Premium
Quantifying sources and sinks of reactive gases in the lower atmosphere using airborne flux observations
Author(s) -
Wolfe G. M.,
Hanisco T. F.,
Arkinson H. L.,
Bui T. P.,
Crounse J. D.,
DeanDay J.,
Goldstein A.,
Guenther A.,
Hall S. R.,
Huey G.,
Jacob D. J.,
Karl T.,
Kim P. S.,
Liu X.,
Marvin M. R.,
Mikoviny T.,
Misztal P. K.,
Nguyen T. B.,
Peischl J.,
Pollack I.,
Ryerson T.,
St. Clair J. M.,
Teng A.,
Travis K. R.,
Ullmann K.,
Wennberg P. O.,
Wisthaler A.
Publication year - 2015
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1002/2015gl065839
Subject(s) - environmental science , eddy covariance , atmospheric sciences , deposition (geology) , aerosol , atmosphere (unit) , flux (metallurgy) , reactive nitrogen , atmospheric chemistry , meteorology , ozone , ecosystem , chemistry , nitrogen , geology , physics , ecology , paleontology , organic chemistry , sediment , biology
Atmospheric 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.