Tuesday, 9 January 2018: 10:30 AM-12:00 PM
Room 9 C (ACC) (Austin, Texas)
Cochairs:
Michael J. Prather, NASA USRA, GESTAR, Greenbelt, MD and
Steven Wofsy, Harvard Univ., School of Engineering and Applied Sciences - Earth And Planetary Sciences Department, Cambridge, MA
The NASA Atmospheric Tomography (ATom) mission has embarked on a unique global transect of tropospheric chemistry, measuring a full suite of reactive gases and aerosols along curtains through the remote Pacific and Atlantic Ocean basins. These ocean basins comprise most of the photochemical activity of the troposphere, controlling the global abundances of many species such as methane and tropospheric ozone. By the time this sessions begins, three of the four-season deployments will be completed and the datasets from the first two deployments will be publicly available. We invite presentations using ATom data, including in combination with other data, that examine the global scope of tropospheric gases and aerosols, particularly considering the evidence for and impacts of distant pollution sources on the oceanic atmosphere.
10:45 AM
5B.2
Spatial and Temporal Representativeness of ATom Transects Using GEOS-5 and GMI–CTM Simulations
Junhua Liu, NASA USRA, Greenbelt, MD; and S. A. Strode, M. J. Prather, L. Lait, A. Conaty, M. R. Damon, S. D. Steenrod, P. A. Newman, R. Commane, B. C. Daube, S. C. Wofsy, T. B. Ryerson, J. Peischl, C. Thompson, H. Bian, and S. E. Strahan
11:15 AM
5B.4
Evaluation of the Reactive Nitrogen Budget of the Remote Atmosphere in Global Models Using Airborne Measurements
Lee Thomas Murray, Univ. of Rochester, Rochester, NY; and S. A. Strode, A. M. Fiore, J. F. Lamarque, M. J. Prather, C. Thompson, J. Peischl, T. B. Ryerson, H. Allen, D. R. Blake, W. Brune, J. Crounse, J. W. Elkins, S. Hall, E. J. Hintsa, L. G. Huey, M. Kim, F. L. Moore, K. Ullmann, P. O. Wennberg, and S. C. Wofsy
11:30 AM
5B.5
Distributions of Nonmethane Hydrocarbons and Oxygenated VOCs and Their Contribution to Chemical Reactivity and HOx Production in the Most Remote Troposphere during the NASA Atmospheric Tomography (ATom) Experiment
Eric C. Apel, NCAR, Boulder, CO; and R. Hornbrook, A. Hills, J. J. Orlando, L. K. Emmons, J. F. Lamarque, E. Asher, T. Hanisco, G. M. Wolfe, J. St. Clair, C. Sweeney, K. McKain, M. Kim, J. Crounse, P. Wennberg, T. B. Ryerson, C. Thompson, J. Peischl, E. A. Ray, N. J. Blake, S. Meinardi, B. Barletta, I. J. Simpson, D. Blake, W. Brune, B. Daube, R. Commane, and S. Wofsy
11:45 AM
5B.6
The Atmospheric Tomography Mission (ATom): Comparing the Chemical Climatology of Reactive Species from Measurements and Global Models
Clare Marie Flynn, Univ. of California, Irvine, Irvine, CA; and M. J. Prather, X. Zhu, P. O. Wennberg, M. Kim, J. Crounse, T. B. Ryerson, C. Thompson, J. Peischl, T. Hanisco, G. Diskin, B. C. Daube, R. Commane, K. McKain, E. C. Apel, N. J. Blake, D. R. Blake, J. Elkins, F. L. Moore, E. J. Hintsa, S. Hall, K. Ullman, S. A. Strode, S. D. Steenrod, S. E. Strahan, J. F. Lamarque, A. M. Fiore, L. W. Horowitz, J. Mao, L. T. Murray, D. T. Shindell, and S. Wofsy
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