B126
The Bioatmospheric N Cycle: N Emissions, Transformations, Deposition, and Terrestrial and Aquatic Ecosystem Impacts I

Wednesday, 16 December 2020: 20:30-21:30
Virtual
Primary Convener:  Meredith Galanter Hastings, Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States
Conveners:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States, Rebecca Ryals, University of California Merced, School of Natural Resources, Merced, CA, United States and Maya Almaraz, National Center for Ecological Analysis and Synthesis, Santa Barbara, CA, United States
Primary Liaison:  Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States
Chairs:  Meredith Galanter Hastings, Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States, Stuart B Weiss, Creekside Center for Earth Observation, Menlo Park, CA, United States, Rebecca Ryals, University of California Merced, School of Natural Resources, Merced, CA, United States and Maya Almaraz, Brown University, Providence, RI, United States
OSPA Liaison:  Maya Almaraz, Brown University, Providence, RI, United States
20:30
B126-01
Continental scale patterns of soil nitrogen pools and transformations (Invited) (735099)
Samantha R Weintraub and Robert Lee, National Ecological Observatory Network, Battelle, Boulder, CO, United States
20:34
B126-02
Hot spots of opportunity for improved cropland nitrogen management across the United States (671953)
Eric D. Roy, University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, VT, United States, Courtney R Hammond Wagner, Stanford University, Stanford, CA, United States and Meredith Niles, University of Vermont, Burlington, United States
20:38
B126-03
Managing Legume Nitrogen Fixation to Reduce Nitrogen Losses from Farms (Invited) (749193)
Jennifer Blesh1, Alison Bressler1 and Thomas Zimnicki2, (1)University of Michigan, School for Environment and Sustainability, Ann Arbor, MI, United States, (2)Michigan Environmental Council, Lansing, MI, United States
20:42
B126-04
Atmospheric Ammonia Emissions from Nitrogen Fertilizer Application: Impacts on Air Quality at Daily Scales (683878)
Rui Wang, Xuehui Guo, Da Pan and Mark A Zondlo, Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States
20:46
B126-05
A Transition to an Ammonia Dominated World? Simulations of Future Agricultural Ammonia Emissions in an Earth System Model (727948)
Peter G M Hess, Cornell University, Ithaca, NY, United States, Julius Vira, Finnish Meteorological Institute, Helsinki, Finland and William R Wieder, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States
20:50
B126-06
Altered precipitation regimes affect NO production via nitrification in dryland soils (737715)
Alexander Krichels1, Aral Combs Greene1, Sydney I Glassman1, Marko Spasojevic2, Darrel Jenerette1 and Peter M Homyak1, (1)University of California Riverside, Riverside, CA, United States, (2)University of California Riverside, Biology, Riverside, United States
20:54
B126-07
Chronic dry nitrogen inputs alter soil microbial abundance of semi-arid shrublands in Southern California (732670)
George L Vourlitis1, Timothy Grant2 and Arun Sethuraman1, (1)California State University San Marcos, Biology, San Marcos, CA, United States, (2)California State University San Marcos, San Marcos, CA, United States
20:58
B126-08
Assessing Nitrogen Critical Loads at North Cascades National Park Service Complex (759275)
Meaghan Petix1, Michael D Bell2, Tonnie Cummings3, Alida Melse1 and R David Evans1, (1)Washington State University, School of Biological Sciences, Pullman, WA, United States, (2)National Park Service Lakewood, Lakewood, CO, United States, (3)National Park Service, Pacific West Region, Vancouver, WA, United States
21:02
Discussion
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