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64 Subsurface Fate and Transport of Agricultural Contaminants

Oral Session
Joint Sessions

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Tuesday, 7 October 2008: 8:00 AM-12:00 PM
George R. Brown Convention Center, 351AD

Presiding:
Christopher Green , Thomas Harter and Jan Fleckenstein
8:00 AM
64-1
Hot and Cold Phenomena In Riparian Zones: It Is Not Just about Nitrate
Philippe Vidon, Indiana University-Purdue University, Indianapolis; Craig Allan, University of North Carolina, Charlotte
8:20 AM
64-2
Diurnal Variations in Nitrate Concentrations in the Cobb Mill Creek, Virginia
Wendy M. Robertson, University of Virginia; Janet S. Herman, University of Virginia; Aaron L. Mills, Univ. of Virginia; George M. Hornberger, University of Virginia
8:35 AM
64-3
Treated Wastewater and Nitrate Transport Beneath Irrigated Fields: A Kansas water reuse project
Marios A. Sophocleous, Univ. of Kansas; Margaret A. Townsend, The Univ of Kansas; Fredrick Vocasek, Servi-Tech Laboratories; Liwang Ma, USDA-ARS
8:50 AM
64-4
Impact of the Rate of Rewetting of a Dried Soil on the Concentration of Phosphorus In Leachate
Martin Blackwell, North Wyke Research; Noelia De La Fuente-Martinez, North Wyke Research; Philip J. Murray, North Wyke Research; Phil Brookes, Rothamsted Res.; Kathy E. Snars, Rothamsted Research; Philip Haygarth, Lancaster Environment Centre; Jennie K. Williams, North Wyke Research
9:05 AM
64-5
Groundwater Monitoring of Agricultural Contaminants for Regulatory Compliance
Thomas Harter, University of California - Davis; Cathryn Lawrence, University of California; E. Rob Atwill, University of California - Davis; Carol Kendall
9:20 AM
64-6
Trends and Transformation of Nutrients and Pesticides In a Coastal Plain Aquifer System, United States
Judith Denver, U.S. Geological Survey; Anthony Tesoriero, U.S. Geological Survey; Jeffrey R. Barbaro, U.S. Geological Survey
9:35 AM
64-7
Perchlorate as An Agricultural Contaminant in Groundwater- Isotopic Signatures of Sources and Biodegradation
John Bohlke, U.S. Geological Survey; Paul B. Hatzinger; Neil C. Sturchio, University of Illinois at Chicago; Baohua Gu, Oak Ridge National Lab; Irene Abbene, U.S. Geological Survey; Stanley J. Mroczkowski, U.S. Geological Survey
9:55 AM
Break
10:10 AM
64-8
Transport and Fate of Indicator Microorganisms Under Nutrient Management Plan Conditions
Scott Bradford, USDA, ARS, Salinity Laboratory; Eran Segal, University of California
10:30 AM
64-9
Factors In Biocolloid Movement and Retention In the Unsaturated Zone
Tammo Steenhuis, Cornell University; Veronica Morales; Zevi Yunati; Wei Zhang; M. Ekrem Cakmak; Anthony E. Salvucci; Bin Gao
10:50 AM
64-10
Regression Methods for Estimating the Occurrence of Atrazine in Shallow Ground Water beneath Agricultural Areas of the United States
Paul Stackelberg, USGS; Robert J. Gilliom, USGS; Jack E. Barbash, USGS; Frank D. Voss, USGS
11:05 AM
64-11
Pharmaceuticals in groundwater as indicators of land use practice and water management
Traugott J. Scheytt, Berlin University of Technology; Huong Pham, Berlin University of Technology
11:25 AM
64-12
Environmental Fate of Monensin in Dairy Farms
Naoko Watanabe, University of California; Thomas Harter, University of California - Davis; Brian Bergamaschi
11:40 AM
64-13
Reproductive Hormones in the Environment
Francis Casey, North Dakota State University; Heldur Hakk; Gerald Larsen; Thomas DeSutter, North Dakota State University; Eakalak Khan; Peter G. Oduor, North Dakota State University
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