globalchange  > 影响、适应和脆弱性
DOI: 10.1002/jgrd.50721
论文题名:
Understanding the role of the ground surface in HONO vertical structure: High resolution vertical profiles during NACHTT-11
作者: Vandenboer T.C.; Brown S.S.; Murphy J.G.; Keene W.C.; Young C.J.; Pszenny A.A.P.; Kim S.; Warneke C.; De Gouw J.A.; Maben J.R.; Wagner N.L.; Riedel T.P.; Thornton J.A.; Wolfe D.E.; Dubé W.P.; Öztürk F.; Brock C.A.; Grossberg N.; Lefer B.; Lerner B.; Middlebrook A.M.; Roberts J.M.
刊名: Journal of Geophysical Research Atmospheres
ISSN: 21698996
出版年: 2013
卷: 118, 期:17
起始页码: 10155
结束页码: 10171
语种: 英语
英文关键词: nitrous acid (HONO) ; OH source ; surface depostion ; vertical gradients
Scopus关键词: Molecules ; Nitrogen compounds ; Nitrogen oxides ; Aerosol composition ; Chemical ionization ; Nitrous acid ; Nocturnal boundary layers ; OH source ; Uptake coefficients ; Vertical gradients ; Vertical structures ; Inorganic acids ; atmospheric pollution ; boundary layer ; fractionation ; heterogeneity ; ionization ; nitrogen dioxide ; numerical model ; pollutant source ; resolution ; salt ; spectrometry ; vertical profile
英文摘要: A negative-ion proton-transfer chemical ionization mass spectrometer was deployed on a mobile tower-mounted platform during Nitrogen, Aerosol Composition, and Halogens on a Tall Tower (NACHTT) to measure nitrous acid (HONO) in the winter of 2011. High resolution vertical profiles revealed (i) HONO gradients in nocturnal boundary layers, (ii) ground surface dominates HONO production by heterogeneous uptake of NO2, (iii) significant quantities of HONO may be deposited to the ground surface at night, (iv) daytime gradients indicative of ground HONO production or emission, and (v) an estimated surface HONO reservoir comparable or larger than integrated daytime HONO surface production. Nocturnal integrated column observations of HONO and NO2 allowed direct evaluation of nocturnal ground surface uptake coefficients for these species (γNO2, surf = 2 × 10 -6 to 1.6 × 10-5 and γHONO, surf = 2 × 10-5 to 2 × 10-4). A chemical model showed that the unknown source of HONO was highest in the morning, 4 × 10 6 molecules cm-3 s-1 (600 pptv h-1), declined throughout the day, and minimized near 1 × 106 molecules cm-3 s-1 (165 pptv h-1). The quantity of surface-deposited HONO was also modeled, showing that HONO deposited to the surface at night was at least 25%, and likely in excess of 100%, of the calculated unknown daytime HONO source. These results suggest that if nocturnally deposited HONO forms a conservative surface reservoir, which can be released the following day, a significant fraction of the daytime HONO source can be explained for the NACHTT observations. Key Points HONO vertical gradients form on nights with stable nocturnal boundary layersNocturnal HONO production consistent with ground surface area dominanceSurface deposition of HONO may be a reservoir for the unknown daytime source ©2013. American Geophysical Union. All Rights Reserved.
资助项目: ANT-1041187
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/63361
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

Files in This Item:

There are no files associated with this item.


作者单位: Department of Chemistry, University of Toronto, Toronto, ON, Canada; Department of Chemistry, Memorial University of Newfoundland, St. John's, NL A1B 3X7, Canada; Earth Systems Research Laboratory, NOAA, Boulder, CO, United States; Department of Environmental Sciences, University of Virginia, Charlottesville, VA, United States; Cooperative Institute for Research in the Environmental Sciences, University of Colorado Boulder, Boulder, CO, United States; Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH, United States; National Center for Atmospheric Research, Boulder, CO, United States; Department of Earth System Science, University of California, Irvine, CA, United States; Department of Atmospheric Sciences, University of Washington, Seattle, WA, United States; Environmental Engineering Department, Abant Izzet Baysal University, Bolu, Turkey; Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX, United States

Recommended Citation:
Vandenboer T.C.,Brown S.S.,Murphy J.G.,et al. Understanding the role of the ground surface in HONO vertical structure: High resolution vertical profiles during NACHTT-11[J]. Journal of Geophysical Research Atmospheres,2013-01-01,118(17)
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Vandenboer T.C.]'s Articles
[Brown S.S.]'s Articles
[Murphy J.G.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Vandenboer T.C.]'s Articles
[Brown S.S.]'s Articles
[Murphy J.G.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Vandenboer T.C.]‘s Articles
[Brown S.S.]‘s Articles
[Murphy J.G.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.