Ozone chemistry in western US wildfire plumes

被引：85

作者：

Xu, Lu ^{[1
,4
,5
]}

Crounse, John D. ^{[1
]}

Vasquez, Krystal T. ^{[2
]}

Allen, Hannah ^{[2
]}

Wennberg, Paul O. ^{[1
,3
]}

Bourgeois, Ilann ^{[4
,5
]}

Brown, Steven S. ^{[4
,6
]}

Campuzano-Jost, Pedro ^{[5
,6
]}

Coggon, Matthew M. ^{[4
,5
]}

Crawford, James H. ^{[7
]}

DiGangi, Joshua P. ^{[7
]}

Diskin, Glenn S. ^{[7
]}

Fried, Alan ^{[8
]}

Gargulinski, Emily M. ^{[9
]}

Gilman, Jessica B. ^{[4
]}

Gkatzelis, Georgios, I ^{[4
,5
,23
]}

Guo, Hongyu ^{[5
,6
]}

Hair, Johnathan W. ^{[7
]}

Hall, Samuel R. ^{[10
]}

Halliday, Hannah A. ^{[7
,24
]}

Hanisco, Thomas F. ^{[11
]}

Hannun, Reem A. ^{[11
,12
]}

Holmes, Christopher D. ^{[13
]}

Huey, L. Gregory ^{[14
]}

Jimenez, Jose L. ^{[5
,6
]}

Lamplugh, Aaron ^{[4
,5
]}

Lee, Young Ro ^{[14
]}

Liao, Jin ^{[11
,15
]}

Lindaas, Jakob ^{[16
]}

Neuman, J. Andrew ^{[4
,5
]}

Nowak, John B. ^{[7
]}

Peischl, Jeff ^{[4
,5
]}

Peterson, David A. ^{[17
]}

Piel, Felix ^{[18
,19
,20
]}

Richter, Dirk ^{[8
]}

Rickly, Pamela S. ^{[4
,5
]}

Robinson, Michael A. ^{[4
,5
,6
]}

Rollins, Andrew W. ^{[4
]}

Ryerson, Thomas B. ^{[4
,25
]}

Sekimoto, Kanako ^{[21
]}

Selimovic, Vanessa ^{[22
]}

Shingler, Taylor ^{[7
]}

Soja, Amber J. ^{[7
,9
]}

St Clair, Jason M. ^{[11
,12
]}

Tanner, David J. ^{[14
]}

Ullmann, Kirk ^{[10
]}

Veres, Patrick R. ^{[4
]}

Walega, James ^{[8
]}

Warneke, Carsten ^{[4
]}

Washenfelder, Rebecca A. ^{[4
]}

机构：

[1] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[2] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA

[3] CALTECH, Div Engn & Appl Sci, Pasadena, CA 91125 USA

[4] NOAA, Chem Sci Lab, Boulder, CO 80305 USA

[5] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA

[6] Univ Colorado, Dept Chem, Boulder, CO 80309 USA

[7] NASA, Langley Res Ctr, Hampton, VA 23665 USA

[8] Univ Colorado, Inst Arctic & Alpine Res, Boulder, CO 80309 USA

[9] Natl Inst Aerosp, Hampton, VA USA

[10] Natl Ctr Atmospher Res, Atmospher Chem Observat & Modeling Lab, POB 3000, Boulder, CO 80307 USA

[11] NASA, Goddard Space Flight Ctr, Atmospher Chem & Dynam Lab, Greenbelt, MD USA

[12] Univ Maryland Baltimore Cty, Joint Ctr Earth Syst Technol, Baltimore, MD 21228 USA

[13] Florida State Univ, Dept Earth Ocean & Atmospher Sci, Tallahassee, FL 32306 USA

[14] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA

[15] Univ Space Res Assoc, Columbia, MD USA

[16] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA

[17] US Naval Res Lab, Monterey, CA USA

[18] Univ Oslo, Dept Chem, Oslo, Norway

[19] IONICON Analyt GmbH, Innsbruck, Austria

[20] Univ Innsbruck, Inst Ionenphys & Angew Phys, Innsbruck, Austria

[21] Yokohama City Univ, Grad Sch Nanobiosci, Kanazawa Ku, 22-2 Seto, Yokohama, Kanagawa, Japan

[22] Univ Montana, Dept Chem & Biochem, Missoula, MT 59812 USA

[23] Forschungszentrum Julich, Inst Energy & Climate Res, IEK 8 Troposphere, Julich, Germany

[24] US EPA, Res Triangle Pk, NC 27711 USA

[25] Sci Aviat, Boulder, CO USA

来源：

SCIENCE ADVANCES | 2021年 / 7卷 / 50期

关键词：

VOLATILE ORGANIC-COMPOUNDS; HIGH NORTHERN LATITUDES; TRACE GASES; AIR-QUALITY; ATMOSPHERIC OXIDATION; AIRBORNE MEASUREMENTS; MASS-SPECTROMETRY; REACTIVE NITROGEN; AEROSOL FORMATION; EMISSION FACTORS;

D O I：

10.1126/sciadv.abl3648

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Wildfires are a substantial but poorly quantified source of tropospheric ozone (O-3). Here, to investigate the highly variable O-3 chemistry in wildfire plumes, we exploit the in situ chemical characterization of western wildfires during the FIREX-AQ flight campaign and show that O-3 production can be predicted as a function of experimentally constrained OH exposure, volatile organic compound (VOC) reactivity, and the fate of peroxy radicals. The O-3 chemistry exhibits rapid transition in chemical regimes. Within a few daylight hours, the O-3 formation substantially slows and is largely limited by the abundance of nitrogen oxides (NOx). This finding supports previous observations that O-3 formation is enhanced when VOC-rich wildfire smoke mixes into NOx-rich urban plumes, thereby deteriorating urban air quality. Last, we relate O-3 chemistry to the underlying fire characteristics, enabling a more accurate representation of wildfire chemistry in atmospheric models that are used to study air quality and predict climate.

引用

页数：10

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