H33F:
Advances and Challenges in Unraveling the Impact of Nonpoint Source Fluxes on Groundwater, Vadose Zone, and Surface Waters III Posters

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Session ID#: 13283

Session Description:
Nonpoint source (NPS) fluxes in vadose zone, groundwater, and within surface water networks are critical to pressing societal issues including agricultural sustainability, urbanization, food security, drinking water quality, and ecosystem health. Better understanding of biogeochemical and anthropogenic factors affecting diffuse mass fluxes of nutrients, pesticides, emerging contaminants, trace elements, greenhouse gases and other chemical/biological agents requires new technological tools (e.g., sensors), new analytical tools (e.g., models, isotopic methods), and new theories. These advances are enabling major scientific advances by improving our understanding of source, storage, residence times, and flowpath dynamics at different scales. We invite contributions assessing processes and mass fluxes in subsurface, hyporheic, and surface waters using field, laboratory, isotopic, and modeling approaches (lab, plot, or watershed scales); presentations on innovative approaches to sustainably control or remediate NPS pollution in urban, agricultural, and forest watersheds/groundwater basins; and on studies that address linkages between chemical, biological, hydro(geo)logical, and/or social factors.
Primary Convener:  Jonathan M Duncan, Pennsylvania State University, Department of Ecosystem Science and Management, University Park, United States
Conveners:  Jonathan M Duncan, Pennsylvania State University, Department of Ecosystem Science and Management, University Park, United States, Thomas Harter, University of California, Davis, CA, United States and Laura A Schifman, Environmental Protection Agency Cincinnati, Cincinnati, OH, United States
Chairs:  Emily M. Elliott, University of Pittsburgh, Department of Geology and Environmental Science, Pittsburgh, United States, Laura A Schifman, Environmental Protection Agency Cincinnati, Cincinnati, OH, United States, Thomas Harter, University of California, Davis, CA, United States and Joachim Rozemeijer, Deltares, Delft, Netherlands
OSPA Liaison:  Joachim Rozemeijer, Deltares, Delft, Netherlands

Cross-Listed:
  • B - Biogeosciences
Index Terms:

1831 Groundwater quality [HYDROLOGY]
1871 Surface water quality [HYDROLOGY]
1879 Watershed [HYDROLOGY]
1895 Instruments and techniques: monitoring [HYDROLOGY]

Abstracts Submitted to this Session:

Stochastic modeling of Cryptosporidium parvum to predict transport, retention, and downstream exposure (125989)
Jennifer D Drummond1,2, Fulvio Boano3, E. Rob Atwill4, Xunde Li4, Thomas Harter5 and Aaron Ian Packman6, (1)Desert Research Institute Reno, Reno, NV, United States, (2)Centre for Advanced Studies of Blanes (CEAB-CSIC), Blanes, Spain, (3)Politecnico di Torino, Torino, Italy, (4)University of California Davis, Davis, CA, United States, (5)University of California, Davis, CA, United States, (6)Northwestern University, Evanston, IL, United States
Veterinary Antibiotics in Young Dutch Groundwater under Intensive Livestock Farming (121109)
Marielle van Vliet1, Tano Kivits2, Hans Peter Broers3, Henry Beeltje4 and Jasper Griffioen1,2, (1)TNO Geological Survey of the Netherlands, Utrecht, Netherlands, (2)Utrecht University, Utrecht, Netherlands, (3)TNO Geological Survey of the Netherlands, Geomodelling, Utrecht, Netherlands, (4)Netherlands Organization for Applied Scientific Research, The Hague, Netherlands
Enhanced Denitrification in Roadside Ditches with Bioreactors (126189)
Will Pluer1, Rebecca Schneider2 and Todd Walter1, (1)Cornell University, Ithaca, NY, United States, (2)Cornell University, Natural Resources & the Environment, Ithaca, NY, United States
Fates of salinity and nitrogen in soil and shallow groundwater under long-term reclaimed water irrigation (129966)
Sidan Lyu and Weiping Chen, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
Large scale reactive transport of nitrate across the surface water divide (147168)
Evgenii Kortunov1, Chuanhe Lu1, Richard Amos2 and Peter Grathwohl1, (1)University of Tübingen, Tübingen, Germany, (2)Carleton University, Earth Sciences, Ottawa, ON, Canada
Fate of Nitrogen on California Dairies as Measured by Regulatory Reporting (164680)
Taryn Parsons, University of California Davis, Davis, CA, United States, Eric Lee, Sustainable Conservation, Modesto, CA, United States and Thomas Harter, University of California, Davis, CA, United States
Feasibility study on the use of Coprostanol to identify the source of nitrate groundwater pollution (131116)
Hiroki Amano1, Kei Nakagawa1, Yuji Takao1 and Takahiro Hosono2, (1)Nagasaki University, Graduate School of Fisheries and Environmental Sciences, Nagasaki, Japan, (2)Kumamoto University, Kumamoto, Japan
Quantifying Microplastic Pollution in the Mohawk River, Eastern New York State (156673)
Jacqueline A Smith1, James Hodge1, Bradley G. Kurtz1 and John I Garver2, (1)College of Saint Rose, Albany, NY, United States, (2)Union College, Dept. of Geology, Schenectady, NY, United States
A study on quantitative estimation method of groundwater contamination vulnerability in unsaturated zones, Southeastern Korea (132857)
Jeong-Ok Ryu, Jae-Jin Choi, Min-Gyu Kim, Jin-Goo Nho, Chang-Oh Choo and Gyo-Cheol Jeong, Andong National University, Andong, Korea, Republic of (South)
Paired Watershed Study of Suspended Sediment Sources in a Watershed Undergoing Road-Building and Timber Harvest, Railroad Gulch, Coastal Northern California, USA (145320)
Andrew P Stubblefield1, Shane Beach2, Nicolas Harrison2, Michelle Haskins1 and Lee H MacDonald3, (1)Humboldt State University, Arcata, CA, United States, (2)Humboldt Redwoods Company, Scotia, CA, United States, (3)Colorado State University, Fort Collins, United States
Reducing Nutrient Losses with Directed Fertilization of Degraded Soils (136213)
Erin Menzies Pluer, Cornell University, Biological and Environmental Engineering, Ithaca, United States, Todd Walter, Cornell University, Ithaca, NY, United States and Rebecca Schneider, Cornell University, Natural Resources & the Environment, Ithaca, NY, United States
Estimating Unsaturated Zone N Fluxes and Travel Times to Groundwater at Watershed Scales (186148)
Lixia Liao1,2, Christopher T Green3, Thomas Harter2, Bernard T Nolan4, Paul F Juckem5 and Christopher L Shope6, (1)US Geological Survey, Menlo Park, CA, United States, (2)University of California, Davis, CA, United States, (3)USGS, Integrated Modeling Prediction Division, Moffett Field, California, United States, (4)US Geological Survey, Reston, VA, United States, (5)US Geological Survey, Madison, United States, (6)USGS, Baltimore, MD, United States
Investigating controls on denitrification rates during managed aquifer recharge: Field studies of infiltration (137095)
Sarah Beganskas1, Galen Gorski2, Andrew T Fisher3, Walker Blackburn Weir2, Calla M. Schmidt4, Chad Saltikov5, Brendon Stoneburner6, Jaime Hernandez7, Ryan Ellis Harmon8 and Tess S Weathers8, (1)University of California Santa Cruz, Earth and Planetary Sciences Department, Santa Cruz, CA, United States, (2)University of California, Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, (3)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, (4)University of San Francisco, San Francisco, United States, (5)University of California, Santa Cruz, Microbiology and Environmental Toxicology, Santa Cruz, CA, United States, (6)UC Santa Cruz, Santa Cruz, CA, United States, (7)University of California Santa Cruz, Microbiology and Environmental Toxicology Department, Santa Cruz, CA, United States, (8)University of California Santa Cruz, Santa Cruz, CA, United States
Investigating Controls on Denitrification Rates During Managed Aquifer Recharge: Linking Field and Laboratory Column Experiments (190715)
Galen Gorski1, Sarah Beganskas2, Walker Blackburn Weir1, Paul Karim3, Chad Saltikov4, Jaime Hernandez5 and Andrew T Fisher6, (1)University of California, Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, (2)University of California Santa Cruz, Earth and Planetary Sciences Department, Santa Cruz, CA, United States, (3)University of California Santa Cruz, Santa Cruz, CA, United States, (4)University of California, Santa Cruz, Microbiology and Environmental Toxicology, Santa Cruz, CA, United States, (5)University of California Santa Cruz, Microbiology and Environmental Toxicology Department, Santa Cruz, CA, United States, (6)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States
Subsidence Serves as an Indicator of Groundwater Arsenic Risk in the San Joaquin Valley, California (154432)
Ryan Smith, Missouri University of Science and Technology, Geosciences and Geological and Petroleum Engineering, Rolla, United States, Rosemary J Knight, Stanford University, Department of Geophysics, Stanford, CA, United States and Scott E Fendorf, Stanford University, Earth System Science, Stanford, CA, United States
Export Mechanisms of Persistent Toxic Substances (PTSs) in Urban Land Uses during Rainfall-Runoff Events: Experimental and Modeling Studies (159692)
Yi Zheng1, Xiaolin Luo2,3 and Zhongrong Lin2, (1)Southern University of Science and Technology, School of Environmental Science and Engineering, Shenzhen, China, (2)Peking University, College of Engineering, Beijing, China, (3)China Institute of Water Resources and Hydropower Research (IWHR), National Research Center for Sustainable Hydropower, Beijing, China
The Slow Moving Threat of Groundwater Salinization: Mechanisms, Costs, and Adaptation Strategies (166659)
Rich Pauloo, University of California Davis, Davis, CA, United States, Zhilin Guo, University of California Davis, Davis, United States and Graham E Fogg, University of California Davis, Land, Air and Water Resources, Davis, United States
Hydrogeologic Heterogeneity Enhances the Transfer of Salt Toward the High-Quality Deep Aquifers of the Western San Joaquin Valley (CA, USA) (168945)
Christopher Vincent Henri, University of California Davis, Davis, CA, United States, Thomas Harter, University of California, Davis, CA, United States and Hua Zhang, University of California Davis, Dept. Land, Air, and Water Resources, Davis, CA, United States
Identification and Quantification of Phosphorus Sources at the Owasco Lake Watershed (176582)
Maria Sol Lisboa, Cornell University, Biological and Environmental Engineering, Ithaca, United States
Making the case for OWTS management: lessons from case studies and research (183246)
Brian Rahm, Fiona Woods, Sohyeon Hwang, Todd Walter, Deborah G Grantham and Susan J Riha, Cornell University, Ithaca, NY, United States
Nitrate Isotopic Composition and Ancillary Variables (Land Use, Redox, Excess N2, Age, Water Isotopics) in California Groundwater : The GAMA Database (187965)
Nathan Veale1, Jean E Moran2, Ate Visser3, Michael J Singleton3 and Brad Esser3, (1)California State University East Bay, Hayward, CA, United States, (2)California State University East Bay, Department of Earth and Environmental Sciences, Hayward, United States, (3)Lawrence Livermore National Laboratory, Livermore, CA, United States
Groundwater and Surface Water Interactions in a Semi-Arid Floodplain: Integrating Flow Path, Chemical, and Thermal Measurements (189535)
Edna Rodriguez Calzado1, Dylan Michael Hart2, M. Bayani Cardenas2, Stephen Bruce Ferencz3, Michael O'Connor2, Peter Eric Carlson2, Jeffery Watson2, Matthew Kaufman4, Robert Parmenter5 and George Perkins6, (1)University of Texas at Austin, Bureau of Economic Geology, Austin, TX, United States, (2)University of Texas at Austin, Department of Geological Sciences, Austin, TX, United States, (3)Sandia National Laboratories, Energy & Water Group, Albuquerque, NM, United States, (4)Pacific Northwest National Laboratory, Richland, WA, United States, (5)National Park Service, Los Alamos, United States, (6)Los Alamos National Laboratory, Earth and Environmental Science Division, Los Alamos, NM, United States
Extreme groundwater flooding stimulates microbialmetabolic activity and biogeochemical turnover in a major UK aquifer (189933)
Viktor A Baranov, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany, Paul Romeijn, University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, United Kingdom and Stefan Krause, University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, B15, United Kingdom
A hybrid machine learning model to estimate nitrate contamination of production zone groundwater in the Central Valley, California (191098)
Katherine Ransom1, Bernard T Nolan2, Claudia C Faunt3, Andrew Bell1, JoAnn Gronberg4, Jon Traum5, David C. Wheeler6, Celia Rosecrans7, Kenneth Belitz8, Sandra Eberts9 and Thomas Harter10, (1)University of California, Davis, CA, United States, (2)USGS Headquarters, Reston, VA, United States, (3)USGS California Water Science Center San Diego, San Diego, CA, United States, (4)USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, (5)USGS California Water Science Center Sacramento, Sacramento, United States, (6)Virginia Commonwealth University, Department of Biostatistics, Richmond, VA, United States, (7)USGS California Water Science Center Sacramento, Sacramento, CA, United States, (8)USGS Headquarters, NAWQA, Reston, VA, United States, (9)USGS Headquarters, Reston, OH, United States, (10)Land, Air, and Water Resources, Davis, CA, United States
Characterization of Solute Transport in Subsurface Using Permeable Pavement and Artificial Precipitation (194075)
Kyungjin HAN1, Uijeon Hong1, Yuhoon Yeum1, JongHyeon Yoon1, JE Hak Lee1, Kihun Song1, Sooyoul Kwon2 and Young Kim1,3, (1)Korea University, Program in Environmental Technology and Policy, Seoul, Korea, Republic of (South), (2)Korea National Open Univ., Department of Environmental Health, Seoul, South Korea, (3)Korea University, Department of Environmental Engineering, Seoul, Korea, Republic of (South)
Identifying the hot spots of denitrification and nitrogen transformation across different land uses in the Silver Spring springshed, Florida (199065)
Xiaolin Liao1, Patrick Inglett1, Dean R Dobberfuhl2 and Andy K Canion2, (1)university of florida, Soil and water sciences department, Gainesville, FL, United States, (2)St. Johns River Water Management District, Palatka, FL, United States

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