B13G
The Bioatmospheric N Cycle: N Emissions, Transformations, Deposition, and Terrestrial and Aquatic Ecosystem Impacts III Posters

Monday, 14 December 2015: 13:40-18:00
Poster Hall (Moscone South)
Primary Conveners:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States
Conveners:  Meredith Galanter Hastings, Brown Univ-Geological Sciences, Providence, RI, United States and Rebecca Ryals, Brown University, Providence, RI, United States
Chairs:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States and Meredith Galanter Hastings, Brown Univ-Geological Sciences, Providence, RI, United States
OSPA Liaisons:  Rebecca Ryals, Brown University, Providence, RI, United States
 
The Nitrogen Footprint Tool for Institutions: Comparing Results for a Diverse Group of Institutions (70138)
Elizabeth Castner, University of Virginia Main Campus, Charlottesville, VA, United States
 
The Paradox of High Subsurface [N2O] and Low Surface Flux of N2O to the Atmosphere (67078)
Julie N Weitzman, Pennsylvania State University Main Campus, University Park, PA, United States and Jason P Kaye, The Pennsylvania State University, Department of Ecosystem Science and Management, University Park, PA, United States
 
Methane and Nitrous Oxide Temporal and Spatial Variability in Midwestern Streams Containing High Nitrate Concentrations (74364)
Richard L Smith, USGS, Boulder, CO, United States and John Karl Bohlke, USGS, Reston, VA, United States
 
Nitrogen fertilizer increases nitrous oxide, but not dinitrogen, emissions from moist tropical forest soils in Puerto Rico (85094)
Maya Almaraz1, Stephen Porder1 and Peter M Groffman2, (1)Brown University, Providence, RI, United States, (2)Cary Inst Ecosystem Studies, Millbrook, NY, United States
 
Antibiotics and Manure Effects on Microbial Communities Responsible for Nitrous Oxide Emissions from Grasslands (83119)
Miguel Semedo1, Bongkeun Song2, Tavis Sparrer1, Carl Crozier3, Craig R Tobias4 and Rebecca L Phillips5, (1)Virginia Institute of Marine Science, Gloucester Point, VA, United States, (2)Virginia Institute of Marine Science, Biological Sciences, Gloucester Point, VA, United States, (3)North Carolina State University Raleigh, Soil Science, Raleigh, NC, United States, (4)University of Connecticut, Department of Marine Sciences, Groton, CT, United States, (5)Landcare Research, Hamilton, New Zealand
 
The influence of woody encroachment on the nitrogen cycle: fixation, storage and gas loss (67522)
Fiona Soper and Jed P Sparks, Cornell University, Ithaca, NY, United States
 
DETERMINING ENVIRONMENTAL FACTORS CONTROLLING NITROGEN CYCLING IN THE SEMI-ARID RIO GRANDE USING NITROGEN AND OXYGEN ISOTOPES (83898)
Diego Alberto Sanchez, University of Tennessee, Knoxville, TN, United States
 
Nitrogen Inputs via Nitrogen Fixation in Northern Plants and Soils (85647)
Nathan R Thorp, University of New Hampshire Main Campus, Durham, NH, United States
 
Biological N2-fixation in Boreal Peatlands of Alberta Canada Following Acute N-Deposition: Down-Regulation and Subsequent Post-Recovery Projections. (86748)
Hope Fillingim and Hope marie Fillingim, Villanova University, Geography & The Environment, Villanova, PA, United States
 
Sphagnum N and P Stoichiometry Indicates P-limitation on N2 Fixation in Ombrotrophic Bogs (82644)
Tatjana Zivkovic, McGill University, Montreal, QC, Canada
 
Seasonally dependent iron limitation of nitrogen fixation in tropical forests of karst landscapes (65314)
Joy Beth Winbourne1, Steven Brewer2 and Benjamin Z Houlton1, (1)University of California Davis, Davis, CA, United States, (2)Copperhead Consulting, Ashville, NC, United States
 
The Influence of Geologic Nitrogen on Douglas Fir Foliar Mass and Elemental Composition (75375)
Scott Allen Mitchell, University of California Davis, Davis, CA, United States
 
Thinning intensity influences on soil microbial and inorganic nitrogen in Pinus densiflora forests, central Korea (71726)
Seongjun Kim, Korea University, Seoul, South Korea
 
Implications of Land-Use and Land-Management Changes for Nitrogen Losses in South American Ecosystems (68129)
Claire Zarakas, Princeton University, Princeton, NJ, United States
 
How the Impacts of N Loading on Resource Limitation, Functional Composition of Plankton, and Net Primary Production Influence Nitrate Uptake and Trophic Transfer in Lake Ecosystems (64113)
Ford Ballantyne, University of Georgia, Athens, GA, United States
 
Combining Push Pull Tracer Tests and Microbial DNA and mRNA Analysis to Assess In-Situ Groundwater Nitrate Transformations (83487)
Wesley Henson1, Wendy D Graham2, Laibin Huang3 and Andrew Ogram3, (1)USGS, Baltimore, MD, United States, (2)University of Florida, Ft Walton Beach, FL, United States, (3)University of Florida, Soil and Water Science, Gainesville, FL, United States
 
Impact of Pristine Groundwater Upwelling on Nitrate Impairment of Streams (58827)
Morvarid Azizian, University of California Irvine, Irvine, CA, United States and Stanley Baugh Grant, University of California Irvine, Civil and Environmental Engineering, Irvine, CA, United States
 
Developing Critical Loads of acidity for streams in the Great Smoky Mountains National Park, using PnET-BGC model (86443)
Habibollah Fakhraei, Syracuse University, Syracuse, NY, United States
 
Spatial Variation of Atmospheric Nitrogen Deposition and Estimated Critical Loads for Aquatic Ecosystems in the Greater Yellowstone Area (83280)
Leora Nanus, San Francisco State University, San Francisco, CA, United States
 
Characterization of Atmospheric Nitrate Dynamics in a Sub-Alpine Watershed Using Δ17O and δ15N (71885)
Ilann Bourgeois1, Joel P Savarino1 and Jean-Christophe Clement2, (1)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (2)LECA Laboratoire d'Ecologie Alpine, Saint Martin d'Hères, France
 
Spatio-temporal variability in isotopic signatures of atmospheric NOx emissions from vehicles (86281)
David J Miller1, Paul Wojtal1, Mary O'Connor1, Sydney Clark1 and Meredith Galanter Hastings2, (1)Brown University, Providence, RI, United States, (2)Brown Univ-Geological Sciences, Providence, RI, United States
 
Nitrogen Stable Isotope Composition of Various Fossil-fuel Combustion Nitrogen Oxide Sources (81983)
Wendell Walters, Purdue University, West Lafayette, IN, United States
 
Analyzing drivers of variability in the Δ17O of nitrate in the northwestern United States (78011)
Sarah M Anderson1, Serena H Chung1, Jeffrey M Welker2, Benjamin Harlow1 and R Dave Evans3, (1)Washington State University, Pullman, WA, United States, (2)University of Alaska Anchorage, Anchorage, AK, United States, (3)School of Biological Sciences, Pullman, WA, United States
 
The El Niño Southern Oscillation (ENSO) induced modulations in precipitation and nitrogen wet deposition rates in the continental United States (76135)
Tsengel Nergui1, Serena H Chung1, Jennifer C Adam1 and R Dave Evans2, (1)Washington State University, Pullman, WA, United States, (2)School of Biological Sciences, Pullman, WA, United States
 
Atmospheric deposition of nitrogen and sulfur in Louisiana (72804)
Hongliang Zhang, Louisiana State University, Civil and Environmental Engineering, BATON ROUGE, LA, United States
 
Distribution of atmospheric reactive nitrogen at two sites of different socio- economic characteristics in IndoGangetic Plain(IGP) region, India. (60729)
Saumya Singh, Jawharlal Nehru University, School of Environmental Sciences, New Delhi, India
 
COULD POOR FENS BE MORE SENSITIVE THAN BOGS TO ELEVATED N DEPOSITION IN THE OIL SANDS REGION OF NORTHERN ALBERTA? (81910)
R. Kelman Wieder, Melanie A Vile and Kimberli D Scott, Villanova University, Villanova, PA, United States
 
Effects of nitrogen deposition on carbon and nitrogen dynamics: a model-data comparison at an alpine meadow on the Qinghai Tibetan Plateau (84718)
Li Zhang1, Pan Li2, Huajun Fang1, Xiaoli Ren1, Honglin He3, Yingnian Li4 and Guirui Yu1, (1)IGSNRR Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, China, (2)Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China, (3)Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, (4)Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
 
Impact of Physical-Chemical Properties on Ammonia Emissions of Dairy Manure (80486)
Kedar Koirala, Washington State University Vancouver, Vancouver, WA, United States
 
Eddy covariance measurements of NH3 fluxes over a natural grass land with an open-path quantum cascade laser-based sensor (81053)
Da Pan, Princeton University, Princeton, NJ, United States
 
Exchange of Atmospheric Ammonia in a Mature Corn Canopy (71460)
LaToya Myles, NOAA ATDD, Oak Ridge, TN, United States and Mark Heuer, NOAA/ATDD, Oak Ridge, TN, United States
 
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