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


Session ID#: 10259

Session Description:
Biogenic and anthropogenic emissions of reactive nitrogen (Nr) are transported, chemically transformed, and deposited on land and waters, altering structure and function of ecosystems and degrading environmental quality.  Estimating atmospheric N emissions and deposition, and evaluating ecosystem responses require a diverse array of measurements and models that link processes at multiple scales.  We seek presentations on physical, chemical, biological, and anthropogenic processes that drive local, regional and global nitrogen exchange, impacts on ecosystems, carbon uptake, nitrogen export, biodiversity, human health, and policy implications and responses.
Primary Convener:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States
Conveners:  Meredith Galanter Hastings, Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, 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 University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States
OSPA Liaison:  Rebecca Ryals, Brown University, Providence, RI, United States

Cross-Listed:
  • A - Atmospheric Sciences
  • GC - Global Environmental Change
  • H - Hydrology
  • OS - Ocean Sciences
Co-Sponsor(s):
  • IGBP: International Geosphere-Biosphere Programme -
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0426 Biosphere/atmosphere interactions [BIOGEOSCIENCES]
0469 Nitrogen cycling [BIOGEOSCIENCES]
0478 Pollution: urban, regional and global [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

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, Allison M. Leach, University of New Hampshire Main Campus, Durham, NH, United States, James N Galloway, University of Virginia, Environmental Sciences, Charlottesville, VA, United States, Meredith Galanter Hastings, Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States, Jonathan Lantz-Trissel, Eastern Mennonite University, Harrisonburg, VA, United States, Neil Leary, Dickinson College, Carlisle, PA, United States, Jacob Kimiecik, Colorado State University, Fort Collins, CO, United States and Elizabeth de la Reguera, Marine Biological Laboratory, Woods Hole, MA, United States
The Paradox of High Subsurface [N2O] and Low Surface Flux of N2O to the Atmosphere (67078)
Julie N Weitzman, The Pennsylvania State University, Department of Ecosystem Science and Management, University Park, United States and Jason P Kaye, 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 Water Mission Area, Boulder, United States and John Karl Bohlke, USGS, 431 National Center, Reston, VA, United States
Nitrogen fertilizer increases nitrous oxide, but not dinitrogen, emissions from moist tropical forest soils in Puerto Rico (85094)
Maya Almaraz, University of California Davis, Joh Muir Institute of the Environment, Davis, United States, Stephen Porder, Brown University, Ecology and Evolutionary Biology, Providence, RI, United States and Peter M Groffman, Cary Inst Ecosystem Studies, Millbrook, 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, 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
DETERMINING ENVIRONMENTAL FACTORS CONTROLLING NITROGEN CYCLING IN THE SEMI-ARID RIO GRANDE USING NITROGEN AND OXYGEN ISOTOPES (83898)
Diego Alberto Sanchez1, Anna Szynkiewicz2 and Anthony M Faiia1, (1)University of Tennessee, Knoxville, TN, United States, (2)University of Tennessee, Department of Earth and Planetary Sciences, 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, R. Kelman Wieder, Villanova University, Villanova, PA, United States and Melanie A Vile, Villanova University, Geography & the Environment, Villanova, PA, 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, Villanova University, Geography & The Environment, Villanova, PA, United States and Melanie A Vile, 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 Živković1, Tim R Moore2 and Kristina Disney2, (1)McGill University, Geography, Montreal, QC, Canada, (2)McGill University, Montreal, QC, Canada
Seasonally dependent iron limitation of nitrogen fixation in tropical forests of karst landscapes (65314)
Joy Beth Winbourne, University of California Davis, Davis, CA, United States, Steven Brewer, Copperhead Consulting, Ashville, NC, United States and Benjamin Z Houlton, University of California Davis, Department of Land, Air and Water Resources, Davis, CA, United States
The Influence of Geologic Nitrogen on Douglas Fir Foliar Mass and Elemental Composition (75375)
Scott Allen Mitchell1, Scott Morford1, Benjamin Z Houlton2, Randy A Dahlgren1 and Katherine A Dynarski1, (1)University of California Davis, Davis, CA, United States, (2)University of California Davis, Department of Land, Air and Water Resources, Davis, CA, United States
Thinning intensity influences on soil microbial and inorganic nitrogen in Pinus densiflora forests, central Korea (71726)
Seongjun Kim1, Guanlin Li1, Hyeon Min Yun1, Seung Hyun Han1, Jongyeol Lee1, Choonsig Kim2, Sang-Tae Lee3 and Yowhan Son4, (1)Korea University, Seoul, Korea, Republic of (South), (2)Gyeongnam National University of Science and Technology, Jinju, Korea, Republic of (South), (3)Forest Practice Research Center, Korea Forest Research Institute, Pocheon, Korea, Republic of (South), (4)Korea University, Department of Environmental Science and Ecological Engineering, 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 and Jarad Mellard, Station d’Ecologie Expérimentale du CNRS à Moulis, Moulis, France
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, Virginia Polytechnic Institute and State University, Civil and Environmental Engineering, Blacksburg, 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, Geography & Environment, San Francisco, CA, United States, Jill A McMurray, US Forest Service Bozeman, Bozeman, MT, United States, David W Clow, USGS Colorado Water Science Center Denver, Denver, CO, United States, Jasmine E Saros, University of Maine, Orono, ME, United States and Tamara Blett, National Park Service, Lakewood, CO, 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 Clément2, (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 C Clark2 and Meredith Galanter Hastings2, (1)Brown University, Providence, RI, United States, (2)Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States
Nitrogen Stable Isotope Composition of Various Fossil-fuel Combustion Nitrogen Oxide Sources (81983)
Wendell Walters, University of South Carolina, West Lafayette, United States, Greg Michalski, Purdue University, Earth, Atmospheric & Planetary Sciences, West Lafayette, IN, United States and Huan Fang, 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 Harlow3 and Raymond David Evans4, (1)Washington State University, Pullman, WA, United States, (2)University of Alaska Anchorage, Anchorage, AK, United States, (3)Washington State University, Stable Isotope Research Facility, Pullman, WA, United States, (4)Washington State University, 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 Nergui, Washington State University, Pullman, United States, Serena H Chung, Washington State University, Pullman, WA, United States, Jennifer C Adam, Washington State University, Civil and Environmental Engineering, Pullman, WA, United States and Raymond David Evans, Washington State University, School of Biological Sciences, Pullman, WA, United States
Atmospheric deposition of nitrogen and sulfur in Louisiana (72804)
Hongliang Zhang, Fudan University, Shanghai, China and Hao Guo, University of California Irvine, Earth System Science Department, Irvine, CA, United States
Distribution of atmospheric reactive nitrogen at two sites of different socio- economic characteristics in IndoGangetic Plain(IGP) region, India. (60729)
Saumya Singh1, Anshu Sharma1 and UC Kulshrestha2, (1)Jawharlal Nehru University, School of Environmental Sciences, New Delhi, India, (2)Jawaharlal 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 Wieder1,2, Melanie A Vile3 and Kimberli D Scott1, (1)Villanova University, Biology, Villanova, PA, United States, (2)Athabasca University, Faculty of Science & Technology, Athabasca, Canada, (3)Villanova University, Geography & the Environment, 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 Ren3, Honglin He4, Yingnian Li5 and Guirui Yu6, (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, Key Laboratory of Ecosystem Network Observation and Modeling, Beijing, China, (4)Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, (5)Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China, (6)Key Laboratory of Ecosystem Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
Impact of Physical-Chemical Properties on Ammonia Emissions of Dairy Manure (80486)
Kedar Koirala, Washington State University, Pullman, WA, United States and Dr. Pius Ndegwa
Eddy covariance measurements of NH3 fluxes over a natural grass land with an open-path quantum cascade laser-based sensor (81053)
Da Pan1, Katherine Beem Benedict2, Jay M Ham3, Anthony J Prenni4, Bret A Schichtel5, Jeffrey Lee Collett Jr3 and Mark A Zondlo6, (1)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States, (2)University of California Davis, Davis, CA, United States, (3)Colorado State University, Fort Collins, CO, United States, (4)National Park Service Lakewood, Air Resources Division, Lakewood, CO, United States, (5)National Park Service, Air Resources Division, Denver, CO, United States, (6)Princeton University, Civil and Environmental Engineering, Princeton, United States
Exchange of Atmospheric Ammonia in a Mature Corn Canopy (71460)
LaToya Myles, NOAA ATDD, Oak Ridge, United States and Mark Heuer, NOAA/ARL/ATDD, Oak Ridge, TN, United States

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