H23G:
Nonpoint Source Flux Impact on Groundwater, Vadose Zone, and Surface Waters: Assessment, Mechanisms, and Control Strategies II Posters

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Chairs:  Brijesh K Yadav, Indian Institute of Technology Roorkee, Roorkee, India, Joachim Rozemeijer, Deltares, Delft, Netherlands, William P Ball, Johns Hopkins University, Geography and Environmental Engineering, Baltimore, MD, United States and Lewis Craig Linker, Environmental Protection Agency Chesapeake Bay Program, Annapolis, MD, United States
Primary Conveners:  Thomas Harter, Univ California, Davis, CA, United States
Co-conveners:  Laura A Schifman, University of Rhode Island, Geosciences, Kingston, RI, United States, Jennifer Cooper, University of Rhode Island, Kingston, RI, United States and Christopher T Green, U. S. Geological Survey, Menlo Park, CA, United States
OSPA Liaisons:  Gurpal Toor, Univ of FL-Gulf Coast REC, Wimauma, FL, United States

Abstracts Submitted to this Session:

0945
 
Assessing the Impact of Agricultural Pressures on N and P Loads and Potential Eutrophication Risk at Regional Scales
Chantal Gascuel-odoux, INRA, UMR1069, Sol Agro and hydroSystem, F-35000 Rennes, France, Rémi Dupas, Agrocampus Ouest, UMR1069, Sol Agro and hydroSystem, Rennes Cedex, France, Magalie Delmas, INRA, Infosol, F-45075 Orleans, France and Florentina Moatar, Univ Tours, Fac Sci & Tech, EA 6293, F-37200 Tours, France
0946
 
Soil Moisture Flow and Nitrate Movement Simulation through Deep and Heterogeneous Vadose Zone using Dual-porosity Approach
Brijesh K Yadav1, Jahangeer Tomar1 and Thomas Harter2, (1)Indian Institute of Technology Roorkee, Roorkee, India, (2)University of California Davis, Davis, CA, United States
0947
 
Simulation of nonpoint source contamination based on adaptive mesh refinement
Georgios Kourakos and Thomas Harter, University of California Davis, Davis, CA, United States
0948
 
Mechanistic Determination of Nitrogen Removal By Advanced Soil-Based Wastewater Treatment Systems Using 15n Isotopes
Jennifer Cooper1, George Loomis1, David Kalen1, Thomas B Boving2, Ivan Morales1 and Jose Amador1, (1)University of Rhode Island, Kingston, RI, United States, (2)University of Rhode Island, Civil, Civil and Environmental Engineering, Kingston, RI, United States
0949
 
Use of a finite difference hydrologic model to assess the potential effectiveness of changes in cropping practices to reduce nitrate loading to a shallow aquifer.
W. Adam Sigler1, Stephanie A Ewing1, Robert Alden Payn1, Clain A Jones1, Jack Brookshire1, Scott D Wankel2 and Gary S Weissmann3, (1)Montana State University, Bozeman, MT, United States, (2)WHOI, Woods Hole, MA, United States, (3)University of New Mexico, Albuquerque, NM, United States
0950
 
Nitrate Sources and Transport in the Upper Illinois River Basin Evaluated with Stable Isotope Ratios and SWAT Modeling
Jiajia Lin, University of Illinois at Chicago, Chicago, IL, United States, Yonas Demissie, Washington State University, Department of Civil and Environmental Engineering, Richland, WA, United States, Eugene Yan, Argonne Natl Lab-Bldg 203, Argonne, IL, United States, John Karl Bohlke, USGS, Reston, VA, United States and Neil Colrick Sturchio, University of Delaware, Geological Sciences, Newark, DE, United States
0951
 
A Model to Predict Nitrogen Losses in Advanced Soil-Based Wastewater Treatment Systems
Ivan Morales, Jennifer Cooper, George Loomis, David Kalen, Jose Amador and Thomas B Boving, University of Rhode Island, Kingston, RI, United States
0952
 
Modeling Transport of Escherichia coli from Soil into Overland Flow Under Raindrop Impact
Chaozi Wang, Michael Todd Walter and Jean-Yves Parlange, Cornell University, Ithaca, NY, United States
0953
 
Hydrologic processes related to streambank erosion in three Minnesota agricultural watersheds
John Little Nieber1, Christian F Lenhart1, Kerry Holmberg1, Jason Ulrich2 and Heidi Marie Peterson3, (1)Univ of Minnesota, Twin Cities, St. Paul, MN, United States, (2)Emmons & Olivier Resources, Inc, Oakdale, MN, United States, (3)Minnesota Department of Agriculture, St. Paul, MN, United States
0954
 
TCE gas concentration variation in the unsaturated zone under the influence of fluctuating water table
Wontak Joun and Kang Kun Lee, Seoul National University, Seoul, South Korea
0955
 
Specific Conductivity Synoptic Surveys to Map Groundwater-Surface Water Discharges in a Lowland River
Henry Pai, University of California Merced, Environmental Systems, Merced, CA, United States, Sandra R Villamizar, University of California Merced, Merced, CA, United States and Thomas C Harmon, Univ California Merced, Merced, CA, United States
0956
 
Chemical Identification of Source Waters in a Rural Sub Estuary of Chesapeake Bay (Chester River)
Edward Andrew Hobbs1, Karl Kehm1,2 and Christian Krahforst1,3, (1)Washington College, Department of Environmental Science and Studies, Chestertown, MD, United States, (2)Washington College, Department of Physics, Chestertown, MD, United States, (3)Washington College, Center for Environment and Society, Chestertown, MD, United States
0957
 
Managing multiple non-point pressures on water quality and ecological habitat: Spatially targeting effective mitigation actions at the landscape scale.
Sim M Reaney, University of Durham, Durham, DH1, United Kingdom
0958
 
Long-Term Loads of Nutrients and Sediment from Non-Tidal Regions of the Chesapeake Bay Watershed: An Assessment of Seasonal Trends and Progress
William P Ball1, Qian Zhang1, Damian C. Brady2 and Walter R. Boynton3, (1)Johns Hopkins University, Baltimore, MD, United States, (2)University of Maine, School of Marine Sciences, Walpole, ME, United States, (3)University of Maryland Center (UMCES CBL) for Environmental Science Chesapeake Biological Laboratory, Solomons, MD, United States
0959
 
Effectiveness of Nitrogen Assimilation in the Non-Tidal Chesapeake Bay Watershed: Evaluations Based on Thirty Years of Data
Hengchen Wei, Di Ha, Qian Zhang and William P Ball, Johns Hopkins University, Geography and Environmental Engineering, Baltimore, MD, United States
0960
 
Scale Effect in Nutrient Transport along a Rural River System: THE River Eden, Cumbria, Northwest, England
Fatai Oladapo Tijani1, James C Bathurst1 and Paul F Quinn2, (1)Newcastle University, Newcastle Upon Tyne, NE1, United Kingdom, (2)Newcastle University, Newcastle Upon Tyne, United Kingdom
0961
 
Determining Spatial Distribution And Air-Water Exchange Of Polycyclic Aromatic Hydrocarbons In Stormwater Runoff Catchment Basins
Varun K Kasaraneni1, Laura A Schifman2, Vinka Craver1 and Thomas B Boving1, (1)University of Rhode Island, Kingston, RI, United States, (2)University of Rhode Island, Geosciences, Kingston, RI, United States
0962
 
Continuous ‘Passive’ Registration of Non-Point Contaminant Loads Via Agricultural Subsurface Drain Tubes
Joachim Rozemeijer, Deltares, Soil and Groundwater Quality Department, Delft, Netherlands, Stefan Jansen, Deltares, Applied Microbiology and Geochemistry Department, Utrecht, Netherlands, Hubert de Jonge, Sorbisense, Tjele, Denmark and Anders Lindblad Vendelboe, Aarhus University, Department of Agroecology - Soil Physics and Hydropedology, Aarhus, Denmark
0963
 
New Tools for Managing Agricultural P
Lawrence Alan Baker1, Heidi Marie Peterson1,2, John Little Nieber3 and Jason Ulrich3, (1)University of Minnesota Twin Cities, Minneapolis, MN, United States, (2)Minnesota Department of Agriculture, St. Paul, MN, United States, (3)Univ of Minnesota, Twin Cities, St. Paul, MN, United States
0964
 
Predicting nitrogen leaching losses from intensifying agriculture in sub-Saharan Africa: the role of soils and fertilizer type
Katherine Lynn Tully1,2, Tess A Russo3, Cheryl Palm1 and Christopher Neill4, (1)Earth Institute, Columbia University, New York, NY, United States, (2)University of Maryland College Park, Plant Science and Landscape Architecture, College Park, MD, United States, (3)Pennsylvania State University Main Campus, University Park, PA, United States, (4)Marine Biological Laboratory, Ecosystems Center, Woods Hole, MA, United States
 
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