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Conference Presentations

  1. Perez-Quesada, Gabriela, Hendricks, Nathan P., and Steward, David R., Quantifying the economic costs of High Plains Aquifer depletion, 2020 Annual Meeting, Agricultural and Applied Economics Association, Kansas City, Missouri, July 26-28 2020.
  2. Steward, David R., A study of peak groundwater depletion, and sustainable groundwater management in the Central Plains, ASCE 2019 Spring Meeting, Fargo, ND, April 25, 2019.
  3. Steward, David R., Peak groundwater depletion: Towards sustainable groundwater management, European Geosciences General Assembly 2019, Vienna, Austria, April 7-12, 2019.
  4. Steward, David R., Geoscience discovery precipitated by the Analytic Element Method, European Geosciences General Assembly 2019, Vienna, Austria, April 7-12, 2019.
  5. Steward, David R., Advancing hydrologic sciences in groundwater, vadose zone and surface water using the Analytic Element Method, American Geophysical Union 51st Annual Fall Meeting, Washington, D.C., December 10-14, 2018.
  6. Weston J. Koehn, Stacey E. Tucker-Kulesza and David R. Steward, Developing a hydrogeologic conceptualization of river-aquifer interactions with Electrical Resistivity Tomography, American Geophysical Union 51st Annual Fall Meeting, Washington, D.C., December 10-14, 2018.
  7. Ritesh Karki, Minki Hong, Joseph M. Krienert, Sama S. Memari, Joseph D. Hughes and David R. Steward, Baseflow estimation in the National Water Model, part I: Evaluating the National Water Model’s baseflow and deep percolation estimation in the Northern High Plains, American Geophysical Union 51st Annual Fall Meeting, Washington, D.C., December 10-14, 2018.
  8. Joseph M. Krienert, Minki Hong, Ritesh Karki, Sama S. Memari, Joseph D. Hughes and David R. Steward, Baseflow estimation in the National Water Model, part II: Alternative non-linear reservoir functions for improving hydrograph forecasts, American Geophysical Union 51st Annual Fall Meeting, Washington, D.C., December 10-14, 2018.
  9. Holly Hutcheson, Matthew B. Thomas, Elizabeth R. Jachens, Joseph D. Hughes and David R. Steward, Evaluating the need for two-way groundwater-surface water exchange mechanisms in the National Water Model over the Northern High Plains Aquifer, USA, American Geophysical Union 51st Annual Fall Meeting, Washington, D.C., December 10-14, 2018.
  10. Koehn, Weston, J., Sarah D. Auvenshine, Seaver L. Williams, Stacey E. Tucker-Kulesza and David R. Steward, Geophysical Methods and Landsat Satellite Imagery: Characterizing important Hydrologic Processes and Properties across the Konza Prairie, Governor’s Water and the Future of Kansas Conference, Manhattan, KS, November 8-9, 2017.
  11. Patton, Erik M., Adam, Claudia, Steward, David R. and Saugata Datta, Modeling the effect of low-permeability layers on vadose well recharge rates, Paper No. 195-5, Geological Society of America Annual Meeting, Seattle, Washington, October 22-25, 2017. doi: 10.1130/abs/2017AM-302398
  12. Collins, Theresa, CE552 Hydraulic Engineering class, and D. R. Steward, Hydraulic Engineering: Hydro pump and low-head micro turbine to engineer water power, Kansas State Undergraduate Research Poster Forum, April 27, 2017.
  13. H, V. Kulkarni, D. R. Steward, N. Mladenov, S. Datta, Reactive transport modeling of dissolved organic matter and iron in the Bengal Basin and Mahomet Bedrock Valley Aquifers, American Geophysical Union 49th Annual Fall Meeting, San Francisco, CA, December 11-16, 2016.
  14.  Koehn, Weston, J., Sarah D. Auvenshine, Vilem Ernest, and D. R. Steward, Evaluating hydrologic processes along the Arkansas River through applied hydrogeophysics and remote sensing, Governor’s Water and the Future of Kansas Conference, Manhattan, KS, November 14-15, 2016.
  15. Jureckova, Petra, CE552 Hydraulic Engineering class, and D. R. Steward, Hydraulic Engineering: Low-head micro hydro turbine for electrical power generation, Kansas State Undergraduate Research Poster Forum, April 15, 2016.
  16. Koehn, Weston J., Stacey E. Tucker-Kulesza, and David R. Steward, Hydrogeologic Characterization of Arkansas River Alluvial Deposits using Electrical Resistivity Tomography, K-State Graduate Research, Arts, and Discovery Forum, March 30, 2016.
  17. Kempin, Scott M., Sarah D. Auvenshine and D. R. Steward, Using GIS to understand groundwater processes, K-State Engineering Undergraduate Research Poster Forum, December 3, 2015.
  18. Koehn, Weston, J., Sarah D. Auvenshine, Scott Kempin, S. E. Tucker-Kulesza, and D. R. Steward, Hydrogeologic characterization of riverbeds in Western Kansas, Governor’s Water and the Future of Kansas Conference, Manhattan, KS, November 19, 2015.
  19. Kempin, Scott M., Sarah D. Auvenshine, David R. Steward, Using GIS to Understand Groundwater Processes, Kansas State Undergraduate Research Poster Forum, Manhattan, KS April 30, 2015.
  20. Auvenshin, Sarah D., Kemplin, Scott, Koehn, Weston J. and David R. Steward, Hydrogeologic properties of dry riverbeds in western Kansas, Ogallala Aquifer Program 2015 Workshop, Manhattan, Kansas, March 12-13, 2015.
  21. Steward, D. R., Overview of regional water issues, Konza CZO workshop, Konza Prairie Biological Station, September 10, 2014.
  22. László J. Kulcsár, , Joseph Aistrup, Daniel Andresen, Thomas Bulatewicz,Jeffrey Peterson, David R. Steward, Stephen M. Welch, Do people leave when the wells go dry? An interdisciplinary model of environmental change and local development, European Population Conference, Budapest, Hungary, June 25-28, 2014.
  23. László J. Kulcsár , Joseph Aistrup, Daniel Andresen, Thomas Bulatewicz,Jeffrey Peterson, David R. Steward, Stephen M. Welch, From Dust to Dust: The Unsustainability of Farming Communities in the Great Plains, IX. International Conference on Interdisciplinary Social Sciences, Vancouver, Canada, June 10-13, 2014.
  24. D. R. Steward, T. Bulatewicz, J. A. Aistrup, D. Andresen, E. A. Bernard, L. Kulcsar, J. M. Peterson, S. A. Staggenborg, and S. M. Welch, A modeling paradigm for interdisciplinary water resources modeling: Simple Script Wrappers (SSW), European Geophysical Union General Assembly, Vienna, Austria, April 27-May 2, 2014.
  25. D. R. Steward, P. J. Bruss, X. Yang, S. A. Staggenborg, S. M. Welch and M. D. Apley, A multidisciplinary analysis of groundwater declines and agricultural production in the High Plains Aquifer of Kansas: Oral presentation, European Geophysical Union General Assembly, Vienna, Austria, April 27-May 2, 2014.
  26. D. R. Steward, P. J. Bruss, X. Yang, S. A. Staggenborg, S. M. Welch and M. D. Apley, A multidisciplinary analysis of groundwater declines and agricultural production in the High Plains Aquifer of Kansas: Poster presentation, European Geophysical Union General Assembly, Vienna, Austria, April 27-May 2, 2014.
  27. M. A. Mathis II, and D. R. Steward, Artificial Storage and Recharge at Hays in Northwestern Kansas, Kansas State University’s Developing Scholars Program, 14th Annual Research Poster Symposium, Manhattan, KS, April 13, 2014.
  28. Auvenshine, S., and Steward, D. R., Recharge processes in the Ogallala Aquifer and surface water interactions, Ogallala Aquifer Program 2014 Workshop, Lubbock, Texas. March 25-26, 2014.
  29. D. R. Steward, P. J. Bruss, X. Yang, S. A. Staggenborg, S. M. Welch and M. D. Apley, Projecting Groundwater Declines and Agricultural Production through 2110 in the High Plains Aquifer of Kansas, American Geophysical Union 46th Annual Fall Meeting, San Francisco, CA, December 9-13, 2013.
  30. A. J. Allen and D. R. Steward, An Analytic Element Method Adaptation of Separation of Variables for Interconnected Rectangular Domains, American Geophysical Union 46th Annual Fall Meeting, San Francisco, CA, December 9-13, 2013.
  31. D. R. Steward, J. A. Aistrup, L. Kulcsar, J. M. Peterson, S. M. Welch, D. Andresen, E. A. Bernard, S. A. Staggenborg, and T. Bulatewicz, An OpenMI Implementation of a Water Resources System using Simple Script Wrappers, American Geophysical Union 46th Annual Fall Meeting, San Francisco, CA, December 9-13, 2013.
  32. D. R. Steward, Tapping Unsustainable Groundwater Stores for Ag Production in the High Plains Aquifer of Kansas: Projections to 2110, Governor’s Conference on the Future of Water in Kansas, Manhattan, KS, October 24-25, 2013.
  33. D. R. Steward, P. J. Bruss, X. Yang, S. A. Staggenborg, S. M. Welch, and M. D. Apley, Tapping unsustainable groundwater stores for agricultural production in the High Plains Aquifer of Kansas, projections to 2110: poster, Governor’s Conference on the Future of Water in Kansas, Manhattan, KS, October 24-25, 2013.
  34. T. Bulatewicz, D. Andresen, S. Auvenshine, J. Peterson, and D. R. Steward, A distributed data component for the Open Modeling Interface, 22nd International ACM Symposium on High Performance Parallel and Distributed Computing, New York, NY, June 17-21, 2013.
  35. Steward, D. R., Bulatewicz, T., Allen, A., Auvenshine, S., Aistrup, J., Kulcsar, L., Peterson, J. and Welch, S., Groundwater sustainability in semi-arid agricultural grasslands, MODFLOW and More 2013, Golden, CO, June 2-5, 2013
  36. Steward, D. R., The Analytic Element Method for large scale aquifer dewatering in a sloping aquifer, MODFLOW and More 2013, Golden, CO, June 2-5, 2013
  37. Steward, D. R., AEM methods for large regional model domains with sloping base, 6th International Conference on the Analytic Element Method, Colorado School of Mines, Golden, CO, May31-June 2, 2013.
  38. Steward, D. R., Integration of AEM models with societal and natural processes, 6th International Conference on the Analytic Element Method, Colorado School of Mines, Golden, CO, May31-June 2, 2013.
  39. W. L. Duren and D. R. Steward, Using algae grown in feedlot lagoon water for biodiesel, Kansas State University’s Developing Scholars Program, 13th Annual Research Poster Symposium, Manhattan, KS, April 21, 2013.
  40. M. A. Mathis II, and D. R. Steward, Reservoir water routing analysis, Kansas State University’s Developing Scholars Program, 13th Annual Research Poster Symposium, Manhattan, KS, April 21, 2013.
  41. Steward, D. R., Aistrup, J., Kulcsar, L., Peterson, J. M., Welch, S. M., Andresen, D., Bernard, E. A., Staggenborg, S. A., and T. Bulatewicz, Integrated, interdisciplinary water resources studies using the Simple Script Wrapper, Governor’s Conference on Future of Water in Kansas, Manhattan, KS, October 30-31, 2012.
  42. Allen, A. J. and D. R. Steward, The Non-Linear Response of Groundwater-Surface Water Interactions in the Ogallala Aquifer, Governor’s Conference on Future of Water in Kansas, Manhattan, KS, October 30-31, 2012.
  43. Allen, A. J. and D. R. Steward, Analytic Element Modeling of the High Plains Aquifer: Parameter estimation of groundwater-surface water interaction rates, 57th Midwest Ground Water Conference, Minneapolis, MN, October 1-3, 2012.
  44. Auvenshine, S. D. and D. R. Steward, Identifying controls on infiltration capacity to predict recharge, 57th Midwest Ground Water Conference, Minneapolis, MN, October 1-3, 2012.
  45. Bulatewicz, T., Allen, A. J., Peterson, J. M., Staggenborg, S. A., Welch, S. M. and D.  R. Steward, The Simple Script Wrapper for OpenMI: Enabling interdisciplinary water studies, 57th Midwest Ground Water Conference, Minneapolis, MN, October 1-3, 2012.
  46. Brace, E. C. and D. R. Steward, Water and food: The effects of the decrease in water supplies on agriculture, Kansas State University’s Developing Scholars Program, 12th Annual Research Poster Symposium, Manhattan, KS, April 22, 2012.
  47. W. L. Duren and D. R. Steward, The future of algae, Kansas State University’s Developing Scholars Program, 12th Annual Research Poster Symposium, Manhattan, KS, April 22, 2012.
  48. Steward, D. R., Ecosystem management of water resources, Global Aspects of Biobased Products and Bioengineering, A Sustainability Seminar, Manhattan, KS, January 9-11, 2011.
  49. Auvenshine, S. D. and Steward, D. R., Hill slope scale model of the vadose zone at Konza Prairie, 2011 GSA Annual Meeting, Paper 26-15, Minneapolis, October 9-12, 2011.
  50. Steward, D. R., The interdisciplinary study of groundwater, it’s use by society, and it’s interactions with nature using the Open Modeling Interface (OpenMI), 2011 GSA Annual Meeting, Paper 26-20, Minneapolis, October 9-12, 2011.
  51. Allen, A. J. and Steward, D. R., Analytic Element Modeling of a sloping base aquifer: Non-linear model optimization using a Levenberg-Marquardt algorithm, 2011 GSA Annual Meeting, Paper 26-22, Minneapolis, October 9-12, 2011.
  52. Steward, D. R., Putting the local detail of a phreatophyte’s groundwater uptake into a regional context using the Analytic Element Method, 2011 GSA Annual Meeting, Paper 83-4, Minneapolis, October 9-12, 2011.
  53. Steward, D. R., Recent research on the Ogallala Aquifer, 28h Annual Water and the Future of Kansas Conference, Topeka, KS., September 30, 2011.
  54. Allen, A. and Steward, D. R., A study to identify groundwater to surface water interaction in the Ogallala Aquifer, 28h Annual Water and the Future of Kansas Conference, Topeka, KS., September 30, 2011.
  55. Auvenshine, S., and Steward, D. R., A new method to characterize the spatial variability of infiltration in the field, 28h Annual Water and the Future of Kansas Conference, Topeka, KS., September 30, 2011.
  56. Steward, D. R., Forecasting tools in water resources to ground public policy and management debates in sound scientific methods, IUGG2011, Melbourne, Australia, June 24 – July 7, 2011.
  57. Allen, A. and Steward, D. R., Regional modelling with local detail in the Ogallala Aquifer: Comparison of MODFLOW and a sloping base model, IUGG2011, Melbourne, Australia, June 24 – July 7, 2011.
  58. Steward, D. R., A mathematical model of groundwater uptake by phreatophytes and its computer implementation within a regional groundwater model using the Analytic Element Method, IUGG2011, Melbourne, Australia, June 24 – July 7, 2011.
  59. Joseph Aistrup, Laszlo Kulcsar, Jeff Peterson, Stephen Welch, Eric Bernard, Sarah Beach, Jacob Mauslein, Melissa Wilson and David Steward, Hyper-Extractive Economies in the US: A Multi-Dimensional Analysis, Paper presented at the Rural Sociology Conference, Boise, ID, July 20-22, 2011.
  60. Steward, D. R., Aistrup, J., Andresen, D., Bernard, E. A., Bulatewicz, T., Kulcsar, L. J., Peterson, J. M., Staggenborg, S. A. and Welch, S. M. A comprehensive crop modeling geohydrolic framework to study the consequences of management practices. In Welch, S. M. ed. Proceedings of the 41st Biological Systems Simulation Conference. Austin, TX, April 19-21, 2011.
  61. Steward, D. R., Integration of climate models with hydrologic and crop models to forecast change, Ogallala Aquifer Initiative, Lubbock, TX, March 8-9, 2011.
  62. Steward, D. R., Interdisciplinary Hydrologic Models: Precipitation to Recharge, Irrigation to Crop Yield, Water-Use to Feedstock’s, 19th Annual Kansas Hydrology Seminar, Topeka, KS, November 19, 2010.
  63. Bruss, Paul J., Steward , D. R., Trends in groundwater use in the Ogallala region of Kansas, 27h Annual Water and the Future of Kansas Conference, Topeka, KS., October 26, 2010.
  64. Steward, D. R., A systemic framework to support groundwater development within economic reality, 2010 Ground Water Summit, National Ground Water Association, Denver, CO, April 11-15, 2010.
  65. Bruss, P. J., and Steward, D. R., Use of water resources and its transportation in the Central Plains, 2009 Kansas Statewide EPSCoR Conference, Manhattan, KS, October 6, 2009.
  66. Msava, P. G. and Steward, D. R., Groundwater elevation estimation model in the sloping Ogallala Aquifer, 2009 Kansas Statewide EPSCoR Conference, Manhattan, KS, October 6, 2009.
  67. 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.
  68. 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.
  69. 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.
  70. 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.
  71. 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.
  72. Steward, D. R., Groundwater ecohydrology: phreatophyte root uptake of groundwater, American Geophysical Union General Assembly, San Francisco, CA, December 15-19, 2008.
  73. Steward, D. R., Recent groundwater studies and their significance in Kansas, 17th Annual Kansas Hydrology Seminar, Topeka, KS, November 21, 2008.
  74. 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.
  75. 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.
  76. 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.
  77. 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.
  78. Chandler, D. G., Yang, X., Steward, D. R. and Gido, K., Inference of stream network fragmentation patterns from groundwater - surface water interactions on the High Plains Aquifer, American Geophysical Union Fall Meeting, San Francisco, CA, December 10-14, 2007.
  79. 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.
  80. 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.
  81. 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.
  82. 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.
  83. 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.
  84. 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.
  85. Steward, D. R., Science to aid policy makers, communities and land owners-managers, NSF EPSCoR Annual Meeting, Washington, D. C., March 5-7, 2007.
  86. 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.
  87. 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.
  88. 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.
  89. 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.
  90. 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.
  91. 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.
  92. 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.
  93. 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.
  94. 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.
  95. 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.
  96. 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.
  97. Steward, D. R., The synergy of vector based groundwater models and GIS geodatabase models, CUAHSI Hydrologic Information System Symposium, Austin, Texas, (available online at www.crwr.utexas.edu/cuahsi/symposium05/Presentations/two/three/steward_gw_modeling.ppt), March 7-9, 2005.
  98. 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.
  99. 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.
  100. 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.
  101. 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.
  102. 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.
  103. 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.
  104. 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.
  105. 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.
  106. 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.
  107. 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.
  108. 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.
  109. Steward, D. R. and Bernard, E. A., Research on groundwater based economies, Kansas Statewide EPSCoR Conference, University of Kansas, Lawrence, KS, April 8, 2003.
  110. 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.
  111. 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.
  112.  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.
  113. 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.
  114. 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.
  115. 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.
  116. 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.
  117. 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.
  118. Steward, D. R., Three-dimensional analytic models of groundwater flow, European Geophysical Society, XXVI General Assembly, Nice, France, March 25-30, 2001.
  119. 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.
  120. 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.
  121.  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.
  122. 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.
  123. Steward, D. R., The geometry of stream surfaces in divergence-free flow, American Geophysical Union, Spring 2000 Meeting, Washington, D.C., June 1, 2000.
  124. 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.
  125. 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.
  126. 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.
  127. 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.
  128. Steward, D. R., Recent developments in modeling subsurface flow, 8th Annual Kansas Hydrology Seminar, November 19, 1999.
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