Peer Reviewed

Knappenberger, T., A.D. Jayakaran, J.D. Stark, C.H. Hinman. Monitoring Stormwater Infiltration and Outflow of Permeable Pavement Parking Lot Cells. Journal of Irrigation and Drainage
Poncet, A.M., J.P. Fulton, T.P. McDonald, T.P. Bridges, T. Knappenberger. Influence of Soil Properties, Row-Crop Planter Depth and Spring Load Settings on Gauge-Wheel Load and Seeding Depth. ASABE (in review)
Radcliffe, D.E., T. Knappenberger, and A.L.M. Daigh. 2016: Using Khan Academy Videos in Flipped Classroom Mode to Bolster Calculus Skills in Soil Physics Courses. Natural Sciences Education 45, doi:10.4195/nse2016.04.0008
Knappenberger, T., S. Aramrak, and M. Flury. 2015: Transport of Barrel and Spherical Shaped Colloids in Unsaturated Porous Media. Journal of Contaminant H ydrology 180, 69–79
Knappenberger, T., M. Flury, E.D. Mattson, and J.B. Harsh. 2014: Does Water Content or Flow Rate Control Colloid Transport in Unsaturated Porous Media? Environmental Science and Technology 48(7),3791–3799
Singh, P., H. Abdou, M. Flury, W. Schillinger, and T. Knappenberger. 2013: Critical water potentials for germination of wheat cultivars in the dryland northwest USA. S eed Science R esearch 23, 189–198.
Knappenberger, T., and K. Köller. 2012: Spatial assessment of the influence of seeding depth and apparent soil electrical conductivity on emergence and yield of corn. Journal of Precision Agriculture 13, 163–180.
Knappenberger, T., and K. Köller. 2005: Opportunities and challenges of a real-time control of seeding depth. Agrartechnische Forschung 11, 49–52. (in German)

Other Publications and Thesis

Knappenberger, T. 2015: Teaching: The Other Part of a Faculty Position. Crops, Soils, Agronomy N ews 60 (9), 42–43
Knappenberger, T. 2009: The influence of seeding depth on emergence and yield of corn. PhD-thesis, University of Hohenheim, Germany. (in German)
Knappenberger, T., M. Ströbel, and K. Köller, K. 2007: Software for experimental design. Landtechnik 62, 152–153. (in German)
Knappenberger, T. 2006: The quality of seedbed preparation depending on the soil water content. Landtechnik 61, 306–307. (in German)
Jantschke, C., T. Knappenberger, and K. Köller. 2005: The soil moisture measuring value. Landtechnik 60, 134–135. (in German)
Knappenberger, T. 2003: Design of a development system for autonomous control of a farm tractor using CASE tools.
Master-Thesis, University of Hohenheim, Germany. (in German)

Conference Presentations

Jayakaran, A. D., T. Knappenberger, J. D. Stark. 2016. Rain Garden Mesocosm and Permeable Pavement Performance in Western Washington. AEES annual meeting, Knoxville, Tennessee, USA. (oral presentation)
Jayakaran, A. D., J. K. McIntyre, T. Knappenberger, J. D. Stark and A. Copado. 2016. Research and Outreach at the Washington Stormwater Center. Invited Keynote Speaker – 2016 EPA Region 6 Stormwater Workshop. Oklahoma City, OK. (oral presentation)
Knappenberger, T., J.B. Stark. 2015: Stormwater Nutrient Reduction in Bioretention Cells. ASA, CSSA, and SSSA Annual Meetings, Minneapolis, Minnesota, USA. (oral presentation)
Fulton, J.P., A. Poncet, T.P. McDonald, T. Knappenberger, J. Shaw, K. Balkcom and R. Bridges. 2015. Considerations for Site-specific Implementation of Active Downforce and Seeding Depth Technologies on Row-crop Planters. In Proceedings of the 73rd Conference LAND.TECHNIK – AgEng 2015, Hannover, Germany. November 6-7. 2251(2015): 139-145. (oral presentation)
Czigany, S., P. Hegedius,T. Knappenberger, M. Flury. 2014: Hydraulic Properties of Bioretention Mixes. ASA, CSSA, and SSSA Annual Meetings, Long Beach, California, USA. (poster presentation)
Knappenberger, T. 2014: Filtration of Stormwater Contaminants in Bioretention Cells. SSSA Onsite Wastewater Conference, Albuquerque, New Mexico, USA. (oral presentation)
Knappenberger, T., M. Flury, E.D. Mattson, J.B. Harsh. 2013: Impact of water content and pore water velocity on transport of colloids in unsaturated porous media. ASA, CSSA, and SSSA Annual Meetings, Tampa, Florida, USA. (oral presentation)
Knappenberger, T., M. Flury, E.D. Mattson, J.B. Harsh, F. Zang, G. Gee, and P. Lichtner. 2012: Identifying the role of flow rate and water content in colloid transport in unsaturated porous media. In: Geophysical Research Abstracts Vol. 14, EGU2012-524. (oral presentation)
Knappenberger, T., M. Flury, E.D. Mattson, J.B. Harsh, F. Zang, G. Gee, and P. Lichtner. 2011: Using a Geocentrifuge to Study Colloid Transport in Unsaturated Porous Media. ASA, CSSA, and SSSA Annual Meetings, San Antonio, Texas, USA. (poster presentation)
Knappenberger, T., and K. Köller. 2008: Simulation of germination and emergence of corn to gain information for sitespecific drilling. In: Proceedings of the 7th International Symposium Prospects for the 3rd Millenium Agriculture, Cluj, Romania, 147–152. (oral presentation)
Knappenberger, T., and K. Köller. 2007: The dynamic variation of seeding depth of corn based on the soil water content. In: Poster Paper Proceedings of the 6th European Conference on Precision Agriculture, Skiathos, Greece. (poster presentation)
Knappenberger, T., and K. Köller. 2006: The dynamic variation of seeding depth of corn. In: Proceedings of the 8th International Conference on Precision Agriculture, Minneapolis, USA. (oral presentation)
Knappenberger, T., and K. Köller. 2005: The dynamic variation of seeding depth of corn. In: Agricultural Engineering, High tech for a sustainable agriculture, VDI-Meeting, Hannover, Germany, 435–440. (oral presentation)
Knappenberger, T., and K. Köller. 2005: Sitespecific variation of seeding depth of corn. In: Poster Paper Proceedings of the 5th European Conference on Precision Agriculture, Uppsala, Sweden. (poster presentation)
Knappenberger, T., C. Jantschke, and K. Köller. 2005: Dynamic measurement of soil moisture and it’s application in seeding. In: Workshop Precision Farming, Sensing and Robotics in Precision Farming, Renningen, Germany, 18–21. (oral presentation)