297 Symposium--Reactive Transport Modeling In Soils: I

Oral Session
S01 Soil Physics

Until recently, research and modeling efforts have generally focused on improving our understanding of physical transport processes associated with solute movement at the field scale while much less attention has been placed on the interrelated biological and geochemical reactions that impact solute partitioning. The Reactive Transport Modeling in Soils symposium, will address the state-of-the-art and future research needs with respect to the development and parameterization of reactive transport models for describing the fate and transport of nutrients and contaminants in chemically and physically heterogeneous soil systems.


Soils & Environmental Quality
Wednesday, November 3, 2010: 8:00 AM-12:00 PM
Long Beach Convention Center, Room 305, Seaside Level

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Jiri Simunek and John Seaman
Jiri Simunek
8:00 AM
Introductory Remarks
8:30 AM
Reactive Transport Modelling for Variably-Saturated Flow and Contaminant Transport Problems: Recent HP1 Developments.
Diederik Jacques, Institute for Environment, Health, and Safety, Belgian Nuclear Research Centre (SCK•CEN)
8:50 AM
Copper Reactivity and Mobility in Acidic and Alkaline Soils: Modeling the Distributions Versus Soil Depth.
Tamer Elbana, Louisiana State University Agcenter; H. Magdi Selim, Louisiana State University Agcenter
9:05 AM
Implications of Cation Exchange On Clay Release and Colloid-Facilitated Transport in Porous Media.
Scott Bradford, USDA-ARS, U.S. Salinity Laboratory; Hyunjung Kim, Department of Mineral Resources and Energy Engineering, Chonbuk National University
9:20 AM
Field Evaluation of a Multicomponent Solute Transport Model in Soils Irrigated with Saline Waters.
Tiago Ramos, CEER-Biosystems Engineering, Technical University of Lisbon; Jiri Simunek, Department of Environmental Sciences, University of California, Riverside; Maria C. Gonçalves, Estação Agronómica Nacional; José C. Martins, Estação Agronómica Nacional; Ângela Prazeres, Estação Agronómica Nacional; Nádia Castanheira, Estação Agronómica Nacional; Luís S. Pereira, CEER-Biosystems Engineering, Technical University of Lisbon
9:35 AM
Contaminant Transport Modeling for a Soil with Variable Charge Properties Under Different pH Conditions Using HP1.
Dimitar Antonov, Geological Institute, Bulgarian Academy of Sciences; Nobuo Toride, Mie University; Daiwen Chen, Mie University; Martinus van Genuchten, Federal University of Rio de Janeiro
9:50 AM
Understanding the Interactions Between Soil Chemistry, Soil Hydraulic Properties and Deep Drainage.
Lucy Reading, University of Queensland; Keith Bristow, CSIRO; Thomas Baumgartl, University of Queensland; David A. Lockington, University of Queensland
10:05 AM
10:40 AM
A Reactive Transport Nitrogen Model for Onsite Wastewater Systems.
David Radcliffe, Crop and Soil Sciences Department; James Bradshaw, Crop and Soil Sciences Department
11:00 AM
Absorption of Artificial Piggery Effluent by Soils: Inverse Optimization of Hydraulic, Solute Transport, and Cation Exchange Parameters Using HP1 and UCODE.
Chris Smith, CSIRO Land and Water; Diederik Jacques, Institute for Environment, Health, and Safety, Belgian Nuclear Research Centre (SCK•CEN); Jiri Simunek, University Of California Riverside; David Smiles, CSIRO
11:15 AM
Errors in Modelling Carbon Turnover Induced by Temporal Temperature Aggregation.
Lutz Weihermueller, Forschungszentrum Juelich GmbH Agrosphere Institute ICG-4; Johan Huisman, Forschungszentrum Juelich GmbH Agrosphere Institute ICG-4; Alexander Graf, Forschungszentrum Juelich GmbH Agrosphere Institute ICG-4; Michael Herbst, Forschungszentrum Juelich GmbH Agrosphere Institute ICG-4; Harry Vereecken, Forschungszentrum Juelich GmbH Agrosphere Institute ICG-4
11:30 AM
Soil Moisture Effect On the Diurnal Pattern of Pesticide Emission: Measurement and Simulation.
Rivka Reichman, IIBR; Scott Yates, USDA-ARS, USSL; Dennis E. Rolston, UCD
11:45 AM
A Coupled Modeling Approach to Incorporate Vadose-Zone Flow and Solute Transport in Ground Water Models.
Navin Kumarr Twarakavi, Auburn University; Jirka Simunek, University of California-Riverside; Laurent Bahaminyakamwe, Auburn University
12:00 PM
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