B11L:
The Bio-Atmospheric N Cycle: N Emissions, Transformations, Deposition, and Terrestrial and Aquatic Ecosystem Impacts I

Monday, 15 December 2014: 8:00 AM-10:00 AM
Chairs:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States, Emily M. Elliott, University of Pittsburgh, Pittsburgh, PA, United States, Meredith Galanter Hastings, Brown Univ-Geological Sciences, Providence, RI, United States and Rebecca Ryals, Brown University, Providence, RI, United States
Primary Conveners:  Emily M. Elliott, University of Pittsburgh, Pittsburgh, PA, United States
Co-conveners:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States
OSPA Liaisons:  Emily M. Elliott, University of Pittsburgh, Pittsburgh, PA, United States

Abstracts Submitted to this Session:

8:00 AM
B11L-01
 
The Global Nitrogen Cycle; Emissions, Transformations and Deposition of Reactive Nitrogen and Effects on Terrestrial Ecosystems in the 21st Century
David Fowler, Center for Ecology and Hydrology Penicuik, Penicuik, United Kingdom
8:15 AM
B11L-02
 
Laboratory and Field Measurements of the Nitrogen Isotopic Composition of NOx
Dorothy L Fibiger1, David J Miller2, Bigyan R Dahal1, Audrey F Lew3, Richard Peltier4 and Meredith Galanter Hastings3, (1)Brown University, Chemistry, Providence, RI, United States, (2)Brown University, Providence, RI, United States, (3)Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States, (4)University of Massachusetts, Environmental Health Sciences, Amherst, United States
8:30 AM
B11L-03
 
Patterns in atmospheric circulation affect emission sources contributing to nitrogen deposition in the Columbia River Gorge, Pacific Northwest USA
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, Department of Biological Sciences, Anchorage, AK, United States, (3)School of Biological Sciences, Pullman, WA, United States
8:45 AM
B11L-04
 
Modelling the Contribution of Long-range Transport of Ammonium Nitrates to Urban Air Pollution and Human Exposure in the United Kingdom
Massimo Vieno1,2, Stefan Reis2, Rachel Beck2, Riinu Ots2, Andrea Moring2, Susanne Steinle2, Mathew R Heal3 and Ruth M Doherty1, (1)University of Edinburgh, Edinburgh, United Kingdom, (2)Centre for Ecology & Hydrology, Penicuik, United Kingdom, (3)University of Edinburgh, School of Chemistry, Edinburgh, United Kingdom
9:00 AM
B11L-05
 
Assessing the Fate of Nitrogen Deposition on the Colorado Plateau
Carla Roybal, US Geological Survey, Canyonlands Research Station, Moab, UT, United States, Jayne Belnap, USGS, Moab, UT, United States, Lisa Floyd-Hanna, Prescott College, Environmental Studies, Prescott, AZ, United States, Timothy Crews, The Land Institute, Salina, KS, United States and Sasha Reed, Southwest Biological Science Center Moab, Moab, UT, United States
9:15 AM
B11L-06
 
Atmospheric and Microbial Nitrate Contributions to Streams across a Regional Nitrogen Deposition Gradient
Lucy Rose and Emily M. Elliott, University of Pittsburgh, Pittsburgh, PA, United States
9:30 AM
B11L-07
 
Community‑specific biogeochemical responses to atmospheric nitrogen deposition in subalpine meadow ecosystems of the Cascade Range
Justin Paul Poinsatte, Washington State University, Pullman, WA, United States, Regina Rochefort, North Cascades National Park Service Complex, Sedro-Woolley, WA, United States and R Dave Evans, School of Biological Sciences, Pullman, WA, United States
9:45 AM
B11L-08
 
Fresh Insights into the Sources and Distribution of Peroxyacetyl Nitrate (PAN) from New In Situ and Satellite Observations
Emily V Fischer1, Vivienne Payne2, Jake Zaragoza1, Liye Zhu3, Zhe Jiang4, John Worden5, Barkley C Sive6, Yong Zhou7, Matthew James Alvarado8, Andrew Abeleira1, Sara Lynn Callahan1 and Delphine K Farmer9, (1)Colorado State University, Fort Collins, CO, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)Univ of Colorado at Boulder, Boulder, CO, United States, (4)Jet Propulsion Laboratory, Pasadena, CA, United States, (5)JPL / Caltech, Pasadena, CA, United States, (6)National Park Service Denver, Denver, CO, United States, (7)Appalachian State University, Boone, NC, United States, (8)AER, Inc., Lexington, MA, United States, (9)Colorado State University, Department of Chemistry, Fort Collins, CO, United States
 
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