Bridget R. Scanlon
Senior Research Scientist
Articles
Scanlon, B. R., et al. (2008), Impact of deep plowing on groundwater recharge in a semiarid region: Case study, High Plains, Texas, USA, Water Resour. Res., 44, doi:10.1029/2008WR006991, 11. [PDF]
Scanlon, B. R., R. C. Reedy, W. A. Jackson, and B. Rao (2008), Mobilization of naturally occurring perchlorate related to land-use change in the Southern High Plains, Texas, Env. Sci. & Tech., 42(23), 8648-8653. [PDF]
Scanlon, B. R., R. C. Reedy, and Bronson, K.F. (2008). "Impacts of land use change on nitrogen cycling archived in semiarid unsaturated zone nitrate profiles, southern High Plains, Texas." Environmental Science & Technology 42(20): 7566-7572. [PDF]
Cey, B. D., G. B. Hudson, J. E. Moran, and B. R. Scanlon (2008), Impact of artificial recharge on dissolved noble gases in groundwater in California, Environmental Science & Technology, 42, 1017-1023. [PDF]
Gates, J. B., W. M. Edmunds, J. Z. Ma, and B. R. Scanlon (2008), Estimating groundwater recharge in a cold desert environment in northern China using chloride, Hydrogeology Journal, 16, 893-910. [PDF]
Mukherjee, A., M. von Bromssen, B. R. Scanlon, P. Bhattacharya, A. E. Fryar, M. A. Hasan, K. M. Ahmed, D. Chatterjee, G. Jacks, and O. Sracek (2008), Hydrogeochemical comparison and effects of overlapping redox zones on groundwater arsenic near the Western (Bhagirathi sub-basin, India) and Eastern (Meghna sub-basin, Bangladesh) margins of the Bengal Basin, Journal of Contaminant Hydrology, 99, 31-48. [PDF]

Kurtzman D, Scanlon BR (2007) El Nino-Southern Oscillation and Pacific Decadal Oscillation impacts on precipitation in the southern and central United States: Evaluation of spatial distribution and predictions. Water Resources Research, 43. [PDF]

Reedy, R. C., Scanlon, B. R., Nicot, J.- P., and Tachovsky, J. A., 2007, Unsaturated zone arsenic distribution and implications for groundwater contamination: Environmental Science & Technology, v. 41, no. 20, p. 6914-6919. [PDF] [supporting information]
Rao, B.; Anderson, T. A.; Orris, G. J.; Rainwater, K. A.; Rajagopalan, S.; Sandvig, R. M.; Scanlon, B. R.; Stonestrom, D. A.; Walvoord, M. A.; Jackson, W. A. Widespread natural perchlorate in unsaturated zones of the southwest United States, Env. Sci. & Technol. 2007. [PDF] [supporting information] [news story]

Strassberg, G.; Scanlon, B. R.; Rodell, M. Comparison of seasonal terrestrial water storage variations from GRACE with groundwater-level measurements from the High Plains Aquifer (USA), Geophys. Res. Letters 2007, 34, doi:10.1029/2007GL030139. [PDF]

Scanlon, B. R.; Reedy, R. C.; Tachovsky, J. A. Semiarid unsaturated zone chloride profiles: archives of past land-use change impacts on water resources in the southern High Plains, United States, Water Resour. Res. 2007, 43, W06423, doi:10.1029/2006WR005769. [PDF]

Scanlon, B. R., I. M. Jolly, M. Sophocleous, and L. Zhang. 2007. Global impacts of conversions from natural to agricultural ecosystems on water resources: Quantity versus quality. Water Resour. Res., 43, W03437, doi:10.1029/2006WR005486. [PDF] [GEOTIMES article]

Scanlon, B. R., K. E. Keese, A. L. Flint, L. E. Flint, C. B. Gaye, M. Edmunds, and I. Simmers. 2006. Global synthesis of groundwater recharge in semiarid and arid regions. Hydrological Processes 20:3335-3370. [PDF]

Scanlon, B. R., R. C. Reedy, D. A. Stonestrom, and D. E. Prudic, 2005, Impact of land use and land cover change on groundwater recharge and quantity in the southwestern USA: Global Change Biology, 11, 1577–1593, doi: 10.1111/j.1365-2486.2005.01026.x. [PDF]

Keese, K. E., Scanlon, B. R., and Reedy, R. C., 2005, Assessing controls on diffuse groundwater recharge using unsaturated flow modeling: Water Resources Research, v. 41, W06010, doi:10.1029/2004WR003841, 12 p. [PDF]

Scanlon, B. R., D. G. Levitt, K. E. Keese, R. C. Reedy, and M. J. Sully, 2005, Ecological controls on water-cycle response to climate variability in deserts: Proceedings of the National Academy of Science, v. 102, no. 17, p. 6033–6038. [PDF]
Supporting online material: Effect of Lysimeter Lower Boundary Condition on Measured Water Balance
[PDF]  [UT Press Release]

Scanlon, B. R., R. C. Reedy, K. E. Keese, and S. F. Dwyer, 2005, Evaluation of evapotranspirative covers for waste containment in arid and semiarid regions in the southwestern USA: Vadose Zone Journal, v. 4, p. 55-71. [PDF]

Scanlon, B. R., 2004, Groundwater fluxes across interfaces: The National Academies Press; 85 pp. [Abstract] [Table of contents and ordering]

Scanlon, B. R., 2004, Evaluation of methods of estimating recharge in semiarid and arid regions in the southwestern U.S., in Hogan, J. F., Phillips, F. M., and Scanlon, B. R., eds., Groundwater recharge in a desert environment: the southwestern United States: Washington, D.C., American Geophysical Union, Water Science and Applications Series, v. 9, p. 235–254.

Hogan, J. F., Phillips, F. M., and Scanlon, B. R., eds., 2004, Groundwater recharge in a desert environment: the southwestern United States: Washington, D.C., American Geophysical Union, Water Science and Application Series, v. 9, 294 p. [Ordering information]

Walvoord, M. A., and Scanlon, B. R., 2004, Hydrologic processes in deep vadose zones in interdrainage arid environments, in Hogan, J. F., Phillips, F. M., and Scanlon, B. R., eds., Groundwater recharge in a desert environment: the southwestern United States: Washington, D.C., American Geophysical Union, Water Science and Applications Series, v. 9, p. 15–28.

Scanlon, B. R., Mace, R. E., Barrett, M. E., and Smith, Brian, 2002, Can we stimulate regional groundwater flow in a karst system using equivalent porous media models? Case study, Barton Springs Edwards aquifer, USA: Journal of Hydrology, v. 276, p. 137–158. [PDF]

Scanlon, B. R., Keese, K., Reedy, R. C., Simunek, J., and Andraski, B. J., 2003, Variations in flow and transport in thick desert vadose zones in response to paleoclimatic forcing (0–90 kyr): field measurements, modeling, and uncertainties: Water Resources Research, v. 39, No. 7,
p. 1179. [PDF]

Reedy, R. C., and Scanlon, B. R., 2003, Soil water content and water storage monitoring using electromagnetic induction: Journal of Geotechnical and Geoenvironmental Engineering, 10.1061/ASCE 1090-02412003129: 111028, p. 1028–1039. [contact author]

Scanlon, B. R., J. P. Nicot, and J. W. Massmann, 2002, Soil gas movement in unsaturated systems, in Warwick, A. W., ed., Soil Physics Companion, p. 297-341. [PDF]

Andraski, B. J., and Scanlon, B. R., 2002, Thermocouple psychrometry, in Dane, J. H., and Topp, G. C., eds., Methods of soil analysis, part 4, physical methods: Soil Science Society of America, Inc., No. 5, p. 609–642. [PDF]

Scanlon, B. R., Andraski, B. J., and Bilskie, J., 2002, Miscellaneous methods for measuring matric or water potential, in Dane, J. H., and Topp, G. C., eds., Methods of soil analysis, part 4, physical methods: Soil Science Society of America, Inc., No. 5, p. 643–670. [PDF]

Scanlon, B. R., Christman, M., Reedy, R. C., Porro, I., Simunek, J., and Flerchinger, G. N., 2002, Intercode comparisons for simulating water balance of surficial sediments in semiarid regions: Water Resources Research, v. 38, p. 1323–1339. [PDF]

Scanlon, B. R., Healy, R. W., and Cook, P. G., 2002, Choosing appropriate techniques for quantifying groundwater recharge: Hydrogeology Journal, v. 10, p. 18–39. [PDF]

Reedy, R. C., and Scanlon, B. R., 2002, Long-term water balance monitoring of engineered covers for waste containment, in 2001 International Containment and Remediation Technology Conference, Orlando, Florida, Institute for International Cooperative Environmental Research, Florida State University, Paper ID. No. 073, http://www.iicer.fsu.edu, 3 p. [PDF]

Scanlon, B. R., Christman, M., Reedy, R. C., and Gross, Beth, 2002, Intercode comparisons for simulating water balance in an engineered cover, in 2001 International Containment and Remediation Technology Conference, Orlando, Florida, Institute for International Cooperative Environmental Research, Florida State University, Paper ID. No. 148, http://www.iicer.fsu.edu,
3 p. [PDF]

Scanlon, B. R., J. P. Nicot, and J. W. Massmann, 2000, Soil gas movement in unsaturated systems, in Sumner, M. E., ed., Handbook of Soil Science, p. A277-A319. [PDF]

Scanlon, B. R., Goldsmith, R. S., and Langford, R. P., 2000, Relationship between arid geomorphic settings and unsaturated zone flow: case study, Chihuahuan Desert, Texas: The University of Texas at Austin, Bureau of Economic Geology Report of Investigations No. 261,
133 p. [PDF]

Scanlon, B. R., 2000, Uncertainties in estimating water fluxes and residence times using environmental tracers in an arid unsaturated zone: Water Resources Research, v. 36, no. 2,
p. 395–409. [PDF]

Scanlon, B. R., Langford, R. P., and Goldsmith, R. S., 1999, Relationship between geomorphic settings and unsaturated flow in an arid setting: Water Resources Research, v. 35, no. 4,
p. 983–999. [PDF]

Scanlon, B. R., Paine, J. G., and Goldsmith, R. S., 1999, Evaluation of electromagnetic induction as a reconnaissance technique to characterize unsaturated flow in an arid setting: Ground Water, v. 37 no. 2, p. 296–304. [PDF]

Scanlon, B. R., Goldsmith, R. S., and Paine, J. G., 1997, Analysis of focused unsaturated flow beneath fissures in the Chihuahuan Desert, Texas, USA: Journal of Hydrology, v. 203, p. 58–78. [PDF]

Scanlon, B. R., Tyler, S. W., and Wierenga, P. J., 1997, Hydrologic issues in arid, unsaturated systems and implications for contaminant transport: Reviews of Geophysics, v. 35, no. 4,
p. 461–490 [PDF]

Scanlon, B. R., and Goldsmith, R. S., 1997, Field study of spatial variability in unsaturated flow beneath and adjacent to playas: Water Resources Research, v. 33, no. 10, p. 2239–2252. [PDF]

Xiang, Jiannan, Scanlon, B. R., Mullican, W. F., III, and Chen, L., 1997, A multistep constant-head borehole test to determine field saturated hydraulic conductivity of layered soils: Advances in Water Resources, v. 20, no. 1, p. 45–57. [PDF]

Scanlon, B. R., and Milly, P. C. D., 1994, Water and heat fluxes in desert soils—2. Numerical Simulations: Water Resources Research, v. 30, no. 3, p. 721–733. [PDF]

Scanlon, B. R., 1994, Water and heat fluxes in desert soils—1. Field Studies: Water Resources Research, v. 30, no. 3, p. 709–719. [PDF]

Scanlon, B. R., 1992, Moisture and solute flux along preferred pathways characterized by fissured sediments in desert soils: Journal of Contaminant Hydrology, v. 10, p. 19–46. [PDF]

Scanlon, B. R., 1992, Evaluation of liquid and vapor water flow in desert soils based on chlorine 36 and tritium tracers and nonisothermal flow simulations: Water Resources Research, v. 28, no. 1, p. 285–297. [PDF]

Scanlon, B. R., 1991, Evaluation of moisture flux from chrloride data in desert soils: Journal of Hydrology, v. 128, p. 137–156. [PDF]

Contract Reports

Scanlon, B. R., Reedy, R. C., Keese, K. E., Tossell, R., Dwyer, J., and Schroth, B., 2005, Assessment of groundwater contamination, in situ treatment, and disposal of treatment residuals in the vicinity of Lubbock, Texas: The University of Texas at Austin, Bureau of Economic Geology, report prepared for Texas Commission on Environmental Quality, 110 p. + apps. & tables. [PDF]

Scanlon, B. R., Nicot, J. P., Reedy, R., Tachovsky, J. A., Nance, S. H., Smyth, R. C., Keese, K., Ashburn, R. E., Christian, L., 2005, Evaluation of Arsenic Contamination in Texas: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for Texas Commission on Environmental Quality, under contract no. UT-08-5-70828, 177 p. [PDF]

Scanlon, B. R., Tachovsky, J. A., Reedy, R., Nicot, J. P., Keese, K., Slade, R.M., Merwade, V., Howard, T., Wells, G. L., Mullins, G. J., and Ortiz, D. M., 2005, Groundwater—Surface Water Interactions in Texas: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for Texas Commission on Environmental Quality, under contract no. 7 UT-07 70830, 240 p. [PDF]

Scanlon, B. R., Reedy, R. C., and Kier, K.S., 2003, Evaluation of Nitrate Contamination in Major Porous Media Aquifers in Texas: The University of Texas at Austin, Bureau of Economic Geology, Final report prepared for Texas Commission on Environmental Quality, 48 pages [PDF].

Scanlon, B. R., Reedy, R. C., and Keese, E.K., 2003, Estimation of Groundwater Recharge in Texas Related to Aquifer Vulnerability to Contamination: The University of Texas at Austin, Bureau of Economic Geology. [PDF]

Reedy, R. C., Scanlon, B. R., Bruce, B., McMahon, P. B., Dennehy, K. F., and Ellett, K., 2003, Groundwater recharge in the Southern High Plains: The University of Texas at Austin, Bureau of Economic Geology, Draft report for Texas Water Development Board. [PDF]

Scanlon, B. R., Dutton, A. R., and Sophocleous, M., 2003, Groundwater recharge in Texas: The University of Texas at Austin, Bureau of Economic Geology, Submitted to Texas Water Development Board. [PDF]

Scanlon, B. R., Mace, R. E., Smith, Brian, Hovorka, S. D., Dutton, A. R., and Reedy, R. C., 2002, Groundwater availability of the Barton Springs segment of the Edwards aquifer, Texas—numerical simulations through 2050: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for the Lower Colorado River Authority, under contract no. UTA99-0, 36 p. + figs., tables, attachment. [PDF]

Contact:
Bridget Scanlon, Ph.D.
Senior Research Scientist;
E-mail: bridget.scanlon@beg.utexas.edu
Telephone: (512) 471-8241