T59 Gradients at Hydrologic Interfaces as Indicators of Key Earth-Surface ("Critical-Zone") Processes (Posters)

Presentations

• 1:30 PM
  USE OF PASSIVE SAMPLERS FOR DETECTING VERTICAL GRADIENTS AND POTENTIAL SOURCES OF ORGANIC CONTAMINANTS TO LAKE MEAD, NEVADA, U.S.A
  Michael Robert Rosen, U.S. Geological Survey, Carson City, NV and Thomas J. Leiker, U.S. Geological Survey, Denver, CO and Steven L. Goodbred, U.S. Geological Survey, Sacramento, CA
  107178 (Technical Sessions)
• 1:30 PM
  SILICATE MINERAL WEATHERING, REACTION FRONTS, AND REACTIVE TRANSPORT MODELS
  Joel Moore, Penn State University, University Park, PA and Peter C. Lichtner, Los Alamos National Lab, Los Alamos, NM and Art White, U. S. Geological Survey, Menlo Park, CA and Susan Brantley, The Pennsylvania State University, University Park, PA
  109334 (Technical Sessions)
• 1:30 PM
  REACTION FRONTS IN SOILS DEVELOPED ON PEORIA LOESS DOCUMENT MINERAL WEATHERING KINETICS
  Jennifer Zan Williams, Pennsylvania State University, University Park, PA and Susan L. Brantley, Pennsylvania State University, University Park, PA
  114321 (Technical Sessions)
• 1:30 PM
  AN INTEGRATED CONCEPTUAL MODEL TARGETING COMPLEX HYDROBIOGEOCHEMICAL INTERFACES WITHIN A CONTAMINATED AQUIFER-WETLAND SYSTEM
  Jennifer McGuire, University of St. Thomas, St. Paul, MN and Isabelle Cozzarelli, US Geological Survey, Reston, VA and Mary Voytek, U.S. Geol Survey, Reston, VA and Susan Baez Cazull, Texas A&M University, College Station, TX and Tara Kneeshaw, Texas A&M University, College Station, TX and Erik Smith, ST. Paul, MN and Scott Christenson, U.S. Geological Survey, N/A
  114875 (Technical Sessions)
• 1:30 PM
  FIELD AND LABORATORY INVESTIGATIONS OF KINETIC CONTROLS ON SULFATE REDUCTION AT HYDROLOGIC INTERFACES WITHIN A CONTAMINATED WETLAND-AQUIFER SYSTEM
  Tara Kneeshaw, Texas A&M University, College Station, TX and Jennifer McGuire, Texas A&M University, College Station, TX and Erik Smith, ST. Paul, MN and Isabelle Cozzarelli, US Geological Survey, Reston, VA
  115040 (Technical Sessions)
• 1:30 PM
  MULTIVARIATE STATISTICAL ANALYSIS OF VARIABILITY IN BIOGEOCHEMISTRY IN A CONTAMINATED AQUIFER-WETLAND SYSTEM
  Susan E. Báez Cazull, Texas A&M University, College Station, TX and Jennifer T. McGuire, Texas A&M University, College Station, TX and Isabelle M. Cozzarelli, U.S. Geological Survey, Reston, VA and Mary A. Voytek, U.S. Geological Survey, Reston, VA
  115158 (Technical Sessions)
• 1:30 PM
  GRADIENTS IN MINERALOGY AND ELEMENTAL COMPOSITION DEVELOP DURING CHEMICAL WEATHERING AND PHYSICAL EROSION
  S.L. Brantley, Penn State University, University Park, PA and M. Lebedeva, Penn State University, University Park, PA
  115280 (Technical Sessions)
• 1:30 PM
  GRADIENTS IN MINERALOGY AND ELEMENT COMPOSITION AT THE BEDROCK-REGOLITH INTERFACE RECORD MINERAL REACTION AND TRANSPORT RATES
  Elisabeth M. Hausrath, Pennsylvania State University, University Park, PA and Peter Sak, Dickinson College, Carlisle, PA and Alexis K. Navarre-Sitchler, The Pennsylvania State University, University Park, PA and Jennifer Zan Williams, Pennsylvania State University, University Park, PA and Eduardo J. Cabret, The University of Puerto Rico at Mayaguez, Mayaguez, PR and Susan L. Brantley, Pennsylvania State University, University Park, PA
  115438 (Technical Sessions)
• 1:30 PM
  RECYCLING AND HYDRAULIC REDISTRIBUTION: MECHANISMS OF INTERACTION BETWEEN THE MOISTURE RESERVOIRS OF THE DEEP SOIL, VEGETATION, AND THE ATMOSPHERE
  Praveen Kumar, University of Illinois, Urbana, IL and Francina Dominguez, University of Illinois, Urbana, IL and Geremew Amenu, University of Illinois, Urbana, IL
  116385 (Technical Sessions)