New insights into the column CH2 O/NO2 ratio as an indicator of near-surface ozone sensitivity

Schroeder, Jason R.; Crawford, James H.; Fried, Alan; Walega, James; Weinheimer, Andrew; Wisthaler, Armin; Müller, Markus; Mikoviny, Tomas; Chen, Gao; Shook, Michael; Blake, Donald R.; Tonnesen, Gail S.

doi:10.1002/2017jd026781

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New insights into the column CH2 O/NO2 ratio as an indicator of near-surface ozone sensitivity

2017
By Schroeder, Jason R. ; Crawford, James H. ; Fried, Alan ; ...
Source: Journal of Geophysical Research: Atmospheres, 122(16), 8885-8907

[PDF-2.43 MB]

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Schroeder, Jason R. ; Crawford, James H. ; Fried, Alan ; Walega, James ; Weinheimer, Andrew ; ... More +

Schroeder, Jason R. ; Crawford, James H. ; Fried, Alan ; Walega, James ; Weinheimer, Andrew ; Wisthaler, Armin ; Müller, Markus ; Mikoviny, Tomas ; Chen, Gao ; Shook, Michael ; Blake, Donald R. ; Tonnesen, Gail S. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
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Satellite-based measurements of the column CH 2O/NO 2ratio have previously been used to estimate near-surface ozone (O 3) sensitivity (i.e., NO xor VOC limited), and the forthcoming launch of air quality-focused geostationary satellites provides a catalyst for reevaluating the ability of satellite-measured CH2O/NO 2to be used in this manner. In this study, we use a 0-D photochemical box model to evaluate O 3 sensitivity and ﬁnd that the relative rate of radical termination from radical-radical interactions to radical-NO x interactions (referred to as LRO x/LNO x) provides a good indicator of maximum O 3production along NO x ridgelines. Using airborne measurements from NASA ’s Deriving Information on Surface Conditions from
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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
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Journal of Geophysical Research: Atmospheres, 122(16), 8885-8907
DOI:

https://doi.org/10.1002/2017jd026781
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2169-897X
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:e8830ab6883122587305b87adc94b7c15cf7731965b362602872df7ee8d48a40
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