Areas of Expertise

Instrumentation systems, geographic information systems (GIS), vadose zone hydrology


Monitoring of restrictive and conductive engineered barriers at a site in the Chihuahuan Desert, Texas, presented at Pantex AIP meeting, Amarillo, Texas (2005)

Water content monitoring in the vadose zone, presented to GEO391 (Hydrogeophysics) class, The University of Texas at Austin, Austin, Texas (2004)

Water balance monitoring and vegetation dynamics of engineered barriers at a site in the Chihuahuan Desert, Texas, presented at Idaho National Engineering Laboratory, Idaho Falls, Idaho (2004)

Evaluating climate, vegetation, and soil controls on groundwater recharge using unsaturated flow modeling, presented with B. R. Scanlon and K. E. Keese at TWDB Conference on Aquifers of West Texas, San Angelo, Texas (2004)

Monitoring soil moisture in saline soils using neutron probe, time domain reflectometry, and heat dissipation sensor measurements, presented at American Geophysical Union Annual Meeting, San Francisco, California (2004)

Land-use controls on groundwater recharge, presented at Bureau of Economic Geology seminar, Austin, Texas (2003)

Assessing the impact of land use on groundwater recharge in the Southern High Plains, presented at American Geophysical Union Annual Meeting, San Francisco, California (2003)

Comparison of different methods for estimating recharge in the Southern High Plains aquifer, Texas, poster presentation, presented to American Geophysical Union Annual Meeting, San Francisco, California (2002)

Long-term water balance monitoring of engineered covers for waste containment, poster presentation, International Containment and Remediation Technology Conference, Orlando, Florida (2001)

Evaluation of performance and monitoring issues related to engineered covers for waste containment, presented at Bureau of Economic Geology Technical Seminar Series, Austin, Texas (2000)

Monitoring unsaturated flow processes related to the Texas low-level radioactive waste-disposal site, poster presentation, American Geophysical Union Annual Meeting, San Francisco, California (1998)

Design, installation, and monitoring of restrictive and capillary barriers at a site in the Chihuahuan Desert, Texas, poster presentation, American Geophysical Union Annual Meeting, San Francisco, California (1998)

Preferential flow of nitrate and pesticides in a tile-drained field, poster presentation, Soil Science Society of America Annual Meeting, St. Louis, (1995)

Nitrate and pesticide transport in a tile-drained field-Las Nutrias, New Mexico, poster presentation, Soil Science Society of America Annual Meeting, Seattle, (1994)