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Associate Professor, Department of Geology & Geophysics
Dr. Johnson’s research interests include geological engineering, hydrology, colloid transport, aqueous organic chemistry, nanoparticle transport in porous media and engineered microfluidic systems via experiments and mechanistic simulations. Experimental and analytical capabilities include AFM, TIRF, ICP-MS, and field flow fractionation. Simulation capabilities include parallelized CFD and particle trajectory analyses via force/torque balance.