A52F:
Tropospheric Chemistry-Climate Interactions IV

Friday, 19 December 2014: 10:20 AM-12:20 PM
Chairs:  Lee T Murray, NASA Goddard Institute for Space Studies, New York, NY, United States and James J West, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
Primary Conveners:  Lee T Murray, Lamont Doherty Earth Observatory, Palisades, NY, United States; NASA Goddard Institute for Space Studies, New York, NY, United States
Co-conveners:  Christopher D Holmes, UC Irvine, Irvine, CA, United States, Timothy H Bertram, University of California San Diego, La Jolla, CA, United States and James J West, Univ. of North Carolina, Chapel Hill, NC, United States
OSPA Liaisons:  Christopher D Holmes, University of California Irvine, Irvine, CA, United States

Abstracts Submitted to this Session:

10:20 AM
 
Using Satellite Observations of Cloud Vertical Distribution to Improve Global Model Estimates of Cloud Radiative Effect on Key Tropospheric Oxidants
Hongyu Liu1, Seung-Hee Ham2, James H Crawford2, Seiji Kato2, Gao Chen2, Apostolos Voulgarakis3 and Bryan N Duncan4, (1)National Institute of Aerospace, Hampton, VA, United States, (2)NASA Langley Research Center, Hampton, VA, United States, (3)Imperial College London, London, United Kingdom, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States
10:35 AM
 
Air Mass Origin in the Arctic and its Response to Future Warming
Clara Orbe, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Paul A. Newman, NASA GSFC, Code 610, Greenbelt, MD, United States, Darryn W Waugh, Johns Hopkins Univ, Baltimore, MD, United States, Mark B Holzer, University of New South Wales, Sydney, Australia, Luke Oman, NASA/GSFC, Greenbelt, MD, United States, Lorenzo M Polvani, Columbia University, New York, NY, United States and Feng Li, Goddard Earth Science Technology and Research, Greenbelt, MD, United States
10:50 AM
 
Where is the equator? A definition based on the atmosphere and its implications for atmospheric chemistry and climate
Christopher D Holmes and Michael J Prather, University of California Irvine, Irvine, CA, United States
11:05 AM
 
Biogenic VOC and Climate
Alex B Guenther, Pacific Northwest National Laboratory, Richland, WA, United States; Washington State University, Pullman, WA, United States
11:20 AM
 
Vegetation-mediated Climate Impacts on Historical and Future Ozone Air Quality
Amos P. K. Tai1, Yu Fu1, Loretta J. Mickley2, Colette L Heald3 and Shiliang Wu4, (1)Chinese University of Hong Kong, Earth System Science Programme, Hong Kong, Hong Kong, (2)Harvard University, Engineering and Applied Sciences, Cambridge, MA, United States, (3)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (4)Michigan Technological University, Geological and Mining Engineering and Sciences, Houghton, MI, United States
11:35 AM
 
Land Use Change Impacts on Air Quality and Climate
Colette L Heald, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States and Dominick V Spracklen, University of Leeds, Leeds, United Kingdom
11:50 AM
 
Strong Vegetation-Chemistry-Climate Feedbacks in the Pliocene
Nadine Unger, Yale University, New Haven, CT, United States
12:05 PM
 
Sensitivity of atmospheric oxidation chemistry to climate inferred from Greenland ice core records of Δ17O(NO3-)
Lei Geng1, Becky Alexander1 and Lee T Murray2, (1)University of Washington, Seattle, WA, United States, (2)NASA Goddard Institute for Space Studies, New York, NY, United States
 
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