecklenburg, D.; Witter, J.; Ward, A.; D'Ambrosio, J., "Self-forming channel case study: Clear Creek Tributary"
Mecklenburg, D., Witter, J., Ward, A., and J. D'Ambrosio., "Self-forming channel case study: Clear Creek Tributary"
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