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abstracts (pre-2018; +=undergraduate student author, *=graduate student author, #=postdoc author)

    [173] - Brooks, P.D., Swetnam, T., Barnard, H., Singha, K., Harpold, A., Litvak, M. (2017). The dual role of vegetation as a constraint on mass and energy flux into the Critical Zone and as an emergent property of geophysical Critical Zone structure. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [172] - Jarvis, S.*, Barnard, H., Singha, K., Harmon, R.*, and Szutu, D. (2017). Spatial and temporal patterns in ecohydrological separation. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [171] - Sherman, T.*, Fakhari, A.#, Miller, S.*, Singha, K. and Bolster, D. (2017). Parameterizing the Spatial Markov model from breakthrough curve data alone. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [170] - Roy Chowdhury, S.*, Zarnetske, J.P., Briggs, M.A., Day-Lewis, F.D., and Singha, K. (2017). Numerical modeling of anaerobic microzones development in bulk oxic porous media: An assessment of different microzone formation processes. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [169] - Mahmood Poor Dehkordy, F.*, Briggs, M.A., Day-Lewis, F.D., Scruggs, C.R.+, Singha, K., Zarnetske J., Lane, J.W., and Bagtzoglou, A.C. (2017). Hyporheic less-mobile porosity and solute transport in porous media. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [168] - Hampton, T.B.*, Zarnetske, J.P., Briggs, M.A., Singha, K., and Day-Lewis, F.D. (2017). Investigating the role of hydrologic residence time in nitrogen transformations at the stream-groundwater interface using controlled variable head experiments. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [167] - Singha, K., Bandler, A.*, Pommer, R.E.*, Novitsky, C.*, Holbrook, S., Moore, J., and Navarre-Sitchler, A. (2017). An integrated geophysical and geochemical exploration of critical zone weathering on opposing montane hillslopes. EOS Trans. AGU Fall Meet. Suppl. Abstract. Invited.

    [166] - Harmon, R.*, Jarvis, S.*, Szutu, D., Barnard, H., Randell, J., Singha, K. (2017). Time Lapse Electrical Resistivity to Connect Evapotranspiration and Groundwater Fluxes in the Critical Zone. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [165] - Briggs, M.A., Day-Lewis, F.D., Mahmood Poor Dehkordy, F.*, Zarnetske J., Singha, K., Harvey, J., Rosenberry, D., Boutt, D., Hare, D., and Lane, J.W. (2017). Evaluating the ecological and biogeochemical implications of preferential flow processes at the groundwater/surface water interface. National Annual Meeting of the Geological Society of America, Oct. 22-25, 2017, Seattle, WA: GSA Abstracts with Programs.

    [164] - Day-Lewis, F.D., Singha, K., Briggs, M.A., Linde, N. and Haggerty, R. (2017). Geoelectrical monitoring of solute transport in dual-domain media: a review. National Annual Meeting of the Geological Society of America, Oct. 22-25, 2017, Seattle, WA: GSA Abstracts with Programs.

    [163] - Singha, K. (2017). How do we estimate hydrogeologic processes given maps of subsurface geologic properties? Pardee Keynote Symposium on "Earth Anatomy Revealed: Geologic Mapping for Our Future" at the National Annual Meeting of the Geological Society of America, Oct. 22-25, 2017, Seattle, WA: GSA Abstracts with Programs. Invited.

    [162] - Navarre-Sitchler, A., Eldam, R.* and Singha, K. (2017). Geochemical characterization of subsurface variation on contrasting hillslope aspects, Boulder Creek Critical Zone Observatory. AGU-SEG Hydrogeophysics Workshop on Imaging the Critical Zone, July 24-27, 2017, Stanford, CA. Invited.

    [161] - Harmon, R.*, Szutu, D., Barnard, H., Randell, J. and Singha, K. (2017). Electrical resistivity imaging to connect evapotranspiration and groundwater fluxes in the critical zone. AGU-SEG Hydrogeophysics Workshop on Imaging the Critical Zone, July 24-27, 2017, Stanford, CA.

    [160] - Briggs, M.A., Lane, J.W., Rosenberry, D.O., Day-Lewis, F.D., Harvey, J., Voytek, E.B.*, Dehkordy, F.M.P.*, Scruggs, C.+, Singha, K., and Zarnetske, J. (2017). Geophysical insight into multi-scale groundwater-surface water exchange processes. AGU-SEG Hydrogeophysics Workshop on Imaging the Critical Zone, July 24-27, 2017, Stanford, CA. Invited.

    [159] - Singha, K., Harmon, R.*, Mares, R.*, and Barnard, H. (2017). Examining diel patterns of soil and xylem moisture from the single-tree to hillslope scale. AGU-SEG Hydrogeophysics Workshop on Imaging the Critical Zone, July 24-27, 2017, Stanford, CA.

    [158] - Rey, D.*, Walvoord, M., Minsley, B., Singha, K., Jepsen, S., Rover, J. (2017). Investigating lake-area dynamics as a function of permafrost degradation Using airborne electromagnetic surveys in Yukon Flats, AK. Society of Engineering and Environmental Geophysics Annual Meeting, March 19-23, 2017, Denver, CO.

    [157] - Harmon, R.*, Szutu, D., Barnard, H., Randell, J. and Singha, K. (2017). Electrical resistivity to link evapotranspiration and groundwater fluxes in the critical zone. Society of Engineering and Environmental Geophysics Annual Meeting, March 19-23, 2017, Denver, CO.

    [156] - Ward, A.S., Gooseff, M.N., and Singha, K. (2017). Advancing the use of electrical geophysical techniques to characterize hyporheic and riparian transport. Society of Engineering and Environmental Geophysics Annual Meeting, March 19-23, 2017, Denver, CO. Invited.

    [155] - Parsekian, A., Claes, N.*, Singha, K., Minsley, B., Carr, B., Voytek, E.*, Harmon, R.*, Kass, M., Carey, A., Thayer, D.*, and Flinchum, B.* (2017). Measurement response and inverted results comparison between six electrical resistivity tomography instruments. Society of Engineering and Environmental Geophysics Annual Meeting, March 19-23, 2017, Denver, CO.

    [154] - Brantley, S., Kim, H., Lebedeva, M., Gu, X., Singha, K., and Stinchcomb G. (2016). Exploring nested reaction fronts to understand how oxygen cracks rocks, carbonic and sulfuric acids dissolve rocks, and water transports rocks during weathering. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [153] - Guryan, G.J.+, Malenda, H.F.*, Anderson, M.L. and Singha, K. (2016). Applications of ground penetrating radar for mapping fluvial sediments at the East River floodplain near Crested Butte, Colorado. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [152] - Harmon, R.*, Szutu, D., Barnard, H., Randell, J. and Singha, K. (2016). Connecting evapotranspiration and groundwater fluxes in the critical zone. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [151] - Moon, S., Perron, T., Martel, S., Holbrook, S., St. Clair, J.*, and Singha, K. (2016). Interplay between tectonics and topography: Topographic stress controls on bedrock fractures and surface processes. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [150] - Eldam, R.*, Navarre-Sitchler, A., Singha, K., and Moore, J. (2016). Slope-aspect control on geochemical weathering within the Boulder Creek Critical Zone Observatory. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [149] - Rice, A.K.*, and Singha, K. (2016). Groundwater-quality impacts from natural-gas wellbore leakage: numerical sensitivity analysis of hydrogeologic, geostatistical, and source-term parameterization at varying depths. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [148] - Malenda, H.F.*, Guryan, G.+, Stauffer, S., Rowland, J., Hawn, J.+ and Singha, K. (2016). A meander-scale field investigation of linkages between fluvial geomorphology and patterns in hyporheic exchange. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [147] - Voytek, E.B.*, Revil, A. and Singha, K. (2016). Evaluating groundwater flow using passive electrical measurements. EOS Trans. AGU Fall Meet. Suppl. Abstract. Invited.

    [146] - Dehkordy, F.M.P.*, House, B.*, Briggs, M., Singha, K., Day-Lewis, F.D., Zarnetske, J., and Lane, J.W. (2016). Studying exchange with less-mobile porosity at the laboratory scale: Experimentation and COMSOL simulation. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [145] - Ward, A.S., Schmadel, N.M.#, Wondzell, S.M., Gooseff, M.N. and Singha, K., (2016). Dynamic connectivity in the river corridor. EOS Trans. AGU Fall Meet. Suppl. Abstract. Invited.

    [144] - Ulmer, K.+, Malenda, H.F.*, and Singha, K. (2016). Identifying variations in hydraulic conductivity on the East River at Crested Butte, CO. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [143] - Sparacino, M.S.*, Rathburn, S.L., and Singha, K. (2016). Monitoring the effects of river realignment on the Upper Colorado River, Rocky Mountain National Park. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [142] - Guryan, G.J.+, Malenda, H.F.*, Anderson, M.L. and Singha, K. (2016). A geophysical investigation of the sediment facies of the East River floodplain near Crested Butte, Colorado. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [141] - Harmon, R.*, Szutu, D., Barnard, H., Randell, J. and Singha, K. (2016). Connecting evapotranspiration and groundwater fluxes in the critical zone. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [140] - Rey, D.* and Singha, K. (2016). Exploring the effect of climactic perturbations on basin scale hydrology in the Indian Wells Valley. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [139] - Rice, A.K.*, and Singha, K. (2016). Numerical analysis of groundwater quality impacts from natural gas wellbore leakage below freshwater aquifers. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [138] - Voytek, E.B.*, Clow, D. and Singha, K. (2016). Evaluating seasonal variation of groundwater flow through an alpine meadow using passive electrical potential measurements. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [137] - Malenda, H.F.*, Williams, K., Rowland, J. and Singha, K. (2016). Real rivers have curves: A field investigation quantifying river sinuousity’s effect on hyporheic exchange. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [136] - Eldam, R.*, Navarre-Sitchler, A., Singha, K., and Moore, J. (2016). Evaluating control of slope-aspect on geochemical weathering within the Boulder Creek Critical Zone Observatory. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [135] - González-Pinzón, R., Ward, A.S., Hatch, C.E., Wlostowski, A. N.*, Singha, K., Gooseff, M.N., Haggerty, R., Harvey, J.W., Cirpka, O.A., and Brock, J. (2016). A field comparison of multiple techniques to quantify surface water – groundwater interactions. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs. Invited.

    [134] - Foster, A. III+, House, B.*, Cardenas, M.*, Sleevi, M.+, Singha, K. (2016). Exploring controls on “anomalous” solute transport in column experiments. National Annual Meeting of the Geological Society of America, Sept. 25-28, 2016, Denver, CO: GSA Abstracts with Programs.

    [133] - Voytek, E.*, Rushlow, C.*, Godsey, S., Singha, K. (2016). Geophysical identification of hydrologic flow paths on arctic hillslopes. XI. International Conference on Permafrost, 20-24 June 2016, Potsdam, Germany.

    [132] - Bandler, A.*, Magill, R. C.*, Hendricks, S.+, Singha, K. (2016). Aspect controls on bedrock fracturing and seismic velocity within the Boulder Creek Critical Zone Observatory. National Groundwater Association Groundwater Summit, April 24-26, 2016, Denver.

    [131] - Rice, A.K.* and Singha, K. (2016). Numerical analysis of groundwater quality impacts from hydraulic fracturing wellbore leakage. National Groundwater Association Groundwater Summit, April 24-26, 2016, Denver.

    [130] - Ward, A.S., Schmadel, N.M., Wondzell, S.M., Gooseff, M.N., Singha, K., Harman, C., Haggerty, R. (2016). An inductive model of hyporheic flowpath geometry and dynamics during baseflow recession. EGU General Assembly, 17-22 April 2016, Vienna. Invited.

    [129] - Voytek, E.B.* and Singha, K., (2016). Evaluating seasonal variation of groundwater flow through an alpine meadow using passive electrical measurements. Symposium on the Application of Geophysics to Engineering and Environmental Problems, March 20-24, 2016, Denver, CO.

    [128] - Bandler, A.*, Magill, R. C.*, Hendricks, S.+, Singha, K. (2016). Aspect controls on weathering and permeability in the montane Critical Zone. Symposium on the Application of Geophysics to Engineering and Environmental Problems, March 20-24, 2016, Denver, CO.

    [127] - Johnston, A.* and Singha, K., (2016). A combined geophysical and geochemical approach to characterizing the flow of acid mine drainage water from an abandoned mine to a headwater mountain stream in Colorado, USA. Symposium on the Application of Geophysics to Engineering and Environmental Problems, March 20-24, 2016, Denver, CO.

    [126] - Percy, M.*, Singha, K., Benninger, L., Riveros-Iregui, D., (2015). Trends in soil moisture reflect more than slope position: Soils on San Cristóbal Island, Galápagos as a case study. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [125] - Ward, A.S., Schmadel, N.M., Wondzell, S.M., Harman, C., Gooseff, M.N., and Singha, K. (2015). Hyporheic transport in headwater mountain streams is time-invariant in locations where geologic controls dominate hydrologic forcing. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [124] - Riveros-Iregui, D., Schmitt, S.,*, Percy, M.*, Hu, J., Singha, K. and Mirus, B.B. (2015). Disturbance hydrology in the tropics: The Galápagos Islands as a case study. EOS Trans. AGU Fall Meet. Suppl. Abstract. Invited.

    [123] - Moon, S.#, Perron, J.T., Martel, S., Holbrook, W.S., St. Clair, J., and Singha, K. (2015). Three-dimensional topographic stress controls on bedrock fractures and landscape evolution. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [122] - Voytek, E.*, Rushlow, C.*, Godsey, S., Singha, K. (2015). Identifying hydrologic flowpaths on arctic hillslopes using electrical resistivity and self potential. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [121] - Bandler, A.*, Magill, R. C.*, Hendricks, S.+, Singha, K. (2015). Aspect controls on bedrock fracturing and seismic velocity within the Boulder Creek Critical Zone Observatory. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [120] - Ward, A.S., Schmadel, N.M., Wondzell, S.M., Harman, C., Gooseff, M.N., and Singha, K. (2015). Hyporheic transport in headwater mountain streams is time-invariant in locations where geologic controls dominate hydrologic forcing. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [119] - Hendricks, S.+, Bandler, A.*, Singha, K. (2015). Assessing aspect control on adjacent weathering hillslopes using seismic anisotropy velocity models within the Boulder Creek Critical Zone Observatory, Colorado. Geological Society of America Fall Meeting, Abstracts with Programs, November 1-4, 2015, Baltimore.

    [118] - Sainvil, A.+, Voytek, E.*, Singha, K., Barnard, H. (2015). Using the self potential method to analyze the spatial and temporal variation of shallow groundwater flow through meadows within the Boulder Creek Critical Zone Observatory in Boulder, Colorado. Geological Society of America Fall Meeting, Abstracts with Programs, November 1-4, 2015, Baltimore.

    [117] - Percy, M.*, Singha, K., Benninger, L., Riveros-Iregui, D., (2015). Trends in soil moisture reflect more than slope position: Soils on San Cristóbal Island, Galápagos as a case study. Geological Society of America Fall Meeting, Abstracts with Programs, November 1-4, 2015, Baltimore.

    [116] - Voytek, E.*, Rushlow, C.*, Godsey, S., Singha, K. (2015) Identifying hydrologic flowpaths on arctic hillslopes using electrical resistivity and self potential. Society of Exploration Geophysics Annual Meeting, Oct 18-23, 2015, New Orleans. Invited.

    [115] - Sainvil, A.+, Voytek, E.*, Singha, K., Barnard, H. (2015). Using the self potential method to analyze the spatial and temporal variation of shallow groundwater flow through meadows within the Boulder Creek Critical Zone Observatory in Boulder, Colorado. National Association of Black Geoscientists Technical Conference, September 9-12, 2015, Houston.

    [114] - Eldam, R.*, Navarre-Sitchler, A., Singha, K., Hinckley, E. (2015). Geochemical depth characterization of the Boulder Creek CZO. Goldschmidt, August 6-21, 2015, Prague.

    [113] - González-Pinzón, R., Ward, A.S., Hatch, C.E., Wlostowski, A. N., Singha, K., Gooseff, M.N., Haggerty, R., Harvey, J.W., Cirpka, O.A., and Brock, J. (2015). Techniques to quantify surface water–groundwater exchange and shallow subsurface transport. Novel Methods for Subsurface Characterization and Monitoring: From Theory to Practice International Conference (NovCare), Lawrence, KS, June 2015.

    [112] - Wilson, S.*, Stets, E., Clow, D., and Singha, K. (2015). End member mixing analysis: source contributions to Andrews Creek, Rocky Mountain National Park, USA, Rocky Mountain National Park Continental Divide Research Learning Center Biennial Research Conference, March 4-5, 2015, Estes Park, CO.

    [111] - Smull, E.*, Gooseff, M.N., and Singha, K., (2014). Groundwater Contributions to Intermittent Streamflow in a Headwater Catchment: How do Geoclimatic Controls Influence Downstream Water Quality? EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [110] - Gonzalez-Pinzon, R., Ward, A.S., Hatch, C., Wlostowski, A.N.*, Singha, K., Gooseff, M.N., Haggerty, R., Harvey, J.W., Cirpka, O.A. and Brock J.T. (2014). A field comparison of techniques to quantify surface water – groundwater interactions. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [109] - Sullivan, P.L.#, Hynek, S.#, Singha, K., White, T., Gu, X., Duffy, C., and Brantley, S.L. (2014). The Interplay of Regolith Evolution and Watershed Hydrodynamics on Shale Weathering Fluxes, EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [108] - Meixner, T., Manning, A., Stonestrom, D., Ajami, H., Allen, D., Blasch, K., Brookfield, A., Castro, C., Clark, J.F., Gochis, D., Flint, A., Neff, K., Niraula, R., Rodell, M., Scanlon, B., Singha, K., and Walvoord M. (2014). Implications of Prospective Climate Change for Groundwater Recharge in the Western United States. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [107] - Moon, S.#, St. Clair, J.*, Perron, T., Martel, S., Holbrook, S., and Singha, K. (2014). Modeling three-dimensional topographic stress and its effects on bedrock fractures. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [106] - St. Clair, J.*, Moon, S.#, Holbrook, W.S., Perron, T., Martel, S., and Singha, K. (2014). Topography, stress, and fracture permeability in the Critical Zone, EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [105] - Romero, J.+, Feist, R.*, Huffington, R.M., Barnard, H., and Singha, K. (2014). Using electric resistivity imaging to examine soil moisture and tree transpiration interactions. Geological Society of America Fall Meeting, Abstracts with Programs Vol. 46, No. 6, October 19-22, 2014, Vancouver.

    [104] - Gooseff, M.N., Wlostowski, A.*, Singha, K., Ward, A., McGlynn, B., and Burgos, W. (2014). Quantifying Stream-Groundwater Interactions and Biogeochemical Cycling at Several Spatial and Temporal Scales, Goldschmidt, June 8-13, 2014, Sacramento, CA.

    [103] - Sullivan, P. L.#, Goddéris, Y., Shi, Y., Singha, K., Clarke. B.#, Schott, J., Duffy, C.J., Brantley, S.L., (2014). Shale to Regolith Evolution: The Controls on Catchment Solute Fluxes. EGU Annual Meeting.

    [102] - Singha, K., Clarke, B.A.#, Sullivan, P.L.#, Chattopadhyay, P.B.#, Brantley, S.L. (2013). Geologic controls on fracture distributions within the Shale Hills Critical Zone Observatory. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [101] - Baldwin, D.*, Miller, D., Singha, K., Davis, K.J, and Smithwick, E. (2013). Improving estimates of root-zone soil water content using soil hydrologic properties and remotely sensed soil moisture. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [100] - Swanson, R.*, Binley, A., Keating, K., France, S.*, Osterman, G.*, Day-Lewis, F.D., Singha, K. (2013). Anomalous Solute Transport in Saturated Porous Media: Linking Transport Model Parameters to Electrical and Nuclear Magnetic Resonance Properties. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [99] - Perron, J.T., Martel, S. J., Singha, K., and Slim, M.* (2013). Feedbacks between topographic stress and drainage basin evolution. EOS Trans. AGU Fall Meet. Suppl. Abstract.

    [98] - Day-Lewis, F.D.,and K. Singha (2013). Geophysical Characterization and Monitoring for Anomalous Transport. EOS Trans. AGU Fall Meet. Suppl. Abstract. Invited.

    [97] - Perron, J.T., Slim, M.*, Martel, S. J. and Singha, K. (2013). Topographic stress and rock fracture in the deep critical zone. National Annual Meeting of the Geological Society of America, Oct. 27-30, 2013, Denver, CO: GSA Abstracts with Programs. Invited.

    [96] - Kaproth-Gerecht, K.*, Ebel, B., and Singha, K. (2013). Impact of Burning on Soil Infiltration and Flow Characteristics at the Laboratory Scale. National Annual Meeting of the Geological Society of America, Oct. 27-30, 2013, Denver, CO: GSA Abstracts with Programs.

    [95] - Singha, K. (2013). Electrical monitoring of solute transport at the Cape Cod Toxic Substances Hydrology Field Site: A 10-Year retrospective on what can be accomplished with 6000 gallons of sodium chloride tracer and a car battery. National Annual Meeting of the Geological Society of America, Oct. 27-30, 2013, Denver, CO: GSA Abstracts with Programs.

    [94] - Williams, M.R.*, A.R. Buda, K. Singha, and H.A. Elliott (2013). Imaging riparian seepage zones using electrical resistivity: linking hydrology and nitrogen transport. American Society of Agricultural and Biological Engineers International Meeting, July 21 – 24, 2013. Kansas City, Missouri.

    [93] - Singha, K., Fitzgerald, M.#, Swanson, R.*, Voltz, T.*, Ward, A.* (2013). Electrical Identification of Parameters Controlling the Good, the Bad and the Ugly of Solute Transport. The Symposium for the Application of Geophysics to Environmental and Engineering Problems (SAGEEP), 17-21 March, Denver, CO Invited.

    [92] - Padilla, E.*, Ebel, B., and Singha, K. (2013). Hydrogeophysical Characterization of Subsurface Hydrologic Response Following the 2010 Fourmile Canyon Fire in Colorado. The Symposium for the Application of Geophysics to Environmental and Engineering Problems (SAGEEP), 17-21 March, Denver, CO.

    [91] - Swanson, R.*, Singha, K., Day-Lewis, F.D., Binley, A., Keating, K., Haggerty, R. (2013). Direct Geoelectrical Evidence of Mass Transfer at the laboratory scale. The Symposium for the Application of Geophysics to Environmental and Engineering Problems (SAGEEP), 17-21 March, Denver, CO.

    [90] - Urban, R.L.*, Reed, P.M., Singha, K. (2012). Big trouble in a little box: Can we distinguish groundwater transport hypotheses given observational uncertainties? EOS Trans. AGU 93(52) Fall Meet. Suppl. Abstract H11D-1362.

    [89] - Ward, A. S.*, Gooseff, M.N., Singha, K.. (2012). Time series analysis of geophysical images to quantify subsurface transport of solute plumes. EOS Trans. AGU 93(52) Fall Meet. Suppl. Abstract H53B-1526 Invited.

    [88] - Gooseff, M.N., M. Taptich, A. Wlostowski*, K. Gerecht, R. Payn, A. Ward, W. B. Bowden, M. Fitzgerald#, B. McGlynn, Singha, K. W. Wollheim (2012). Connecting Streams to Watersheds Through Stream–Groundwater Exchange as Determined from the Channel. EOS Trans. AGU 93(52) Fall Meet. Suppl. Abstract PA53A-2077 Invited.

    [87] - Swanson, R.*, Binley, A., Keating K., Haggerty, R., Day-Lewis, F.D., Singha, K. (2012). The response of complex and direct-current electrical methods within a multirate non-Fickian solute transport framework. EOS Trans. AGU 93(52) Fall Meet. Suppl. Abstract H33D-1353.

    [86] - Chattopadhyay, P. B.#, Singha, K., Gooseff, M.N. (2012). Exploring controls on saline tracer movement within the hyporheic zone using finite-element modeling and electrical resistivity. EOS Trans. AGU 93(52) Fall Meet. Suppl. Abstract H11E-1242.

    [85] - Singha, K., White, T., Perron, J. T., Chattopadhyay, P. B.#, Duffy, C. (2012). Fracture Patterns within the Shale Hills Critical Zone Observatory. EOS Trans. AGU 93(52) Fall Meet. Suppl. Abstract EP41I-04 Invited.

    [84] - Ward, A. S.*, Gooseff, M.N., Voltz, T.*, Fitzgerald, M.#, Singha, K. (2012). How do short- and long-term storage change during storm events in a headwater mountain stream? National Annual Meeting of the Geological Society of America, 4-7 November 2012, Charlotte, NC.

    [83] - Swanson, R.*, Singha, K.., Day-Lewis, F.D., Binley, A., Haggerty, R., Clifford, J.*, Keating K. (2012). Electrical Evidence for Mass Transfer at the Lab Scale. SEG-AGU Workshop on Hydrogeophysics, Boise ID, 9-12 July 2012.

    [82] - Jacob, R., Singha, K., (2012). Micro-gravity measurements to constrain permeability in the Shale Hills Critical Zone Observatory, SEG-AGU Workshop on Hydrogeophysics, Boise ID, 9-12 July 2012.

    [81] - Ward, A.S.*, Fitzgerald, M.R.# Voltz, T.J.*, Gooseff, M.N., and Singha, K. (2012). Geophysical imaging to inform hyporheic solute transport dynamics. European Geosciences Union, Vienna, 22-27 April 2012. Invited.

    [80] - Hagarty, J.*, Voegborlo, R., Smithwick, E., and Singha, K. (2011). Land Use, Water Quality, and Incidence of Buruli Ulcer in Gold-Mining Regions of Ghana. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract H32C-08.

    [79] - Gerecht, K.*, Gooseff, M.N., Singha, K. (2011). Reservoir Removal Impacts on Upstream Stream-Groundwater Communication. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract H43N-08.

    [78] - Regberg, A. B.*, Singha, K., Brantley, S. L., (2011). Using Reactive Transport Modeling to Better Understand Changes in Electrical Conductivity Associated with Bacterial Growth and Respiration. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract B23D-07.

    [77] - Day-Lewis, F.D., R. Haggerty, K. Singha, A.M. Binley, R.D. Swanson*, J. Clifford*, J.W. Lane, Jr., and A. Ward (2011). Pore Network Simulation to Develop Electrical Petrophysical Relations in the Presence of Mass Transfer. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract NS13A-02. Invited.

    [76] - Singha, K. (2011). Development of a summer field-based hydrogeology research experience for undergraduates. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract ED43B-0554.

    [75] - Urban, R.L.*, Reed, P.M., Singha, K. (2011). Exploring the worth of geophysical data for characterizing three dimensional transport and heterogeneity in laboratory aquifer experiment. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract H43E-1261.

    [74] - Slim, M.*, Perron, T., Martel, S., and Singha, K. (2011). Influence of Topographic Stress on Rock Fracture: a Numerical Model for Arbitrary Surface Topography and Comparison with Borehole Observations. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract EP23C-751.

    [73] - Swanson, R.*, Singha, K., Day-Lewis, F.D., Binley, A., Haggerty, R., Clifford, J.*, Keating K., (2011). Direct Geoelectrical Evidence of Mass Transfer at the Lab scale. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract H43E-1258.

    [72] - Gooseff, M.N., A.S. Ward*, R.A. Payn, T. Voltz*, E. Bernzott, M. Fitzgerald#, B.L. McGlynn, K.E. Bencala, S.M. Wondzell, K. Singha, and D.M. McKnight, (2011). Stream-Groundwater Interactions in Streams Wetting Up and Drying Down. EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract H53P-03. Invited.

    [71] - Ward, A.S.*, Gooseff, M.N., Voltz, T.J.*, Fitzgerald, M.R.# and Singha, K. (2011). How does valley-bottom hydrology control stream-aquifer interactions in a headwater mountain stream? EOS Trans. 92(53) AGU Fall Meet. Suppl. Abstract H54F-01. Invited.

    [70] - Irving, J., Scholer, M.*, and Singha, K. (2011). Stochastic inversion of dynamic geophysical and hydrological data for estimating subsurface hydrological properties: insights and observations. Lorentz Center Workshop on Uncertainty Analysis in Geophysical Inverse Problems, 7-11 Nov 2011, Netherlands.

    [69] - Mercuri, M.*, Toran, L., Nyquist, J., Kuntz, B.*, and Singha, K. (2011). Using Groundwater Models to Understand the Effects of Fractures on the Transport of Solutes at the Shale Hills Critical Zone Observatory. National Annual Meeting of the Geological Society of America, Oct. 9-12, 2011, Minneapolis, MN: GSA Abstracts with Programs.

    [68] - Diop, F.+, Gerecht, K.*, Singha, K. (2011). Communication between a stream and its surrounding aquifer based on solute mass balance from a tracer test in Lake Perez, Pennsylvania, The National Technical Association, Sept 14-16, Howard University, Washington D.C.

    [67] - Larson, L.*, Fitzgerald, M.#, Herwehe, L.*, Singha, K., Gooseff, M. and Burgos, B. (2011). Electrical resistivity imaging of a deep coal mine discharge. Goldschmidt, August 14-19, 2011, Prague, Czech Republic.

    [66] - Ward, A.S.*, Gooseff, M.N., Fitzgerald, M.R.#, Binley, A.M., Voltz, T.J.*, and Singha, K. (2011). How do solutes move through hyporheic zones? Using 3-dimensional geophysical imaging to quantify transport processes in headwater streams, North American Benthological Society Annual Meeting, May 22 – 26, 2011, Providence, RI.

    [65] - Singha, K., Fitzgerald, M.#, Gerecht, K.*, Voltz, T.*, Ward, A.S.*, and Gooseff, M.N. (2011). An Exploration of Stream-Riparian Groundwater Exchange During Baseflow Recession: Integration of Hydrologic and Geophysical Data. National Ground Water Association Annual Meeting, May 1-5, 2011, Baltimore, MD.

    [64] - Smithwick, E.A.H., Hagarty, J.*, Voegborlo, R., and Singha, K. (2011). Quantifying environmental and landscape drivers of disease emergence: Buruli Ulcer in Ghana. Association of American Geographers Annual Meeting, April 12-16, Seattle, WA.

    [63] - Singha, K., Li, L., Day-Lewis, F.D. and Regberg, A.B.* (2010). Hydrogeophysical monitoring of transport processes: Are chemically “conservative” tracers electrically conservative? EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H13G-01. Invited.

    [62] - Swanson, R.*, Singha, K., Pidlisecky, A., Hyndman, D.W., Butler, J., and Bohling, G. (2010). A Geoelectrically Monitored Tracer Test At The Macrodispersion Experiment (MADE) Site In Columbus, Mississippi. EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H23C-1193.

    [61] - Irving, J. and Singha, K. (2010). Stochastic fusion of dynamic hydrological and geophysical data for estimating hydraulic conductivities: insights and observations. EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H23L-03.

    [60] - Ward, A.S.*, Fitzgerald, M.#, Voltz, T.*, Gooseff, M.N. and Singha, K. (2010). Geophysical imaging to inform hyporheic flow and solute transport dynamics in 2- and 3-dimensions. EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H21K-03. Invited.

    [59] - Voltz, T.*, Ward, A.S.*, Fitzgerald, M.#, Gooseff, M.N., Singha, K., and Wagener, T. (2010). How Do Relative Magnitudes of Down- and Cross-valley Hydraulic Gradients Vary with Flow Dynamics? Analysis over daily, storm, and seasonal baseflow recession timescales. EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H31J-03.

    [58] - Ward, A.S.*, Voltz, T.*, Fitzgerald, M.#, Gooseff, M.N. and Singha, K. (2010). How do storm dynamics change solute transport and transient storage in headwater streams? EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H31J-04.

    [57] - Fitzgerald, M.#, Ward, A.S.*, Voltz, T.*, Singha, K., and Gooseff, M.N. (2010). Does Electrical Resistivity Imaging mesh with solute transport data obtained from tracer studies in hyporheic zones? EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H11E-0853.

    [56] - Pidlisecky, A., Singha, K., and Day-Lewis, F. D. (2010). A distribution-based parameterization for difference tomographic imaging of solute plumes. EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H13G-08.

    [55] - Gooseff, M.N, Bencala, K., Bowden, B., McGlynn, B., Payn, R., Singha, K., Ward, A.*, Wlostowski, A*., and Wollheim, W. (2010). Context Conundrums: Observations and Conceptual Models are Primary Controls on Interpretations of Temporal and Spatial Scales of Stream-Groundwater Interactions. EOS Trans. AGU 91(52), Fall Meet. Suppl. Abstract. H33J-01. Invited.

    [54] - Regberg, A.*, Singha, K., Bond, D. R., Zheng, Q., Picardal, F., Roden, E. E., and Brantley, S. (2010). Using direct-current and complex electrical conductivity to monitor biogeochemical redox reactions. Goldschmidt, June 13-18, 2010, Knoxville, Tennessee.

    [53] - Day-Lewis, F.D., Singha, K., Haggerty, R., Ward, A., Binley, A., Lane, J.W., Jr., Clifford, J.* and Swanson, R.* (2010). Geoelectrical Measurement of Multi-Scale Mass Transfer Parameters. U.S. Department of Energy Environmental Sciences Remediation Program Annual Meeting, March 29-31, 2010, Washington, DC.

    [52] - Regberg, A.*, Singha, K., Bond, D. R., Zheng, Q., Picardal, F., Roden, E. E., and Brantley, S. (2010). Quantifying the effect of dissimilatory iron reduction on bulk electrical properties: Does iron reduction increase electrical conductivity? Annual American Chemical Society Meeting, March 21-25, 2010, San Francisco.

    [51] - Ward, A.S.*, M.N. Gooseff, and K. Singha (2010). Temporal moment analysis to inform stream-aquifer solute transport processes. Penn State College of Engineering Research Symposium, April 1, 2010, University Park, PA.

    [50] - Singha, K., Kuntz, B.*, and Toran, L. (2009). Exploring Lithologic Controls on Solute Transport at the Shale Hills Critical Zone Observatory. EOS Trans. AGU 90(52), Fall Meet. Suppl. Abstract. EP52B-03. Invited.

    [49] - Kuntz, B.* and Singha, K. (2009). Solute transport in shale and shale-derived soils at the Shale Hills CZO. EOS Trans. AGU 90(52), Fall Meet. Suppl. Abstract. H33H-0985.

    [48] - Ward, A.S.*, M.N. Gooseff, and K. Singha (2009). Imaging Hyporheic Zone Solute Transport Using Electrical Resistivity. EOS Trans. AGU 90(52), Fall Meet. Suppl. Abstract. H43C-1039.

    [47] - F.D. Day-Lewis, L.D. Slater, R.J. Versteeg, T.C. Johnson, D. Ntarlagiannis, K. Mwakanyamale, K. Singha, A. Ward, J.W. Lane, Jr., W. R. Major. (2009). Geophysical Characterization and Monitoring of Hydrologic Properties and Processes: Recent Advances and Case Studies. Interagency Steering Committee on Multimedia Environmental Modeling. Oct 13-15, 2009, Washington D.C. Invited.

    [46] - Singha, K., Regberg, A.*, Day-Lewis, F.D. (2009) Can electrical geophysics help quantify reaction rates in situ? Penn State Center of Environmental Kinetics Analysis Annual All-Hands Meeting. Oct 1, 2009. Invited.

    [45] - Ward, A.S.*, K. Singha, and M.N. Gooseff (2009). Assessment of Stream-Aquifer Interactions using Electrical Geophysics. PA Land Conservation Conference, May 7-9, 2009, University Park, PA.

    [44] - Nimmo, J. R., K.S. Perkins, K.M. Schmidt, D.M. Miller, J.D. Stock, and K. Singha, (2009). Electrical Resistance Imaging for Evaluation of Soil-Water Behavior in Desert Ecosystems. EOS Trans. AGU 90(22) Spring Meet. Suppl. Abstract. NS13B-04 Invited.

    [43] - Regberg, A.*, Singha, K., Brantley, S. (2009). Electrical Conductivity Associated with Dissimilatory Iron Reduction: Are Microbial Biofilms Conductive? Goldschmidt, June 21-26, 2009, Davos, Switzerland.

    [42] - Singha K., Regberg, A.*, Picardal, F., Roden, E., and Brantley S. (2009). Toward quantifying kinetics of biotic and abiotic metal reduction with electrical geophysical methods. U.S. Department of Energy Environmental Sciences Remediation Program Annual Meeting, April 20-23, 2009, Landsdowne, Virginia.

    [41] - Ward, A.S.*, Singha, K., and M.N. Gooseff (2009). Characterization of hyporheic solute transport during tracer tests using electrical geophysics. N. American Benthological Society Meeting, May 17-22, Grand Rapids, Michigan.

    [40] - Irving, J., Singha, K., and Holliger, K. (2008). Stochastic integration of crosshole resistivity and tracer test data for improving hydrological predictions. EOS Trans. AGU 89(53), Fall Meet. Suppl. H51M-03. Invited.

    [39] - Day-Lewis, F.D., Johnson, T.C., Singha, K., Henderson, R.D.*, and Versteeg, R.J. (2008). Using tomograms for quantitative interpretation of processes and properties. EOS Trans. AGU 89(53), Fall Meet. Suppl. IN51C-1171. Invited.

    [38] - Regberg, A.*, Zheng, Q., Picardal, F., Singha K., and Brantley S.(2008). Anomalous electrical signals associated with microbial activity: results from iron- and nitrate-reducing columns. EOS Trans. AGU 89(53), Fall Meet. Suppl. H33G-1115.

    [37] - Singha K., Regberg, A.*, Brantley S., and Tien, M. (2008). Toward quantifying kinetics in the field: where we are and what we need. AGU Chapman Conference on Biogeophysics, Oct 13-16, Portland, Maine. Invited.

    [36] - Regberg, A.*, Singha K., Brantley S., and Tien, M. (2008). Interpreting changes in fluid conductivity due to the reductive dissolution of iron oxides. AGU Chapman Conference on Biogeophysics, Oct 13-16, Portland, Maine.

    [35] - Singha, K., Day-Lewis, F.D., Pidlisecky, A. and Gooseff, M. N. (2008). Characterization of non-Fickian transport in ground-water and hyporheic systems Using electrical geophysics, National Annual Meeting of the Geological Society of America, Oct. 5-9, 2008, Houston, TX: GSA Abstracts with Programs.

    [34] - Nimmo, J. R., K.S. Perkins, B.B. Mirus*, K.M. Schmidt, J.D. Stock, D.M. Miller, and K. Singha, (2008). Ecohydrologic roles of small-scale lateral soil heterogeneity in arid environments, Ecological Society of America Meeting, Aug 3-8, 2008, Milwaukee, Wisconsin.

    [33] - Nimmo, J. R., K.S. Perkins, B.B. Mirus*, K.M. Schmidt, J.D. Stock, D.M. Miller, and K. Singha, (2008). Indices of soil water availability for diverse water-limited ecosystems. International Hydropedology Conference, July 28-31, 2008, University Park, PA.

    [32] - Regberg, A.*, Singha K., Brantley S., and Tien, M. (2008). Using conductivity to measure iron reduction rates from flask to field. Goldschmidt 2008, July 13-18, Vancouver, Canada.

    [31] - Singha, K., Day-Lewis, F.D., and Lane, J.W., Jr. (2008). Geoelectrical evidence of bicontinuum transport in groundwater, American Society of Civil Engineers' Environmental and Water Resources Institute World Environmental and Water Resources Congress May 13-16, 2008, Honolulu, HI.

    [30] - Kuntz, B.* and Singha, K. (2008). Quantifying the processes controlling turbulent flow during pumping tests. Pennsylvania Council of Professional Geologists' Annual Meeting, Camp Hill, PA, May 7, 2008.

    [29] - Day-Lewis, F.D. and Singha, K. (2007). Near-surface geophysical data integration, EOS Trans. AGU Fall Meet. Suppl. 88(52), Abstract NS43A-01 Invited.

    [28] - Singha, K. , Day-Lewis, F.D., and Lane, J.W., Jr. (2007). Geoelectrical evidence of bicontinuum transport in groundwater, EOS Trans. AGU Fall Meet. Suppl. 88(52), Abstract H12C-02.

    [27] - Regberg, A.*, Brantley, S., Singha, K., and Tien, M. (2007). Electrical signatures associated with abiotic and in vitro dissimilatory iron reduction. EOS Trans. AGU, Spring Meet. Suppl. 88(23), Abstract NS44A-06.

    [26] - Culkin, S.* and Singha, K. (2007). Understanding aquifer storage and recovery efficiency in a clastic-limestone aquifer, Charleston, South Carolina. 42nd Annual Meeting of the Northeastern Section of Geological Society of America, March 12-14, 2007, Durham, NH: GSA Abstracts with Programs.

    [25] - Regberg, A.*, Brantley, S., and Singha, K. (2006). Imaging dissimilatory iron reduction with hydrogeophysical tools: scaling up from the beaker to the field. EOS Trans. AGU, Fall Meet. Suppl. 87(52), Abstract B53B-0349.

    [24] - Singha, K. , Mirus, B.B.#, Nimmo, J. R., and K.S. Perkins (2006). Electrical resistivity imaging and quantification of water content distribution during infiltration and redistribution in soils. EOS Trans. AGU, Fall Meet. Suppl. 87(52), Abstract H31B-1416.

    [23] - Mirus, B.B.#, Nimmo, J. R., K.S. Perkins, and Singha, K. (2006). Representing the effects of lateral spreading during ponded infiltration: an inverse modeling approach. EOS Trans. AGU, Fall Meet. Suppl. 87(52), Abstract H31B-1423.

    [22] - Nimmo, J. R., K.S. Perkins, B.B. Mirus#, K.M. Schmidt, J.D. Stock, D.M. Miller, and K. Singha , (2006). Variation of desert soil hydraulic properties with pedogenic maturity. EOS Trans. AGU, Fall Meet. Suppl. 87(52), Abstract H11G-07.

    [21] - Luo, L.*, Lin, H., and K. Singha, (2006). Simulation of soil macropore networks using multi-point geostatistics. EOS Trans. AGU, Fall Meet. Suppl. 87(52), Abstract H13A-1371.

    [20] - Regberg, A.*, Brantley, S., and Singha, K. , (2006). Toward imaging biogeochemical reaction rates in the subsurface with hydrogeophysical tools, National Annual Meeting of the Geological Society of America, Oct. 22-25, 2006, Philadelphia, PA: GSA Abstracts with Programs 38(7).

    [19] - Day-Lewis, F.D., Lane, J.W., Jr., Singha, K. , and Versteeg, R.J. (2006). Toward minimally invasive performance monitoring: applications of time-lapse geophysical imaging to aquifer storage and recovery and engineered remediation, National Annual Meeting of the Geological Society of America, Oct. 22-25, 2006, Philadelphia, PA: GSA Abstracts with Programs 38(7) Invited.

    [18] - Luo, L.*, Lin, H., and Singha, K. (2006). Simulation of soil structure using improved pore-solid fractal models and multi-point geostatistics. 18th World Congress of Soil Science, July 9-15, 2006 - Philadelphia, Pennsylvania.

    [17] - Singha, K. (2006). Designing resistivity geometries for long term monitoring of hydrologic processes, EOS Trans. AGU 87(36), Spring Meet. Suppl. Abstract NS43B-04. Invited.

    [16] - Singha, K. and Day-Lewis, F.D., (2006). Quantifying spatially variable petrophysical relations in resistivity tomograms, EOS Trans. AGU 87(36), Spring Meet. Suppl. Abstract NS31B-06. Invited.

    [15] - Day-Lewis, F.D., Lane, J.W. Jr., and Singha, K. (2006). Electrical resistivity monitoring of voids: results of dynamic modeling experiments. EOS Trans. AGU 87(36), Spring Meet. Suppl. Abstract NS43A-06.

    [14] - Perkins, K.J., Nimmo, J.R., Winfield, K.A., Schmidt, K.M., Miller, D.M., Stock, J.D., and Singha, K. (2005). Field-measured infiltration properties of Mojave Desert soils. EOS Trans. AGU 86(47), Fall Meet. Suppl. Abstract H21E-1394.

    [13] - Day-Lewis, F.D., Singha, K., and Pidlisecky, A. (2005). Infusing hydrologic insight into geophysical inversion: moment- and object-based parameterization. EOS Trans. AGU 86(47), Fall Meet. Suppl. Abstract H13C-1349. Invited.

    [12] - Day-Lewis, F.D., Singha, K., Versteeg, R.J., Johnson, C.D., Petkewich, M.D., Richardson, A., and Rowe, T., and Lane, J.W., Jr. (2005). Toward real-time continuous, automated hydrogeophysical monitoring of aquifer storage and recovery: results of a pilot-scale experiment, Charleston, South Carolina. EOS Trans. AGU 86(47), Fall Meet. Suppl. Abstract H44C-01. Invited.

    [11] - Singha, K. and Gorelick, S.M. (2005). Tracking 3D tracer migration: non-stationary conditioning of resistivity tomograms to simulated concentrations. EOS Trans. AGU 86(47), Fall Meet. Suppl. Abstract H11D-1288.

    [10] - Lane, J.W., Jr., Day-Lewis, F.D., and Singha, K. (2005). Monitoring engineered in-situ treatment: a multi-scale hydrogeophysical approach, SERDP Partners in Environmental Technology Technical Symposium and Workshop, Nov 29-Dec 1, 2005, Washington, D.C.

    [9] - Nimmo, J.R., Perkins, K.J., Winfield, K.A., Schmidt, K.M., Miller, D.M., Stock, J.D., and Singha, K. (2005). Field-measured infiltration properties of Mojave Desert soils with varying degrees of pedogenesis, Annual Meeting, Soil Science Society of America, Nov 6-10, 2005, Salt Lake City, UT.

    [8] - Lin, H., Brantley, S. Bruns, M.A., Davis, K., Duffy, C., Kaye, J., Lynch, J., Parizek, D., Reed, P., Singha, K., Wagener, T. and White, T. (2005). The Shale Hills Catchment in Central Pennsylvania as a site for integrated studies of the Earth's critical zone: a summary. NSF Sponsored Frontiers In Exploration of the Critical Zone Workshop. University of Delaware, Newark, Delaware, October 24-26, 2005, p. 93-94.

    [7] - Singha, K. and Gorelick, S.M. (2005). Imaging 4-D hydrogeologic processes with geophysics: an example using crosswell electrical measurements to characterize a tracer plume. EOS Trans. AGU 86(18), Spring Meet. Suppl. Abstract NS33A-01. Invited.

    [6] - Singha, K. and Gorelick, S.M. (2004). Analysis of spatial moments from a nonreactive tracer using electrical resistivity tomography. EOS Trans. AGU 85(47), Fall Meet. Suppl. Abstract H17G-04.

    [5] - Singha, K. and Gorelick, S.M. (2004). Estimating spatial moments with electrical resistivity tomography: effect of spatially variable resolution during a saline tracer test. National Annual Meeting of the Geological Society of America, Nov 7-9, 2004, Denver, CO: GSA Abstracts with Programs 36(5).

    [5] - Lin, H. and Singha, K. (2004). Hydropedology: a sister discipline of hydrogeology. National Annual Meeting of the Geological Society of America, Nov 7-9, 2004, Denver, CO: GSA Abstracts with Programs 36(5).

    [4] - Day-Lewis, F.D., Singha, K., and Binley, A. (2003). On the pitfalls and limitations of applying petrophysical models to geophysical tomograms: examples in cross-borehole radar and electrical resistivity tomography. EOS Trans. AGU 85(17), Spring Meet. Suppl. Abstract NS13A-03. Invited.

    [3] - Singha, K. and Gorelick, S.M. (2003). Suitability of Archie's Law for interpreting electrical resistivity data. EOS Trans. AGU 84(46), Fall Meet. Suppl. Abstract H21A-05.

    [2] - Singha, K. and Gorelick, S.M. (2003). Quantitative appraisal of electrical resistivity tomography for monitoring saline tracer tests in heterogeneous sediments. National Annual Meeting of the Geological Society of America, Nov 2-5, 2003, Seattle, WA: GSA Abstracts with Programs 35(6).

    [1] - Singha, K., Binley, A.M, and Gorelick, S.M. (2002). Electrical imaging of tracer migration at the Massachusetts Military Reservation, Cape Cod. EOS Trans. AGU 83(47), Fall Meet. Suppl. Abstract H52B-0863.

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