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United States Department of Agriculture

Agricultural Research Service

SCOTT ALAN. BRADFORD

Soil Scientist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Release of E.coli D21g with transients in water content - (Peer Reviewed Journal)
Wang, Y., Bradford, S.A., Simunek, J. 2014. Release of E.coli D21g with transients in water content. Journal of Environmental Science and Technology. 48:9349-9357.
An explanation for differences in the process of colloid adsorption in batch and column studies - (Peer Reviewed Journal)
Treumann, S., Torkzaban, S., Bradford, S.A., Visalakshan, R.M., Page, D. 2014. An explanation for differences in the process of colloid adsorption in batch and column studies. Journal of Contaminant Hydrology. 164:219-229.
Coupled effects of hydrodynamic and solution chemistry conditions on long-term nanoparticle transport and deposition in saturated porous media - (Peer Reviewed Journal)
Sasidharan, S., Torkzaban, S., Bradford, S.A., Dillon, P.J., Cook, P.G. 2014. Coupled effects of hydrodynamic and solution chemistry conditions on long-term nanoparticle transport and deposition in saturated porous media. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 457:169-179.
Estimation and upscaling of dual-permeability model parameters for the transport of E.coli D21g in soils with preferential flow - (Peer Reviewed Journal)
Wang, Y., Bradford, S.A., Simunek, J. 2014. Estimation and upscaling of dual-permeability model parameters for the transport of E.coli D21g in soils with preferential flow. Journal of Contaminant Hydrology. 159:57-66.
Transport and fate of microbial pathogens in agricultural settings Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Morales, V.L., Zhang, W., Harvey, R.W., Packman, A.I., Mohanram, A., Welty, C. 2013. Transport and fate of microbial pathogens in agricultural settings. Critical Reviews in Environmental Science Technology. 43(8):775-893.
Modeling microorganism transport and survival in the subsurface - (Peer Reviewed Journal)
Bradford, S.A., Wang, Y., Kim, H., Torkzaban, S., Simunek, J. 2014. Modeling microorganism transport and survival in the subsurface. Journal of Environmental Quality. 43(2):421-440.
Retention and remobilization of stabilized silver nanoparticles in an undisturbed loamy sand soil Reprint Icon - (Peer Reviewed Journal)
Liang, Y., Bradford, S.A., Simunek, J., Heggen, M., Vereecken, H., Klumpp, E. 2013. Retention and remobilization of stabilized silver nanoparticles in an undisturbed loamy sand soil. Journal of Environmental Science and Technology. 47:12229-12237.
Physicochemical factors influencing the preferential transport of Escherichia coli in soils - (Peer Reviewed Journal)
Wang, Y., Bradford, S.A., Simunek, J. 2014. Physicochemical factors influencing the preferential transport of Escherichia coli in soils. Vadose Zone Journal. doi:10.2136/vzj2013.07.0120.
Release of quantum dot nanoparticles in porous media: Role of cation exchange and aging time Reprint Icon - (Peer Reviewed Journal)
Torkzaban, S., Bradford, S.A., Wan, J., Tokunaga, T., Masoudih, A. 2013. Release of quantum dot nanoparticles in porous media: Role of cation exchange and aging time. Journal of Environmental Science and Technology. 47(20):11528-11536.
Numerical modeling of contaminant transport using HYDRUS and its specialized modules Reprint Icon - (Peer Reviewed Journal)
Simunek, J., Jacques, D., Langergraber, G., Bradford, S.A., Sejna, M., Van Genuchten, M.T. 2013. Numerical modeling of contaminant transport using HYDRUS and its specialized modules. Journal of Indian Institute of Sciences. 93(2):265-284.
A theoretical analysis of colloid attachment and straining in chemically heterogeneous porous media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S., Shapiro, A. 2013. A theoretical analysis of colloid attachment and straining in chemically heterogeneous porous media. Langmuir. 29:6944-6952.
Limited transport of functionalized multi-walled carbon nanotubes in two natural soils Reprint Icon - (Peer Reviewed Journal)
Kasel, D., Bradford, S.A., Simunek, J., Putz, T., Vereecken, H., Klumpp, E. 2013. Limited transport of functionalized multi-walled carbon nanotubes in two natural soils. Environmental Pollution. 180:152-158.
Colloid transport in dual-permeability media Reprint Icon - (Peer Reviewed Journal)
Leij, F.J., Bradford, S.A. 2013. Colloid transport in dual-permeability media. Journal of Contaminant Hydrology. 150:65-76.
Transport and fate of microorganisms in soils with preferential flow under different solution chemistry conditions Reprint Icon - (Peer Reviewed Journal)
Wang, Y., Bradford, S.A., Simunek, J. 2013. Transport and fate of microorganisms in soils with preferential flow under different solution chemistry conditions. Water Resources Research. doi:10.1002/wrcr.20174.
Colloid interaction energies for physically and chemically heterogeneous porous media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S. 2013. Colloid interaction energies for physically and chemically heterogeneous porous media. Langmuir. 29(11):3668-3676.
Exact analytical solutions for contaminant transport in rivers 1. The equilibrium advection-dispersion equation Reprint Icon - (Peer Reviewed Journal)
Van Genuchten, M.T., Leij, F.J., Skaggs, T.H., Toride, N., Bradford, S.A., Pontedeiro, E.M. 2013. Exact analytical solutions for contaminant transport in rivers 1. The equilibrium advection-dispersion equation. Journal of Hydrology and Hydromechanics. 61(2):146-160.
Exact analytical solutions for contaminant transport in rivers 2. Transient storage and decay chain solutions Reprint Icon - (Peer Reviewed Journal)
Van Genuchten, M.T., Leij, F.J., Skaggs, T.H., Toride, N., Bradford, S.A., Pontedeiro, E.M. 2013. Exact analytical solutions for contaminant transport in rivers 2. Transient storage and decay chain solutions. Journal of Hydrology and Hydromechanics. 61(3):250-259.
Sensitivity of the transport and retention of stabilized silver nanoparticles to physicochemical factors Reprint Icon - (Peer Reviewed Journal)
Liang, Y., Bradford, S.A., Simunek, J., Vereecken, H., Klumpp, E. 2013. Sensitivity of the transport and retention of stabilized silver nanoparticles to physicochemical factors. Water Research. 47(7):2572-2582.
Synergistic ammonia losses from animal wastewater Reprint Icon - (Peer Reviewed Journal)
Lee, S.R., Yates, S.R., Robarge, W.P., Walker, J.T., Bradford, S.A. 2013. Synergistic ammonia losses from animal wastewater. Atmospheric Environment. 17:245-250.
Transport and retention of multi-walled carbon nanotubes in saturated porous media: Effects of input concentration and grain size Reprint Icon - (Peer Reviewed Journal)
Kasel, D., Bradford, S.A., Simunek, J., Heggen, M., Vereecken, H., Klumpp, E. 2013. Transport and retention of multi-walled carbon nanotubes in saturated porous media: Effects of input concentration and grain size. Water Research. 47(2):933-944.
Colloid adhesive parameters for chemical heterogeneous porous media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S. 2012. Colloid adhesive parameters for chemical heterogeneous porous media. Langmuir. 28:13643-13651.
Modeling colloid and microorganism transport and release with transients in solution ionic strength Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S., Kim, H., Simunek, J. 2012. Modeling colloid and microorganism transport and release with transients in solution ionic strength. Water Resources Research. doi:10.1029/2012WR012468.
Causes and implications of colloid and microorganism retention hysteresis Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Kim, H. 2012. Causes and implications of colloid and microorganism retention hysteresis. Journal of Contaminant Hydrology. 138-139:83-92.
Transport of ARS-labeled hydroxyapatite nanoparticles in saturated granular media is influenced by surface charge variability even in the presence of humic acid Reprint Icon - (Peer Reviewed Journal)
Wang, D., Bradford, S.A., Harvey, R.W., Hao, X., Zhou, D. 2012. Transport of ARS-labeled hydroxyapatite nanoparticles in saturated granular media is influenced by surface charge variability even in the presence of humic acid. Journal of Hazardous Materials. 229-230:179-176.
Impacts of bridging complexation on the transport of surface-modified nanoparticles in saturated sand Reprint Icon - (Peer Reviewed Journal)
Torkzaban, S., Wan, J., Tokunaga, T.K., Bradford, S.A. 2012. Impacts of bridging complexation on the transport of surface-modified nanoparticles in saturated sand. Journal of Contaminant Hydrology. 136-137:86-95.
Anaerobic transformation kinetics and mechanism of steroid estrogenic hormones in dairy lagoon water Reprint Icon - (Peer Reviewed Journal)
Zheng, W., Li, X., Yates, S.R., Bradford, S.A. 2012. Anaerobic transformation kinetics and mechanism of steroid estrogenic hormones in dairy lagoon water. Environmental Science and Technology. 46(10):5471-5478.
Humic acid facilitates the transport of ARS-labeled hydroxyapatite nanoparticles in iron oxyhydroxide-coated sand Reprint Icon - (Peer Reviewed Journal)
Wang, D., Bradford, S.A., Harvey, R.W., Gao, B., Cang, L., Zhou, D. 2012. Humic acid facilitates the transport of ARS-labeled hydroxyapatite Nanoparticles in iron oxyhydroxide-coated sand. Environmental Science and Technology. 46:2738-2745.
Facilitated transport of copper with hydroxyapatite nanoparticles in saturated sand Reprint Icon - (Peer Reviewed Journal)
Wang, D., Bradford, S.A., Paradelo, M., Peijnenburg, W., Zhou, D. 2011. Facilitated transport of copper with hydroxyapatite nanoparticles in saturated sand. Soil Science Society of America Journal. 76(2):375-388.
Facilitated transport of Cu with hydroxyapatite nanoparticles in saturated sand: Effects of solution ionic strength and composition - (Peer Reviewed Journal)
Wang, D., Paradelo, M., Bradford, S.A., Peijnenburg, W.J., Chu, L., Zhou, D. 2011. Facilitated transport of Cu with hydroxyapatite nanoparticles in saturated sand: Effects of solution ionic strength and composition. Water Research. 45:5905-5915.
Modeling colloid transport and retention in saturated porous media under unfavorable attachment conditions - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S., Simunek, J. 2011. Modeling colloid transport and retention in saturated porous media under unfavorable attachment conditions. Water Resources Research. 47:W10503. DOI:10.1029/2011WR010812.
Pore-scale simulations to determine the applied hydrodynamic torque and colloid immobilization - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S., Wiegmann, A. 2011. Pore-scale simulations to determine the applied hydrodynamic torque and colloid immobilization. Vadose Zone Journal. 10:252-261.
Comparison of model- and design-based sampling strategies for characterizing spatial variablity with ECa-directed soil sampling - (Peer Reviewed Journal)
Corwin, D.L., Lesch, S.M., Segal, E., Shouse, P.J., Skaggs, T.H., Bradford, S.A. 2010. Comparison of model- and design-based sampling strategies for characterizing spatial variablity with ECa-directed soil sampling. Journal of Environmental & Engineering Geophysics. 15(3):147-162.
Implications of cation exchange on clay release and colloid-facilitated transport in porous media - (Peer Reviewed Journal)
Bradford, S.A., Kim, H.K. 2010. Implications of cation exchange on clay release and colloid-facilitated transport in porous media. Journal of Environmental Quality. 39(6):2040-2046.
Recommendations for nutrient management plans in a semi-Arid environment Reprint Icon - (Peer Reviewed Journal)
Segal, E., Shouse, P.J., Poss, J.A., Crohn, D.M., Bradford, S.A. 2010. Recommendations for nutrient management plans in a semi-Arid environment. Agriculture, Ecosystems and Environment. 137(2):317-328.
Hysteresis of Colloid Retention and Release in Saturated Porous Media During Transients in Solution Chemistry Reprint Icon - (Peer Reviewed Journal)
Torkzaban, S., Kim, H.K., Simunek, J., Bradford, S.A. 2010. Hysteresis of Colloid Retention and Release in Saturated Porous Media During Transients in Solution Chemistry. Journal of Environmental Science and Technology. 44(5):1662-1669.
Measuring Particle Size Distribution using Laser Diffraction: Implications for Predicting Soil Hydraulic Properties Reprint Icon - (Peer Reviewed Journal)
Segal, E., Shouse, P.J., Bradford, S.A., Skaggs, T.H., Corwin, D.L. 2009. Measuring Particle Size Distribution using Laser Diffraction: Implications for Predicting Soil Hydraulic Properties. Soil Science. 174(12)639:645.
Coupled Factors Influencing the Transport and Retention of Cryptosporidium Parvum Oocysts in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Kim, H., Walker, S., Bradford, S.A. 2010. Coupled Factors Influencing the Transport and Retention of Cryptosporidium Parvum Oocysts in Saturated Porous Media. Water Research. 44(4):1213-1223.
Combined physical and chemical nonequilibrium transport model: Analytical solution, moments, and application to colloids Reprint Icon - (Peer Reviewed Journal)
Leij, F.J., Bradford, S.A. 2009. Combined physical and chemical nonequilibrium transport model: Analytical solution, moments, and application to colloids. Journal of Contaminant Hydrology. 110(3-4)87-99.
Macromolecule Mediated Transport and Retention of Escherichia coli O157:H7 in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Kim, H., Walker, S., Bradford, S.A. 2010. Macromolecule Mediated Transport and Retention of Escherichia coli O157:H7 in Saturated Porous Media. Water Research. 44(4):1082-1093.
Reply to comment by William P. Johnson et al. on ‘‘Transport and fate of bacteria in porous media: Coupled effects of chemical conditions and pore space geometry’’ - (Other)
Torkzaban, S., Walker, S.L., Bradford, S.A. 2009. Reply to comment by William P. Johnson et al. on ‘‘Transport and fate of bacteria in porous media: Coupled effects of chemical conditions and pore space geometry’’. Water Resources Research. 45:W09604
Coupled Factors Influencing Concentration Dependent Colloid Transport and Retention in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Kim, H.N., Haznedaroglu, B.Z., Torkzaban, S., Walker, S.L. 2009. Coupled Factors Influencing Concentration Dependent Colloid Transport and Retention in Saturated Porous Media. Environmental Science and Technology. 43(18)6996-7002.
Surface Characteristics and Adhesion Behavior of Escherichia coli O157:H7: Role of Extracellular Macromolecules Reprint Icon - (Peer Reviewed Journal)
Kim, H.N., Hong, Y., Lee, I., Bradford, S.A., Walker, S.L. 2009. Surface Characteristics and Adhesion Behavior of Escherichia coli O157:H7: Role of Extracellular Macromolecules. Biomacromolecules. 10(9):2556-2564.
Escherichia coli O157:H7 Transport in Saturated Porous Media: Role of Solution Chemistry and Surface Macromolecules Reprint Icon - (Peer Reviewed Journal)
Kim, H., Bradford, S.A., Walker, S. 2009. Escherichia coli O157:H7 Transport in Saturated Porous Media: Role of Solution Chemistry and Surface Macromolecules. Journal of Environmental Science & Technology, 43(12):4340-4347.
Relative Transport Behavior of Escherichia coli O157:H7 and Salmonella enterica serovar Pullorum in Packed Bed Column Systems: Influence of Solution Chemistry and Cell Concentration Reprint Icon - (Peer Reviewed Journal)
Haznedaroglu, B.Z., Kim, H.N., Bradford, S.A., Walker, S.L. 2009. Relative Transport Behavior of Escherichia coli O157:H7 and Salmonella enterica serovar Pullorum in Packed Bed Column Systems: Influence of Solution Chemistry and Cell Concentration. Environmental Science and Technology. 43(6):1838-1844.
Deterministic Analysis and Upscaling of Bromide Transport in a Heterogeneous Vadose Zone Reprint Icon - (Peer Reviewed Journal)
Segal, E., Shouse, P.J., Bradford, S.A. 2009. Deterministic Analysis and Upscaling of Bromide Transport in a Heterogeneous Vadose Zone. Vadose Zone Journal. 8(3):601-610.
Modeling the Coupled Effects of Pore Space Geometry and Velocity on Colloid Transport and Retention Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S., Leij, F., Simunek, J., Van Genuchten, M.T. 2009. Modeling the Coupled Effects of Pore Space Geometry and Velocity on Colloid Transport and Retention. Water Resources Research. 45:1-15.
Fate of Indicator Microorganisms Under Nutrient Management Plan Conditions Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Segal, E. 2009. Fate of Indicator Microorganisms Under Nutrient Management Plan Conditions. Journal of Environmental Quality. 38:1728-1738.
Environmental Impacts and Sustainability of Degraded Water Reuse Reprint Icon - (Peer Reviewed Journal)
Corwin, D.L., Bradford, S.A. 2008. Environmental Impacts and Sustainability of Degraded Water Reuse. Journal of Environmental Quality. 37:S1-S7.
Vadose Zone Modeling: Introduction and Importance Reprint Icon - (Review Article)
Simunek, J., Bradford, S.A. 2008. Vadose Zone Modeling: Introduction and Importance. Vadose Zone Journal. Vol 7:581-586
Cell preparation methods influence Escherichia coli D21g surface chemistry and transport in saturated sand Reprint Icon - (Peer Reviewed Journal)
Tazehkand, S.S., Torkzaban, S., Bradford, S.A., Walker, S. 2008. Cell preparation methods influence E.coli D21g surface chemistry and transport in saturated sand. Journal of Environmental Quality. 37:2108-2115.
Transport and Fate of Bacteria in Porous Media: Coupled Effects of Chemical Conditions and Pore Space Geometry Reprint Icon - (Peer Reviewed Journal)
Torkzaban, S., Tazehkand, S.S., Walker, S.L., Bradford, S.A. 2008. Transport and Fate of Bacteria in Porous Media: Coupled Effects of Chemical Conditions and Pore Space Geometry. Water Resources Research. Vol 44:1-12
Analysis of Steroid Hormones in a Typical Dairy Waste Disposal System - (Peer Reviewed Journal)
Zheng, W., Yates, S.R., Bradford, S.A. 2007. Analysis of Steroid Hormones in a Typical Dairy Waste Disposal System. Environmental Science and Technology. Vol 42:2
Colloid Transport in Unsaturated Porous Media: The Role of Water Content and Ionic Strength on Particle Straining Reprint Icon - (Peer Reviewed Journal)
Torksaban, S., Bradford, S.A., Van Genuchten, M.T., Walker, S.L. 2007. Colloid Transport in Unsaturated Porous Media: The Role of Water Content and Ionic Strength on Particle Straining. Journal of Contaminant Hydrology. Vol 96:113-127
Reuse of concentrated animal feed operation wastewater on agricultural lands - (Peer Reviewed Journal)
Bradford, S.A., Segal, E., Zhang, W., Wang, Q. 2008. Reuse of concentrated animal feed operation wastewater on agricultural lands. Journal of Environmental Quality. 37:S97-S115.
Resolving the coupled effects of hydrodynamics and DLVO forces on colloid attachment in porous media - (Peer Reviewed Journal)
Torkzaban, S., Bradford, S.A., Walker, S.L. 2007. Resolving the coupled effects of hydrodynamics and DLVO forces on colloid attachment in porous media. Langmuir. Vol 23:9652-9660
Colloid Transport and Retention in Unsaturated Porous Media: A Review of Interface-Collector, and Pore-Scale Processes and Models Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban, S. 2008. Colloid Transport and Retention in Unsaturated Porous Media: A Review of Interface-Collector, and Pore-Scale Processes and Models. Vadose Zone Journal. Vol 7:667-681
Integration of Hard and Soft Data to Characterize Field-Scale Hydraulic Properties for Flow and Transport Studies Reprint Icon - (Peer Reviewed Journal)
Segal, E., Bradford, S.A., Shouse, P.J., Lazarovitch, N., Corwin, D.L. 2008. Integration of Hard and Soft Data to Characterize Field-Scale Hydraulic Properties for Flow and Transport Studies. Vadose Zone Journal. 7(3):878-889.
Bacteria Transport and Deposition under Unsaturated Flow Conditions: the Role of Water Content and Bacteria Surface Hydrophobicity Reprint Icon - (Peer Reviewed Journal)
Gargiulo, G., Bradford, S.A., Simunek, J., Ustohal, P., Vereecken, H., Klumpp, E. 2008. Bacteria transport and deposition under unsaturated flow conditions: the role of water content and bacteria surface hydrophobicity. Vadose Zone Journal. Vol 7(2):406-419
Coupling of physical and chemical mechanisms of colloid straining in saturated porous media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Torkzaban2, S., Walker, S.L. 2007. Coupling of physical and chemical mechanisms of colloid straining in saturated porous media. Water Resources Research. Vol 41:3012-3024
A Stochastic Model for Colloid Transport and Deposition Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Toride, N. 2007. A stochastic model for colloid transport and deposition. Journal of Environmental Quality. Vol 36:1346-1356
Bacteria Transport and Deposition under Unsaturated Conditions: the Role of the Matrix Grain Size and the Bacteria Surface Protein Reprint Icon - (Peer Reviewed Journal)
Gargiulo, G., Bradford, S.A., Simunek, J., Ustohal, P., Vereecken, H., Klumpp, E. 2007. Bacteria transport and deposition under unsaturated conditions: the role of the matrix grain size and the bacteria surface protein. Journal of Contaminant Hydrology. Vol 92:255-273
Transport and Deposition of Metabolically Active and Stationary Phase Deinococcus Radiodurans in Unsaturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Gargiulo, G., Bradford, S.A., Simunek, J., Vereecken, H., Klumpp, E. 2007. Transport and deposition of metabolically active and stationary phase deinococcus radiodurans in unsaturated porous media. Environmental Science and Technology. Vol 41:1265-1271
Transport and Straining of E. coli O157:H7 in Saturated Porous Media - (Abstract Only)
Bradford, S.A., Simunek, J., Walker, S.L. 2006. Transport and Straining of E. coli O157:H7 in Saturated Porous Media. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. Paper No. 277-5
Transport of Latex Particles in Variably Saturated Heterogeneous Media - (Abstract Only)
Han, J., Bradford, S.A., Jin, Y. 2006. Transport of Latex Particles in Variably Saturated Heterogeneous Media. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. Paper No. 182-16
Transport and Fate of Nitrate and Pathogens at a Dairy Lagoon Water Application Site - (Abstract Only)
Segal, E., Bradford, S.A., Lazarovitch, N., Shouse, P.J. 2006. Transport and Fate of Nitrate and Pathogens at a Dairy Lagoon Water Application Site. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. CD-ROM.
Transport and Straining of E. Coli O157:h7 in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Simunek, J., Walker, S.L. 2006. Transport and straining of E. coli O157:H7 in saturated porous media. Water Resources Research. VOL 42, W12S12
Significance of Straining in Colloid Deposition: Evidence and Implications Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Simunek, J., Bettahar, M., Van Genuchten, M.T., Yates, S.R. 2006. Significance of straining in colloid deposition: evidence and implications. Water Resources Research. VOL 42, W12S15
Transport and Fate of Manure-Borne Pathogens: Modeling Perspective - (Peer Reviewed Journal)
Pachepsky, Y.A., Sadeghi, A.M., Bradford, S.A., Shelton, D.R., Guber, A.K., Dao, T.H. 2006. Transport and fate of manure-borne pathogens: modeling perspective. Agricultural Water Management. Online-(doi:10.1016/j.agwat.2006.06.0l0.)
Sulfadimethoxine Degradation Kinetics in Manure As Affected by Initial Concentration, Moisture, and Temperature Reprint Icon - (Peer Reviewed Journal)
Wang, Q., Bradford, S.A., Zheng, W., Yates, S.R. 2006. Sulfadimethoxine degradation kinetics in manure as affected by initial concentration, moisture, and temperature. Journal of Environmental Quality. Vol 35:2162-2169
Coupling of Physical and Chemical Mechanisms of Colloid Deposition - (Abstract Only)
Bradford, S.A., Torkzaban, S., Walker, S. 2006. Coupling of physical and chemical mechanisms of colloid deposition. Annual Colloid and Surface Science Symposium. Paper No. 63.
Colloid Transport in Unsaturated Porous Media: the Role of Water Content and Ionic Strength on Particle Straining - (Abstract Only)
Torkzaban, S., Bradford, S.A., Walker, S. 2006. Colloid transport in unsaturated porous media: the role of water content and ionic strength on particle straining. Annual Colloid and Surface Science Symposium. Paper No. 21.
A New Paradigm for Pathogen Transport and Deposition in Porous Media: the Role of Pore Structure and Colloid-Colloid Interactions - (Abstract Only)
Walker, S., Bradford, S.A. 2006. A new paradigm for pathogen transport and deposition in porous media: the role of pore structure and colloid-colloid interactions. Annual Colloid and Surface Science Symposium. Paper No. 14.
Transport of Coliphage in the Presence and Absence of Manure Suspension Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Tadassa, Y.F., Jin, Y. 2006. Transport of coliphage in the presence and absence of manure suspension. Environmental Science and Technology. VOL 35:1692-1701
Colloid-Facilitated Solute Transport in Variably-Saturated Porous Media: Numerical Model and Experimental Verification Reprint Icon - (Peer Reviewed Journal)
Simunek, J., He, C., Pang, L., Bradford, S.A. 2006. Colloid-facilitated solute transport in variably-saturated porous media: numerical model and experimental verification. Vadose Zone Journal. Vol 5:1035-1047
Interfacial Area Estimates for a Napl-Water System and Their Effect on Predicting Groundwater Remediation Efficiency - (Abstract Only)
Wildenschild, D., Bradford, S.A. 2005. Interfacial area estimates for a napl-water system and their effect on predicting groundwater remediation efficiency. EOS Transactions, Fall Meeting. 86:H33A-1372. American Geophysical Union.
Concentration Dependent Transport of Colloids in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Bettahar, M., Bradford, S.A. 2005. Concentration dependent transport of colloids in saturated porous media. Journal of Contaminant Hydrology. 82:99-117.
Significance of Straining in Colloid Deposition: Evidence and Implications - (Abstract Only)
Bradford, S.A., Simunek, J., Bettahar, M., Van Genuchten, M.T., Yates, S.R. 2005. Significance of straining in colloid deposition: evidence and implications. Geological Society of America Meeting. Paper No. 243-4
Transport of Giardia and Manure Suspensions in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Tadassa, Y.F., Pachepsky, Y.A. 2006. Transport of giardia and manure suspensions in saturated porous media. Journal of Environmental Quality. 35:749-757.
New Features of Hydrus-1d, Version 3.0 - (Proceedings)
Simunek, J., Van Genuchten, M.T., Bradford, S.A., Lenhard, R.J. 2005. New Features of HYDRUS-1D, Version 3.0. In: S. Torkzaban and S. Majid Hassanizadeh (eds.), Proceedings of Workshop on HYDRUS Applications, p. 86-89, October 19, 2005, ISBN 90-39341125, Department of Earth Sciences, Utrecht University, Utrecht, The Netherlands.
Modeling of Colloid Transport and Deposition in Porous Media - (Proceedings)
Bradford, S.A., Van Genuchten, M.T., Simunek, J. 2005. Modeling of colloid transport and deposition in porous media. Proceedings of the workshop on HYDRUS Applications, Oct. 19, 2005, Utrecht Univ., The Netherlands. p. 1-5.
Straining of Colloids at Textural Interfaces Reprint Icon - (Peer Reviewed Journal)
Bradford, S.A., Simunek, J., Bettahar, M., Tadassa, Y.F., Van Genuchten, M.T., Yates, S.R. 2005. Straining of colloids at textural interfaces. Water Resources Research. 41:W10404, doi:10.1029/2004WR003675.
Colloid-Facilitated Transport in Variably Saturated Porous Media: Numerical Modeling and Experimental Verification. - (Abstract Only)
He, C., Simunek, J., Pang, L., Bradford, S.A. 2005. Colloid-facilitated transport in variably saturated porous media: numerical modeling and experimental verification. [CD-ROM] Agronomy Abstracts. SSSA Annual Meeting. Salt Lake City, UT.
Concentration Dependent Colloid Transport in Saturated Porous Media - (Abstract Only)
Bradford, S.A. 2005. Concentration dependent colloid transport in saturated porous media. American Chemical Society Abstracts, San Diego, CA. 229:U646-U647.
Prediction of Two-Phase Capillary Pressure-Saturation Relationships in Fractional Wettability Systems Reprint Icon - (Peer Reviewed Journal)
O'Carroll, D.M., Abriola, L.M., Polityka, C.A., Bradford, S.A., Demond, A.H. 2005. Prediction of two-phase capillary pressure-saturation relationships in fractional wettability systems. Journal of Contaminant Hydrology. 77:247-270.
Straining, Attachment, and Detachment of Cryptosporidium Oocysts in Saturated Porous Media - (Peer Reviewed Journal)
Bradford, S.A., Bettahar, M. 2005. Straining, attachment, and detachment of Cryptosporidium oocysts in saturated porous media. Journal of Environmental Quality. 34:469-478.
Transport of Microorganisms in the Presence and Absence of Manure Suspensions - (Abstract Only)
Bradford, S.A., Tadassa, Y.F., Bettahar, M. 2004. Transport of microorganisms in the presence and absence of manure suspensions. American Geophysical Union, Abstracts of Fall Meeting, San Francisco, CA. 85:47.
Straining of Colloids at Textural Interfaces - (Abstract Only)
Bradford, S.A., Simunek, J., Van Genuchten, M.T., Bettahar, M. 2004. Straining of colloids at textural interfaces. ASA-CSSA-SSSA Annual Meeting Abstracts. CD-ROM, Seattle, WA.
Volatilization of Binary Napl Mixtures in Unsaturated Porous Media - (Peer Reviewed Journal)
Abriola, L.M., Bradford, S.A., Lang, J., Gaither, C.L. 2004. Volatilization of binary NAPL mixtures in unsaturated porous media. Vadose Zone Journal. 3:645-655.
Straining and Attachment of Colloids in Physically Heterogeneous Porous Media - (Peer Reviewed Journal)
Bradford, S.A., Bettahar, M., Simunek, J., Van Genuchten, M.T. 2004. Straining and attachment of colloids in physically heterogeneous porous media. Vadose Zone Journal. 3:384-394.
Release of Cryptosporidium and Giardia from Dairy Cattle Manure: Physical Factors Reprint Icon - (Peer Reviewed Journal)
Schijven, J.F., Bradford, S.A., Yang, S. 2004. Release of Cryptosporidium and Giardia from dairy cattle manure: Physical factors. Journal of Environmental Quality. 33(4):1499-1508.
Influence of Textural and Wettability Variations on Predictions of Dnapl Persistence and Plume Development in Saturated Porous Media - (Peer Reviewed Journal)
Phelan, T.J., Lemke, L.D., Bradford, S.A, O'Carroll, D.M., Abriola, L.M. 2004. Influence of textural and wettability variations on predictions of DNAPL persistence and plume development in saturated porous media. Advances in Water Resources. 27:411-427.
Modeling Fate and Transport of Manure-Borne Pathogens in the Environment - (Proceedings)
Pachepsky, Y.A., Bradford, S.A., Sadeghi, A.M., Guber, A.K., Shelton, D.R. 2004. Modeling fate and transport of manure-borne pathogens in the environment. In: Proceedings of the Pathogens in the Environment Workshop, February 23-25, 2004, Kansas City, Missouri. p. 34-38.
Infiltration of Pce in a System Containing Spatial Wettability Variations Reprint Icon - (Peer Reviewed Journal)
O'Carroll, D.M., Bradford, S.A., Abriola, L.M. Infiltration of PCE in a system containing spatial wettability variations. Journal of Contaminant Hydrology. 2004. 73:39-63.
Modeling Colloid Attachment, Straining, and Exclusion in Saturated Porous Media Reprint Icon - (Peer Reviewed Journal)
BRADFORD, S.A., SIMUNEK, J., BETTAHAR, M., VAN GENUCHTEN, M.T., YATES, S.R. MODELING COLLOID ATTACHMENT, STRAINING, AND EXCLUSION IN SATURATED POROUS MEDIA. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY. 2003. v. 37. p. 2242-2250.
Entrapment and Dissolution of Dnapls in Physically and Chemically Heterogeneous Porous Media - (Peer Reviewed Journal)
Bradford, S.A., Rathfelder, K.M., Lang, J., Abriola, L.M. 2003. Entrapment and dissolution of DNAPLs in heterogeneous porous media. Journal of Contaminant Hydrology. 67:133-157.
Transport and Fate of Colloids in Physically Heterogeneous Porous Media - (Proceedings) - (20-Oct-02)
Release of Cryptosporidium and Giardia from Dairy Calf Manure: Impact of Solution Salinity - (Peer Reviewed Journal)
Bradford, S.A., Schijven, J. Release of Cryptosporidium and Giardia from Dairy Calf Manure: Impact of Solution Salinity. Journal of Environmental Science and Technology. v. 36. p. 3916-3923.
Last Modified: 12/9/2013
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