Session: Subsurface Fate and Transport of Agricultural Contaminants (Posters)

Tuesday, 7 October 2008: 8:00 AM

George R. Brown Convention Center, Exhibit Hall E

Presiding:

Christopher Green , Thomas Harter and Jan Fleckenstein

Field Evaluation of Preferential Flow In Agricultural Soils of the Mississippi Delta
Kim S. Perkins; John R. Nimmo, USGS; Richard H. Coupe, U. S. Geol Survey; Claire E. Rose, U. S. Geol Survey; Michael A. Manning, U. S. Geol Survey

67-2

An Advection-Diffusion Model for Observed Solid Phase Transport of Roxarsone by Earthworms
Aaron K. Covey, Vanderbilt University; Kaye S. Savage, Vanderbilt University; David J. Furbish, Vanderbilt University

67-3

Nitrate, Ammonium, and Phosphate Fluxes to Subsurface Drains In the Eastern Cornbelt: N Source and Rotation
Guillermo Hernandez-Ramirez; Sylvie M. Brouder, Purdue University; Matthew Ruark, University of CA, Davis; Ronald F. Turco, Purdue University

67-4

Mitigating Nitrate Levels in Agricultural Runoff with Barrier Crops
Florence Cassel S, California State University, Fresno; Dave Goorahoo, California State University, Fresno; Diganta Adhikari, California State University, Fresno; David Zoldoske, California State University, Fresno

67-5

Nitrogen Loading in Soils Irrigated with Tertiary Treated Municipal Wastewater
Dave Goorahoo, California State University, Fresno; Florence Cassel S, California State University, Fresno; Diganta Adhikari, California State University, Fresno; David Zoldoske, California State University, Fresno

67-6

Impacts of Land Use Change on Unsaturated Zone Nitrate Cycling in the Southern High Plains, USA
Robert C. Reedy, The University of Texas at Austin; Bridget R. Scanlon, Univ of Texas at Austin

67-7

Unsaturated Zone Profiles Linking Land Surface Applications and Groundwater Nitrate Contamination: Case Studies Seymour Aquifers, Texas
Jeffrey Olyphant, University of Texas at Austin; Bridget R. Scanlon, Univ of Texas at Austin

67-8

Fate and Transport of Inorganic Nitrogen along Groundwater Flow Paths in a Coastal Aquifer System
James J. Connors Jr, University of South Alabama

67-9

Nitrate Reaction Rates and Stable Isotope Fractionation In An Alluvial Fan Aquifer, San Joaquin Valley, CA
Christopher Green, US Geological Survey; Barbara A. Bekins, U.S. Geological Survey

67-10

Subsurface Pathways Dominate Streamflow Generation and Agrochemical Contamination in a Semi-Arid Agricultural Watershed: A Long-Term Environmental-Tracer Study
Bryan G. Moravec, Washington State University; C. Kent Keller, Washington State University; Jeffrey L. Smith, Washington State University; R. David Evans, Washington State University

67-11

Recovery of Hyporheic Denitrification Potential Following Maintenance Events in Agriculturally Modified Streams
Joyce Anne Harris, Illinois State University; Stephen Van der Hoven, Illinois State University

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67 J21. Subsurface Fate and Transport of Agricultural Contaminants (Posters)(GSA Hydrogeology Division; GSA Geology and Society Division; S02 Soil Chemistry; S06 Soil & Water Management & Conservation; S11 Soils & Environmental Quality)

67 J21. Subsurface Fate and Transport of Agricultural Contaminants (Posters)
(GSA Hydrogeology Division; GSA Geology and Society Division; S02 Soil Chemistry; S06 Soil & Water Management & Conservation; S11 Soils & Environmental Quality)