Upper tropospheric ozone production from lightning NOx-impacted convection: Smoke ingestion case study from the DC3 campaign

Apel, E. C.; Hornbrook, R. S.; Hills, A. J.; Blake, N. J.; Barth, M. C.; Weinheimer, A.; Cantrell, C.; Rutledge, S. A.; Basarab, B.; Crawford, J.; Diskin, G.; Homeyer, C. R.; Campos, T.; Flocke, F.; Fried, A.; Blake, D. R.; Brune, W.; Pollack, I.; Peischl, J.; Ryerson, T.; Wennberg, P. O.; Crounse, J. D.; Wisthaler, A.; Mikoviny, T.; Huey, G.; Heikes, B.; O'Sullivan, D.; Riemer, D. D.

doi:10.1002/2014jd022121

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Upper tropospheric ozone production from lightning NOx-impacted convection: Smoke ingestion case study from the DC3 campaign

2015
By Apel, E. C. ; Hornbrook, R. S. ; Hills, A. J. ; ...
Source: Journal of Geophysical Research-Atmospheres, 120(6), 2505-2523.

[PDF-2.81 MB]

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Apel, E. C. ; Hornbrook, R. S. ; Hills, A. J. ; Blake, N. J. ; Barth, M. C. ; ... More +

Apel, E. C. ; Hornbrook, R. S. ; Hills, A. J. ; Blake, N. J. ; Barth, M. C. ; Weinheimer, A. ; Cantrell, C. ; Rutledge, S. A. ; Basarab, B. ; Crawford, J. ; Diskin, G. ; Homeyer, C. R. ; Campos, T. ; Flocke, F. ; Fried, A. ; Blake, D. R. ; Brune, W. ; Pollack, I. ; Peischl, J. ; Ryerson, T. ; Wennberg, P. O. ; Crounse, J. D. ; Wisthaler, A. ; Mikoviny, T. ; Huey, G. ; Heikes, B. ; O'Sullivan, D. ; Riemer, D. D. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory)

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) Less -
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As part of the Deep Convective Cloud and Chemistry (DC3) experiment, the National Science Foundation/National Center for Atmospheric Research (NCAR) Gulfstream-V (GV) and NASA DC-8 research aircraft probed the chemical composition of the inflow and outflow of two convective storms (north storm, NS, south storm, SS) originating in the Colorado region on 22 June 2012, a time when the High Park wildfire was active in the area. A wide range of trace species were measured on board both aircraft including biomass burning (BB) tracers hydrogen cyanide (HCN) and acetonitrile (ACN). Acrolein, a much shorter lived tracer for BB, was also quantified on the GV. The data demonstrated that the NS had ingested fresh smoke from the High Park fire and as a consequence had a higher VOC OH reactivity than the SS. The SS lofted aged fire tracers along with other boundary layer ozone precursors and was more impacted by lightning NOx (LNOx) than the NS. The NCAR master mechanism box model was initialized with measurements made in the outflow of the two storms. The NS and SS were predicted to produce 11 and 14ppbv of O-3, respectively, downwind of the storm over 2days. Sensitivity tests revealed that the ozone production potential of the SS was highly dependent on LNOx. Normalized excess mixing ratios, X/CO, for HCN and ACN were determined in both the fire plume and the storm outflow and found to be 7.00.5 and 2.30.5pptvppbv(-1), respectively, and 1.40.3pptvppbv(-1) for acrolein in the outflow only.
Source:

Journal of Geophysical Research-Atmospheres, 120(6), 2505-2523.
DOI:

http://dx.doi.org/10.1002/2014jd022121
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Journal Article
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urn:sha256:70bffb91c18caaa3c7d0d186dace27f0418d6f5a6c114c3169414f146461e327
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Upper tropospheric ozone production from lightning NOx-impacted convection: Smoke ingestion case study from the DC3 campaign

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