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Quantifying Sources and Sinks of Reactive Gases in the Lower Atmosphere Using Airborne Flux ObservationsAtmospheric composition is governed by the interplay of emissions, chemistry, deposition, and transport. Substantial questions surround each of these processes, especially in forested environments with strong biogenic emissions. Utilizing aircraft observations acquired over a forest in the southeast U.S., we calculate eddy covariance fluxes for a suite of reactive gases and apply the synergistic information derived from this analysis to quantify emission and deposition fluxes, oxidant concentrations, aerosol uptake coefficients, and other key parameters. Evaluation of results against state-of-the-science models and parameterizations provides insight into our current understanding of this system and frames future observational priorities. As a near-direct measurement of fundamental process rates, airborne fluxes offer a new tool to improve biogenic and anthropogenic emissions inventories, photochemical mechanisms, and deposition parameterizations.
Document ID
20150023277
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Wolfe, G. M.
(Maryland Univ. Baltimore County Baltimore, MD, United States)
Hanisco, T. F.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Arkinson, H. L.
(Maryland Univ. College Park, MD, United States)
Bui, T. P.
(NASA Ames Research Center Moffett Field, CA, United States)
Crounse, J. D.
(California Inst. of Tech. Pasadena, CA, United States)
Dean-Day, J.
(Bay Area Environmental Research Inst. Moffett Field, CA, United States)
Goldstein, A.
(California Univ. Berkeley, CA, United States)
Guenther, A.
(Pacific Northwest National Lab. Richland, WA, United States)
Hall, S. R.
(National Center for Atmospheric Research Boulder, CO, United States)
Huey, G.
(Georgia Inst. of Tech. Atlanta, GA, United States)
Jacob, D. J.
(Harvard Univ. Cambridge, MA, United States)
Karl, T.
(Innsbruck Univ. Austria)
Kim, P. S.
(Harvard Univ. Cambridge, MA, United States)
Liu, X.
(Georgia Inst. of Tech. Atlanta, GA, United States)
Marvin, M. R.
(Maryland Univ. College Park, MD, United States)
Mikoviny, T.
(Oslo Univ. Norway)
Misztal, P. K.
(California Univ. Berkeley, CA, United States)
Nguyen, T. B.
(California Inst. of Tech. Pasadena, CA, United States)
Peischl, J.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Pollack, I.
(Colorado Univ. Boulder, CO, United States)
Ryerson, T.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
St. Clair, J. M.
(California Inst. of Tech. Pasadena, CA, United States)
Teng, A.
(California Inst. of Tech. Pasadena, CA, United States)
Travis, K. R.
(Harvard Univ. Cambridge, MA, United States)
Ullmann, K.
(National Center for Atmospheric Research Boulder, CO, United States)
Wennberg, P.O.
(California Inst. of Tech. Pasadena, CA, United States)
Wisthaler, A.
(Oslo Univ. Norway)
Date Acquired
December 18, 2015
Publication Date
October 16, 2015
Publication Information
Publication: Geophysical Research Letters
Publisher: Geophysical Research Letters
Volume: 42
Issue: 19
Subject Category
Environment Pollution
Report/Patent Number
GSFC-E-DAA-TN27788
Funding Number(s)
CONTRACT_GRANT: NNX12AD03A
CONTRACT_GRANT: NNX12AD05A
CONTRACT_GRANT: NNX15AT34A
CONTRACT_GRANT: SAA1-19345
Distribution Limits
Public
Copyright
Other
Keywords
emission
isoprene
atmosphere
deposition
biosphere
chemistry
flux

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