Geological engineering, hydrology, colloid transport, aqueous organic chemistry

Huilian Ma, Julien Pedel, Paul Fife, and W.P. Johnson, 2009, A New Platform to Predict Colloid Deposition in Porous Media, in review Environ. Sci. Technol.

Dicataldo G, D.F. Hayes, W.P. Johnson , W.O. Moellmer , T. Miller, 2009, Effect of dissolved oxygen, pH, and water temperature on diel changes of dissolved selenium and other trace metals in a Great Salt Lake wetland, in preparation. 

Dicataldo G, D.F. Hayes, W.P. Johnson , W.O. Moellmer , T. Miller, 2009, Daily changes in dissolved selenium concentration in a wetland of the Great Salt Lake: Linking speciation to mass transfer, in preparation.

Dicataldo G, W.P. Johnson , D.F. Hayes, W.O. Moellmer , T. Miller, 2009, Effects of seasonality of diurnal cycles of pH and dissolved oxygen on selenium speciation in a wetland system, in preparation.

Beisner K., W.P. Johnson, D.L. Naftz, 2009, Selenium and trace element mobility affected by periodic interruption of meromixis in the Great Salt Lake, Utah, submitted. 

Diaz X, D. Fernandez, D.L. Naftz, W.P. Johnson, 2009, Size and Elemental Distributions of Nano- to Micro- Particulates in the Geochemically-stratified Great Salt Lake, App. Geochem., doi:10.1016/j.apgeochem.2009.04.031.

Oliver W., W.P. Johnson, C.C Fuller, D.L. Naftz, 2009, Permanent selenium sedimentation flux from the Great Salt Lake, Utah, App. Geochem, 24 , 936-949.

Diaz X., D.L. Naftz, W.P. Johnson, 2009, Selenium Mass Balance in the Great Salt Lake, Utah, Sci. Tot. Env. 407, 2333-2341.

Diaz X., W.A. Oliver, D.L. Naftz, W.P. Johnson, 2009, Volatile Selenium Flux from the Great Salt Lake, Utah, Environ. Sci. Technol., 43 (1), pp 53–59, DOI: 10.1021/es801638w.

Naftz, D.L., Johnson, W.P., Freeman, M.L., Beisner, K., Diaz, X., and Cross, V.A., 2009, Estimation of selenium loads entering the south arm of Great Salt Lake, Utah, from May 2006 through March 2008: U.S. Geological Survey Scientific Investigations Report 2008–5069, 40 p.

Tong M., H. Ma, W.P. Johnson, 2008, Funneling of Flow into Grain-to-grain Contacts Drives Colloid-Colloid Aggregation in the Presence of an Energy Barrier, Environ. Sci. Technol. 42(8), 2826-2832, doi: 10.1021/es071888v.

Johnson, W. P., M. Tong, and X. Li , 2007, On colloid retention in saturated porous media in the presence of energy barriers: The failure of α, and opportunities to predict η, Water Resour. Res., 43, W12S13, doi:10.1029/2006WR005770.

Johnson W.P., Xiqing Li, and Gozde Yal, 2007, Colloid Retention in Porous Media: Mechanistic Confirmation of Wedging and Retention in Zones of Flow Stagnation, Environ. Sci. Technol., 41,1279-1287, DOI: 10.1021/es061301x.

Tong M., and W.P. Johnson, 2006, Colloid Population Heterogeneity Drives Hyper-Exponential Deviation from Classic Filtration Theory, Environ. Sci. Technol., 2007, 41(2), 493-499, DOI: 10.1021/es061202j.

Johnson W.P., X. li, and S. Assemi, 2006, Deposition and Re-entrainment Dynamics of Microbes and Non-Biological Colloids during Non-Perturbed Transport in Porous Media in the Presence of an Energy Barrier to Deposition, Advances in Water Resources, 30 (6-7), 1432-1454, doi:10.1016/j.advwatres.2006.05.020.

Tong M., and W.P. Johnson, 2006, Excess colloid retention in porous media as a function of colloid size, fluid velocity, and grain angularity, Environ. Sci. Technol., 40(24), 7725-7731, DOI: 10.1021/es061201r.

Johnson W.P., 2006, Comment on Pang et al. (2005) Filtration and transport of Bacillus subtilis spores and the F-RNA phage MS2 in a coarse alluvial aquifer: Implications in the estimation of setback distances, J. Cont. Hyd., 86, 160-161.

Johnson W.P. and M. Tong, 2006, Simulated and Experimental Influence of Hetero-Domain Size on Colloid Deposition Efficiencies on Overall Like-Charged Surfaces, Environ. Sci. Technol. 40(16), 5015-5021, DOI: 10.1021/es060450c.

Assemi S., Jakub Nalaskowski, J.D. Miller, and W.P. Johnson, 2006, The Isoelectric Point of Fluorite by Direct Force Measurements Using Atomic Force Microscopy, Langmuir, 22(4); 1403-1405.

Assemi S., J. Nalaskowski, and W.P. Johnson, 2006, Direct force measurements between latex microspheres and glass surface using Atomic Force Microscopy, Colloids & Surfaces A: Physicochemical and Engineering Aspects, 286 (1-3), 70-77.

Li X., C.L. Lin, J. D. Miller, W.P. Johnson, 2006, Pore-scale Observation of Microsphere Deposition at Grain-Grain Contacts over Assemblage-scale Porous Media Domains Using X-ray Microtomography, Environ. Sci. Technol., 40 (12), 3762-3768.

Li X., C.L. Lin, J. D. Miller, W.P. Johnson, 2006, Role of grain to grain contacts on profiles of retained colloids in porous media in the presence of an energy barrier to deposition, Environ. Sci. Technol.. 40 (12), 3769-3774.

Johnson W.P., M. Tong, and X. Li, 2005, Colloid Deposition in Environmental Porous Media: Deviation from Existing Theory is the Norm; Not the Exception, EOS  86(18), 179-180.

Johnson W.P., and X. Li, 2005, Comment on: Tufenkji and Elimelech (2005) Breakdown of colloid filtration theory: role of the secondary energy minimum and surface charge heterogeneities, Langmuir, 21, 841-852, Langmuir, 21, 10895-10895.

Tong M., T.A. Camesano, and Johnson W.P., 2005, Spatial Variation in Deposition Rate Coefficients of an Adhesion-Deficient Bacterial Strain in Quartz Sand, Environmental Science & Technology, 39(10), 3679-3687.

Li X., P. Zhang, C.L. Lin, and W.P. Johnson, 2005, Role of Hydrodynamic Drag on Microsphere Deposition and Re-entrainment in Porous Media under Unfavorable Conditions, Environmental Science & Technology, 39(11), 4012-4020.

Li X., and W.P. Johnson, 2005, Non-Monotonic Variations in Removal Rate Coefficients of Microspheres in Porous Media under Unfavorable Deposition Conditions, Environmental Science & Technology, 39, 1658-1665.

Tong M., X. Li, C. Brow, and W.P. Johnson, 2005, Detachment-Influenced Transport of an Adhesion-Deficient Bacterial Strain in Water-Reactive Porous Media, Environmental Science & Technology, 39(8), 2500-2508.

Dong, H., T. D. Scheibe, W. P. Johnson, C. M. Monkman, and M. E. Fuller, 2005, Direct Determination of Change of Bacterial Collision Efficiency with Transport Distance in Field Scale Bacterial Transport Experiments, Groundwater, 449(3), 415–429.

Brow C., M. Tong, and W.P. Johnson, and J. Ricka, 2005, Comparison of Microsphere Deposition in Porous Media Versus Simple Shear Systems, Colloids & Surfaces A: Physicochemical and Engineering Aspects, 253, 125-136.

Drake L.A., Meyer A.E, Forsberg R.L., Baier R.E., Doblin M.A., Heinemann S., Johnson W.P., Koch M., Rublee P.A. & Dobbs F.C., 2005, Potential Invasion of Microorganisms and Pathogens via ‘Interior Hull Fouling’: Biofilms inside Ballast-Water Tanks, Biological Invasions, 7(6), 969 – 982.

Li X., T.D. Scheibe, and W.P. Johnson, 2004, Apparent Decreases in Colloid Removal Rate Coefficients with Distance of Transport under Unfavorable Deposition Conditions: A General Phenomenon, Environmental Science & Technology, 38(21): 5616-5625, 2004.

Fuller, M.E.; Mailloux, B.J.; Streger, S.;  Hall, J.; Zhang, P.; Vainberg, S.; Johnson, W.P.; Onstott, T.C.; DeFlaun, 2004, Application of a vital fluorescent staining method for simultaneous, near real time concentration monitoring of two bacterial strains in an Atlantic Coastal Plain Aquifer in Oyster, VA, Applied & Evironmental Microbiology, 70(3), 1680-1687.

W.P. Johnson and W. O. McIntosh, 2003, Field investigation of enhanced detachment of attached bacterial cells by hydrodynamic collision with injected bacteria, J. Microb. Meth, 1789, 1-12.

W.P. Johnson, G. Bao, W.W. John, 2002, Specific UV Absorbance of Aldrich Humic Acid: Changes During Transport in Aquifer Sediment, Environ. Sci. & Technol., 36(4), 608-616.

W.P. Johnson, P. Zhang, P.M. Gardner, M.E. Fuller, and M.F. DeFlaun, 2001, Monitoring the Response of Indigenous Bacteria to the Arrival of Injected Bacteria using Ferrographic Capture, Applied and Environmental Microbiology, 67(10), 4908-4913.

Zhang, P., Johnson, W.P., Scheibe, T.D., Choi, K., and Dobbs, F.G., 2001, Extended Tailing of Bacterial Concentrations at the Narrow Channel Site, Oyster, VA, Water Resources Research, 37(11), 2687-2698.

DeFlaun, M.F.; Fuller, M.E.; Johnson, W.P.; Zhang, P.; Mailloux, B.J.; Onstott, T.C.; Holben W.; Balkwill, D.; and White, D., 2001, Comparison of Innovative Methods for Monitoring Bacterial Transport, J. Microbial Methods, 47, 219-231.

Zhang, P.F., Johnson, W.P., Piana, M.J., Fuller, C.C., and Naftz, D.L., 2001, Differential Breakthrough of Microspheres and Bromide in a Zero-Valent Iron Permeable Reactive Barrier, Groundwater, 39(6), 831-840.

Fuller, M.E.; Mailloux, B.J.; Zhang, P.; Streger, S.; Hall, J.; Vainberg, S.; Beavis, S.; Johnson, W.P.; Onstott, T.C.; DeFlaun, 2001, M.F. Field-scale evaluation of CFDA/SE staining coupled with multiple detection methods for assessing the transport of bacteria in situ. FEMS Microbiology Ecology 37(1), p. 55-66.

Schmitz, P., Duyvesteyn, S., and Johnson W.P., 2001, Adsorption of Aurocyanide Complexes onto Carbonaceous Matter from Preg-Robbing Goldstrike Ore, Hydrometallurgy, 61, 121-135.

Johnson, W.P., Zhang, P., Fuller, M.E., Scheibe, T.D., Mailloux, B.J., Onstott, T.C., DeFlaun, M.F., Hubbard, S.S., Radtke, J., Kovacik, W.P., and Holben,W., 2001, Ferrographic Tracking of Bacterial Transport in the Field at the Narrow Channel Focus Area, Oyster, VA, Environmental Science & Technology. 35(1), 182-191. 

Stenebraten, J.F., and Johnson, W.P., 2000, Characterization of Goldstrike Ore Carbonaceous Material: 2. Physical Characteristics, Minerals and Metallurgical Processing, 17(1), 1-9.

John, W.W., Bao B., and Johnson, W.P., and Stauffer, T.B., 2000, Mixed Sorption of Nonionic Surfactant Oligomers to Low foc Aquifer Sediment and PCE DNAPL, and the Resulting Effect on Kd,PCE, Environmental Science & Technology, 34(4), 672-279.

Schmitz, P., Johnson W.P., and Duyvesteyn, S., 2000, Gold Leaching from Goldstrike Ore Carbonaceous Matter and its Relationship to Preg-Robbing, Hydrometallurgy, 60, 25-40.

Bao B., John, W.W., and Johnson, W.P., 2000, Chromatographic Alteration of a Nonionic Surfactant Mixture During Transport in DNAPL-Contaminated Sediment, Environmental Science & Technology, 34(4), 680-685.

Johnson, W.P., 1999, Sediment Control of Facilitated Transport and Enhanced Desorption, ASCE, Journal of Environmental Engineering, 126(1), 47-56.

Zhang, P., and Johnson, W.P., 1999, Bacterial Tracking Using Ferrographic Separation, Environ. Sci. Technol., 33(14) 2456-2460.

Zhang, P., and Johnson, W.P., 1999, Rapid Selective Ferrographic Enumeration of Bacteria, J. of Magnet. And Mag. Mat., 194, 267-274.

Stenebraten, J.F., and Johnson, W.P., 1999, Characterization of Goldstrike Ore Carbonaceous Material: 1. Chemical Characteristics, Minerals and Metallurgical Processing, 16(3), 37-44.

Johnson, W.P., and John, W.W., 1999, A Comparison of Humic Substances and Surfactants as Remediation Agents: PCE Solubilization and Mobilization by Commercial Humic Acid, J. of Cont. Hyd., 35, 343-362.

Johnson, W.P., Cabral, K., Lion L.W., and Corapcioglu, Y.M., 1998, Reconciliation of Expressions for the Modified Retardation Factor and Incorporation of Non-linear Effects, J. Cont. Hydr.32, 247-266.

Johnson, W.P., Martin, M.J., Gross, M.J., and Logan, B.E., 1996, Facilitation of Bacterial Transport Through Porous Media by Changes in Solution and Surface Properties, Colloids and Surfaces A: Physicochemical and Engineering Aspects 107, 263-271.

Martin, M.J., Logan, B.E., Johnson, W.P., Jewett, D.J., and Arnold, R.G., 1996, Scaling Bacterial Filtration Rates in Different Sized Porous Media, ASCE, Journal of Environmental Engineering 122(5), 407-415.

Johnson, W.P., and Logan, B.E., 1996, Enhanced Transport of Bacteria in Porous Media by Sediment-Phase and Aqueous-Phase Natural Organic Matter, Water Research 30(4), 923-931.

Johnson, W.P., Blue, K.A., Logan, B.E., Arnold, R.G., 1995, Modeling Bacterial Detachment During Transport Through Porous Media as a Residence-Time-Dependent Process: Water Resources Research, 31(11), 2649-2658.