Conference Presentations

Steward, D. R., Yang, X. and de Lange, W. J., Bridging the divides across groundwater modeling communities through a new object-oriented groundwater data model, National Ground Water Association Summit, Tucson, AZ, April 19-23, 2009.
Steward, D. R., Water resources study of the Okavango Delta, Botswana using recent modeling tools and GIS technology, African Issues Symposium, Kansas State University, March 30-April 1, 2009.
Bulatewicz, T., Yang, X., Peterson, J. M., Staggenborg, S., Steward, D. R. and Welch, S. M., Integration of agriculture, groundwater and economic models using the Open Modeling Interface (OpenMI): Application to the Ogallala Aquifer, AgSAP (Integrated Assesment of Agriculture and Sustainable Development) Conference 2009, Egmond aan Zee, The Netherlands, March 10-12, 2009.
Steward, D. R., Yang, X. and de Lange, W. J., Groundwater concepts and agriculture: A GIScience data model study, AgSAP (Integrated Assesment of Agriculture and Sustainable Development) Conference 2009, Egmond aan Zee, The Netherlands, March 10-12, 2009.
Steward, D. R., Yang, X. and Bulatewicz, T., NSF EPSCoR Hydrology Advancements: GIS, Distributed Computing and Implications within Kansas and Internationally, KS NSF EPSCoR Annual Symposium, Lawrence, KS, February 20, 2009.
Steward, D. R., Groundwater ecohydrology: phreatophyte root uptake of groundwater, American Geophysical Union General Assembly, San Francisco, CA, December 15-19, 2008.
Steward, D. R., Recent groundwater studies and their significance in Kansas, 17th Annual Kansas Hydrology Seminar, Topeka, KS, November 21, 2008.
Steward, D. R., Interdisciplinary water resources and ecohydrology research and education in the Central Plains, EPSCoR Water Dynamics Workshop, Burlington, VT, November 9-12, 2008.
Steward, D. R., Bernard, E. A., Kulcsar, L. J., Peterson, J. M. and Welch, S. M., Science and engineering to support societal water-use planning using computational tools and GIScience data, EGU General Asembly 2008, Vienna, April 13-18, 2008.
Yang, X. and Steward, D. R., Application of a conceptual groundwater data model with MODFLOW to study the Arkansas River Corridor, Kansas, 25h Annual Water and the Future of Kansas Conference, Topeka, KS., March 25 2008.
Ahring, T.,Steward, D. R. and Yang, X. Estimating future riparian forest distributions through analytic computer modeling, 25h Annual Water and the Future of Kansas Conference, Topeka, KS., March 25 2008.
Steward, D. R., Bernard, E. A., Kulcsar, L. J., Peterson, J. M. and Welch, S. M., Ecoforecasting: Water Resources and GIS, Kansas Association of Mappers, 22nd Annual Conference, Manhattan, KS, Sept. 23-26, 2007.
Lauwo, S. and Steward, D. R., Coupling crop and hydrologic model for decision support in the High Plain Aquifer, KS NSF EPSCoR Annual Meeting, Manhattan, KS, April 21, 2007.
Bulatewicz, T., Peterson, J. M., Steward, D. R., Bernard, E. A., Andresen, D. and Welch, S. M., Exploring ecological change in a virtual landscape, KS NSF EPSCoR Annual Meeting, Manhattan, KS, April 21, 2007.
Aguilar, J., Chandler, D. G., Koelliker, J. K., Steward, D. R., Walks, D., and Yang, X., Changing sources, sinks and ground water -surface water interactions in the Upper Smoky Hills watershed: A history of stream network and refugia fragmentation, KS NSF EPSCoR Annual Meeting, Manhattan, KS, April 21, 2007.
Chacon, S. and Steward, D. R., Predicting groundwater elevation based on water use in a sloping aquifer, 24th Annual Water and the Future of Kansas Conference, 8, Topeka, KS., March 15, 2007.
Yang, X. and Steward, D. R., Application of Groundwater Geodatabase in Central High Plains Regions, 24th Annual Water and the Future of Kansas Conference, 2-3, Topeka, KS., March 15, 2007.
Steward, D. R., Science to aid policy makers, communities and land owners-managers, NSF EPSCoR Annual Meeting, Washington, D. C., March 5-7, 2007.
Steward, D. R. and Chacon, S., Modeling groundwater flow in a sloping aquifer using an AEM stepping model, 5th International Conference on the Analytic Element Method, Manhattan, KS, May 14-17, 2006.
Yang, X. and Steward, D. R., Creation of an Arc Hydro groundwater geodatabases and its linkage with AEM, 5th International Conference on the Analytic Element Method, Manhattan, KS, May 14-17, 2006.
Bernard, E. A., Steward, D. R., AEM integration in a geodatabases for groundwater modeling, 5th International Conference on the Analytic Element Method, Manhattan, KS, May 14-17, 2006.
Jin, W., Staggenborg, S., Lauwo, S., Miller, M., Das, S., Andresen, D., Peterson, J., Steward, D., Welch, S.M., Applying a crop simulator (EPIC) in the AEM context, 5th International Conference on the Analytic Element Method, Manhattan, KS, May 14-17, 2006.
Peterson, J. M and Steward, D. R., Groundwater economics: object oriented, integrated studies using the AEM, 5th International Conference on the Analytic Element Method, Manhattan, KS, May 14-17, 2006.
Cook, Z., Lauwo, S. Y. and Steward, D. R., Engineering pathways towards acceptable solutions in water resources management using GIScience, 23rd Annual Water and the Future of Kansas Conference, Topeka, KS., March 16, 2004.
Steward, D. R. and Bernard, E. A., Community Geographic Information Science to understand and manage our water resources, 23rd Annual Water and the Future of Kansas Conference, Topeka, KS., March 16, 2004.
Steichen, M.E., Bhandari, A., Hutchinson, S.L., Reddi, L.N., Steward, D.R., and Erickson, L.E. Improving interdisciplinary geoenvironmental engineering education through empowerment evaluation. Evaluation 2005 Conference: Crossing Borders, Crossing Boundaries, Canadian Evaluation Society and the American Evaluation Association, Toronto, Canada. October 24-30, 2005.
Bernard, E. A., Steward, D. R., and Le Grand, P., A Geodatabase for Groundwater Modeling in MLAEM and MODFLOW, ESRI International User Conference 2005, San Diego, CA, July 25–29, 2005.
Bhandari, A., Reddi, L. N., Steward, D. R., Erickson, L. E. and Hutchinson, S. L., Development of a Geoenvironmental Engineering Certificate Program at Kansas State University, 2005 AEESP Research and Education Conference, Potsdam, NY, July 23-27, 2005.
Steward, D. R., Le Grand, P., and Bernard, E., The Analytic Element Method and supporting GIS geodatabase model, Boundary Elements 27: 27th World Conference on BEM/MRM, Orlando, FL, March 15-17, 2005.
Steward, D. R., The synergy of vector based groundwater models and GIS geodatabase models, CUAHSI Hydrologic Information System Symposium, Austin, Texas, (available online at http://www.crwr.utexas.edu/cuahsi/symposium05/Presentations/two/three/steward_gw_modeling.ppt), March 7-9, 2005.
Steward, D. R., Groundwater data, modeling and management in Kansas, Proceedings, 2004 High Plains Groundwater Resources: Challenges and Opportunities, Lubbock, TX, December 7-9, 2004.
Bernard, E. A., Peterson, J. M. and Steward, D. R., A coupled hydrologic-economic modeling tool to support groundwater management decisions, 2004 High Plains Groundwater Resources: Challenges and Opportunities, Lubbock, TX, December 7-9, 2004.
Steward, D. R., Herrera, M. and Peterson, J. M., Integrated groundwater economic studies in Sheridan County, Kansas, 13th Annual Kansas Hydrology Seminar, Topeka, KS, November 19, 2004.
Steward, D. R., Bernard, E. A., Bloomquist, L. E., Ham, J. M., Kluitenberg, G. J., Oviatt, C. G., Peterson, J. M., Reddi, L. N. and Welch, S. M., High Plains Aquifer Hydrologic Observatory, Designing Hydrologic Observatories as a Community Resource: A CUAHSI National Workshop, Logan, Utah, August 24-25, 2004.
Steward, D. R., Near Surface Geophysical Support of Water System Understanding in the Ogallala Aquifer, 2004 Joint Assembly (Canadian Geophysical Union/American Geophysical Union), Montreal, Quebec, Canada, May 17-21, 2004.
Bhandari A., Reddi, L. N., Erickson, L. E., Hutchinson, S. L. and Steward, D. R., Research-Integrated Curriculum in Geoenvironmental Engineering, 2004 American Society for Engineering Education Annual Conference & Exposition,Salt Lake City, Utah, June 20-23, 2004.
Jin, W. and Steward, D. R., Understanding GIS groundwater elevation data trends using transient groundwater models, 21st Annual Water and the Future of Kansas Conference, Lawrence, KS., March 11, 2004.
Herrera, M. and Steward, D. R., Modeling groundwater flow and economics in Sheridan County, Kansas, 21st Annual Water and the Future of Kansas Conference, Lawrence, KS., March 11, 2004.
Steward, D. R., Mainstreaming the Analytic Element Method through GIS technology, 4th International Conference on the Analytic Element Method, Saint-Etienne, France, November 19-21, 2003.
Reddi, L. N., Bhandari, A., Erickson, L. E., Hutchinson, S. L. and Steward, D. R., Combined Research and Curriculum Development (CRCD) in Geoenvironmental Engineering, NSF Engineering Grantees Meeting, Washington, D.C., September 21-23, 2003.
Steward, D. R. and Bernard, E. A., Understanding Integrated Processes through Groundwater Models and GIS Technology, MODFLOW and MORE 2003: Understanding through Modeling, September 17-19, 2003.
Steward, D. R. and Bernard, E. A., Research on Groundwater Based Economies, Kansas Statewide EPSCoR Conference, University of Kansas, Lawrence, KS, April 8, 2003.
Jin, W. and Steward, D. R., Understanding aquifer depletion through analysis of evolving stagnation points, 20th Annual Water and the Future of Kansas Conference, Manhattan, KS, March 11, 2003.
Steward, D. R., Bernard, E. A., Bloomquist, L. E., Oviatt, C. G., Peterson, J. M. and Welch, S. M., Research on Groundwater Based Economies, 20th Annual Water and the Future of Kansas Conference, Manhattan, KS, March 11, 2003.
Peterson, J. and Steward, D. R., Modeling coupled hydrologic and economic processes in the High Plains, 20th Annual Water and the Future of Kansas Conference, Manhattan, KS, March 11, 2003.
Mao, D. and Steward, D. R., Modeling groundwater movement in a Sheridan County Area using ArcGIS and MLAEM, 20th Annual Water and the Future of Kansas Conference, Manhattan, KS, March 11, 2003.
Steward, D. R., Discharge through surfaces in three-dimensional flow fields using a vector potential, American Geophysical Union 2002 Spring Meeting, Washington, D.C., May 28-31, 2002.
Jin, W. and Steward, D. R., Identifying the source of groundwater for wells pumping with transient and steady pumping rates, 19th Annual Water and the Future of Kansas Conference, Lawrence, KS, March 5, 2002.
Steward, D. R., Bernard, E. A., Oviatt, J. and Peterson, J. M., The hydrologic and socioeconomic impacts of groundwater management strategies addressing sustained groundwater decline in the High Plains Aquifer, 19th Annual Water and the Future of Kansas Conference, Lawrence, KS, March 5, 2002.
Steward, D. R., A Coupled Hydrologic-Economic Modeling Tool With GIS Support for Ground Water Management, 10th Annual Kansas Hydrology Seminar, Topeka, KS, November 16, 2001.
Steward, D. R., Three-dimensional analytic models of groundwater flow, European Geophysical Society, XXVI General Assembly, Nice, France, March 25-30, 2001.
Mollah, R. and Steward, D. R., Modeling seepage from surface water to groundwater through layered soils, 18th Annual Water and the Future of Kansas Conference, Manhattan, KS, March 13, 2001.
Jin, W. and Steward, D. R., Minimum pumping rates of horizontal wells, 18th Annual Water and the Future of Kansas Conference, Manhattan, KS, March 13, 2001.
Jankovic, I., Barnes, R. J. and Steward, D. R., Transverse dispersion by advective mixing, American Geophysical Union, Fall 2000 Meeting, San Francisco, CA, December 17, 2000.
Steward, D. R. and Jin, W., Accurately mapping and interpreting flow near a horizontal well using 3DFlow, 9th Annual Kansas Hydrology Seminar, , November 17, 2000.
Steward, D. R., The geometry of stream surfaces in divergence-free flow, American Geophysical Union, Spring 2000 Meeting, Washington, D.C., June 1, 2000.
Mollah, R. and Steward, D. R., Simulating the interchange between surface water and groundwater through the unsaturated zone using a one-dimensional, steady model, 3rd International Conference on the Analytic Element Method in modeling groundwater flow, Brainerd, MN, April 16-19, 2000.
Jin, W. and Steward, D. R., Gaining and losing sections of horizontal wells, 3rd International Conference on the Analytic Element Method in modeling groundwater flow, Brainerd, MN, April 16-19, 2000.
Jankovic, I., Barnes, R. J. and Steward, D. R., Advective mixing, 3rd International Conference on the Analytic Element Method in modeling groundwater flow, Brainerd, MN, April 16-19, 2000.
Steward, D. R., The geometry of stream surfaces in divergence-free flow, 3rd International Conference on the Analytic Element Method in modeling groundwater flow, Brainerd, MN, April 16-19, 2000.
Steward, D. R., Recent Developments in Modeling Subsurface Flow, 8th Annual Kansas Hydrology Seminar, November 19, 1999.
Steward, D. R., Analysis of Horizontal Wells for Pump-and-Treat Remediation, 1999 Conference on Hazardous Waste Research, St. Louis, MO, May 25-27, 1999.
Steward, D. R., Three-dimensional analysis of the capture of a contaminated leachate by wells, American Geophysical Union, 1998 Fall Meeting, San Francisco, CA.
Steward, D. R., Three-dimensional analysis of the capture of a contaminated leachate by wells, 43rd Midwest Groundwater Conference, Lawrence, KS, Fall 1998.