Former Graduate Students

John F. McBride
M.S. in soil physics and water resources, 1985: Measured and predicted anion movement.
John continued for a Ph.D. at the University of North Carolina, and now works as an environmental consultant in the Chicago area.
William M. Klittich
M.S. in soil physics, 1985: Spatial analysis of soil temperature observations. Bill continued for a Ph.D. at Kansas State University, and now lives in Ohio.
James M. Hamlett
Ph.D. in soil physics and agricultural engineering, 1987: Nitrate movement under a ridge configuration: A field and model investigation.
He is an Associate Professor at Penn State University. He received the Outstanding Teaching Award from the Penn State Engineering Society.
Ibrahim N. Nassar
Ph.D. in soil physics, 1988: Soil thermal diffusivity and water transport in unsaturated, non-isothermal, salty soil.
Post-Doc, 1991: Studied simultaneous heat, water, and chemical transport in soil. Ib is a Professor at the University of Alexandria in Egypt. He received the Outstanding Research Award from the University of Alexandria.
Gerard J. Kluitenberg
Ph.D. in soil physics, 1989: Preferential solute transport in soil laboratory and field studies.
Gerard is a Professor at Kansas State University. He is a Fellow of the Soil Science Society of America (SSSA). He has served as Chair of the soil physics division of SSSA. He has served as Graduate Student Coordinator for the Agronomy Dept at KSU.
Masaaki Kiuchi
Ph.D. in soil physics, 1991: Using subsurface flow barriers to reduce nitrate leaching.
He is a Hydrologist for the South Carolina Department of Natural Resources.
M. Zaki Mousli
Ph.D. in soil physics, 1993: Interrelationships among water, air, and chemical transport properties in soil.
Zak is a Crop Specialist for the Santa Clara Valley Water District, California.
Jamie D. Green
M.S. in water resources, 1993: Crop residue effects on the leaching of surface-applied chemicals. Jamie is a Project Officer for the U.S. Environmental Protection Agency.
Daniel E. Ressler
M.S. in water resources, 1993: Evaluation of horizontal wells for ground water and solute recovery. Ph.D. in soil physics, 1998: Localized soil compaction and soil doming of the fertilizer injection zone to control nitrate leaching.
Dan is an Associate Professor and Head of Department at Susquehanna University in Pennsylvania.
James R. Bilskie
Ph.D. in soil physics, 1994: Dual probe methods for determining soil thermal properties: Numerical and laboratory studies.
In 2010, Jim Bilskie founded Bilskie Environmental Consulting, LLC, in Salt Lake City, UT.
Mingan Shao
Ph.D. in soil physics, 1996: Heat, water, and chemical transport in soils. Post-Doc, 2000: Studied water and chemical movement in soils.
Mingan is Director and Professor of the Chinese Academy of Sciences National Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau in Yangling, Shaanxi Province, China. He has been awarded numerous national research awards in China. He is the Chair of the soil physics division of the Chinese Soil Science Society.
Francis X. Casey
M.S. in soil physics, 1996: Determining solute transport parameters in field soil. Ph.D. in soil physics and water resources, 2000: Field and laboratory investigations of solute transport through soil.
Frank is a Professor of Soil Science, and Director of the School of Natural Resource Sciences at North Dakota State University. He received the Outstanding Young Soil Physics Award from the Soil Science Society of America. He received an Excellence in Research Award from North Dakota State University.
Ibrahim Al-Salamah
M.S. in water resources, 1998: Effect of surface mulch on evaporation and salinity management. Ibrahim completed his Ph.D. at Iowa State University and works as Professor of Civil Engineering in Saudi Arabia.
Fulin Shen
Ph.D. in soil science, 1999: Estimation of soil water content and resident and effluent solute concentrations using time domain reflectometry. Fulin is a Senior Software Engineer at Quorum IRB in Oregon.
Jaehoon Lee
Ph.D. in water resources, 1999: Characterization of preferential solute transport in soil. Post-Doc, 2001: Studied organic pollutant transport in soil.
Jaehoon is an Associate Professor at the University of Tennessee, Knoxville
Salem Al-Jabri
Ph.D. in water resources, 2001: Field estimation of soil hydraulic and chemical transport properties. Salem is an Assistant Dean and Professor at Sultan Qaboos University in Muskat, Oman.
Tyson Ochsner
M.S. in soil physics and water resources, 2000: Thermo-TDR measurements of thermal properties and volume fractions of water, solids, and air in soil.
Ph.D. in soil physics, 2003: Heat pulse measurement techniques for soil water flux, soil water content and soil volumetric heat capacity.
Tyson worked for several years as a USDA scientist in St. Paul, and is now an Assistant Professor at Oklahoma State University.
Anju Gaur
Ph.D. in water resources and agricultural engineering, 2004: Using surface solute transport properties measured by time domain reflectometry to predict subsurface leaching.
Post-Doc (2004) :Studied tillage effects on surface solute transport properties.
Anju worked for several years as a Research Scientist with the International Water Management Institute (IWMI) in Hyderabad, India. She currently works as a Water Resource Specialist and Team Leader for the World Bank in New Delhi, India.
Joshua Heitman
Ph.D. in soil physics, 2007: Measurement of coupled soil heat and water movement. Josh is an Assistant Professor at North Carolina State University.
Heath Gieselman
M.S. in Geology and Environmental Science, 2007: Effect of a subsurface hydrophobic layer on water flow to a freezing front. Heath farms in North-east Iowa.
Daniel Andersen
Ph.D in Agricultural engineering and water resources, 2012. Dan is an Assistant Professor in Agricultural and Biosystems Engineering at Iowa State University.
Dedrick Davis
Ph.D. in soil science and environmental science, 2012: Coupled heat, water, and solute transfer dynamics in wettable and non-wettable soils. Dedrick is an Assistant Professor at Alabama A&M University.
Jacob Prater
Ph.D. in soil science and environmental science, 2012: The impacts of colloidal material on the fate and transport of 17 beta-estradiol in three Iowa soils.
Jacob is an Assistant Professor in Soil and Waste Resources in the College of Natural Resources at University of Wisconsin, Stevens Point.
Xinhua Xiao
Ph.D. in soil science, 2012: Heat transfer, evaporation and carbon dioxide transfer in soil. Xinhua is currently a post-doc with Josh Heitmanís group in North Carolina.
Aaron Daigh
Ph.D. in soil science and environmental science, 2013: Soil physical properties, soil carbon dioxide fluxes, and soil drainage dynamics of select bioenergy cropping systems. Aaron is an Assistant Professor at North Dakota State University.
Sitha Ketpratoom
M.S. in soil science, 2014: Soil hydraulic conductivity in a non-wheel traffic corn row, a wheel traffic corn row, and a reconstructed prairieM

Former Post-Doctoral Researchers and Visiting Scientists

Sang-Ok Chung
1986: Studied partial mulch effects on soil heat and water transfer.
He is a Professor at Kyungpook National University in South Korea.
Mushtaque Ahmed
1989: Studied unsaturated hydraulic conductivity as measured with a tension infiltrometer.
He is the director of CESAR (Center for Environmental Studies & Research) at Sultan Qaboos University, Oman.
Joe Benjamin
1991: Studied preferential flow of water and chemicals.
Joe is a Research Soil Scientist for USDA-ARS in Colorado.
Binayak Mohanty
1993: Studied spatial variability of soil physical properties.
Binayak is a Professor at Texas A & M University.
Robert Ewing
1995: Studied soil cracking and modeling of fracture flow.
Toby is an Assistant Scientist at Iowa State University.
Tusheng Ren
1997: Studied soil heat transfer with a thermo-TDR probe.
2004: Studied coupled heat and water flow in soil.
Tusheng is a Professor at China Agricultural University, Beijing.
Kosuke Noborio
1997: Studied soil heat, water, and chemical transfer.
Kosuke is a Professor at Meiji University in Japan.
Victor Ella
1999: Studied swine manure transport in soil.
Victor is a Professor and Department Chair at the University of Philippines.
Hadi Tabbara
2000: Studied phosphorus transport in structured soil. Hadi works in California.
Quanjiu Wang
2001: Studied soil water flow and mathematics of heat flow.
Quanjiu is a Professor and Associate Dean at Xiían Technological University, Shaanxi Province, China.
Jian Zhou
2005: Studied soil heat transfer. Dr. Zhou works in Canada.
Baichun Wang
2007: Studied biochar
Yi Li
2008: Studied evaporation and evapotranspiration.
Dr. Li is a Professor at Northwest China Agricultural and Forestry University in Yangling, Shaanxi Province, China.
Jinghui Xu
2011: Studied thermo-FDR sensors