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Recent Abstracts Applying Chloride Mass Balance to Quantify Preferential Flow at Multiple Scales J. S. Tyner, G. O. Brown, D. Huntley Presented at Preferential Flow, Water Movement and Chemical Transport in the Environment, 3-5 January 2001, Honolulu, Hawaii Experimental Measurement of Macropore Flow in a Silt-Loam Soil G. O. Brown, H. T. Hsieh, and J. Kimzey Presented at Preferential Flow, Water Movement and Chemical Transport in the Environment, 3-5 January 2001, Honolulu, Hawaii Spatial and Temporal Variability of Infiltration, Bulk Density, and Soil Composition in Dryland Winter Wheat and Native Warm Season Grass J. R. Vogel, J. Garbrecht, and G. O. Brown Presented at the 2000 ASAE International Meeting Milwaukee, Wisconsin, July 9-12, 2000 Surfactant Enhanced In-Situ Soil Washing For The Removal Of Heavy Metals From Contaminated Soil R. A. Chavez, G. O. Brown, and N. T. Basta Presented at the 2000 ASAE International Meeting, Milwaukee, Wisconsin, July 9-12, 2000 Determination of Representative Elementary Volume and Its Implication in the Analysis of Core Column Leaching of the Culebra Dolomite G. O. Brown, H. T. Hsieh, and D. A. Lucero Presented at the Spring Meeting of the American Geophysical Union (AGU), Washington DC., May 30 to June 3 Evaluation Of Laboratory Dolomite Core Sample Size Using Representative Elementary Volume Concepts G. O. Brown, H. T. Hsieh and D. A. Lucero Water Resources Research, 36:(5) 1199-1207, 2000 Neutron Probe Validation of Oklahoma Mesonet Soil-Moisture Measurements R. L. Elliott, J. D. Jantzen, R.D. Tejral, and G. O. Brown GEWEX/BAHC International Workshop, Norman, OK, 16-18 May 2000 Experimental Methods For Indirect Measurement Of Nitrate Fluxes Beneath Winter Wheat J. R. Vogel, J. S. Tyner, J. Garbrecht and G. O. Brown Paper No. 992127 ASAE Annual International Meeting Toronto, Canada, July 18-21, 1999 Nitrate Fluxes Beneath Winter Wheat From Different Fertilizer N Application Rates J. S. Tyner, J. R. Vogel, J. Garbrecht and G. O. Brown Paper No. 992199 ASAE Annual International Meeting Toronto, Canada, July 18-21, 1999 Measurement of Porous Media Component Content and Heterogeneity Using Gamma Ray Tomography H. T. Hsieh, G. O. Brown, M. L. Stone and D. A. Lucero, Water Resources Research, 34(3), 365-372, 1998 Beyond Pretty Pictures: Quantifying Porous Media Properties and Transport Processes Using Transmission and Emission CT G. O. Brown, H. T. Hsieh, M. L. Stone and D. A. Lucero ASAE Paper 97-2095 Quantification of Porous Media Using Computerized Tomography and a Statistical Segregation Threshold H. T. Hsieh, G. O. Brown and M. L. Stone Transactions of the ASAE, 41(6), 1697-1706, 1998 Laboratory evaluation of colloid transport under simulated subsurface conditions at the Waste Isolation Pilot Plant (WIPP): 2. Large-scale-intact-core column flow experiments Lucero, D., Y. Behl, G. Brown, K. Budge, M Dumm, A. Francis, J. Gillow and H. Papenguth, In Experimental & Modeling Studies of Radionuclide Speciation in Real Systems, D. T. Reed, S. Clark and L. Rao Eds. Plenum Pub., NY.1997 Gamma CT Scanner (Its relatively simple)