abstracts (pre-2009; *=student author)

[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.