An Atmospheric Constraint on the NO2 Dependence of Daytime Near-Surface Nitrous Acid (HONO)

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Title:	An Atmospheric Constraint on the NO2 Dependence of Daytime Near-Surface Nitrous Acid (HONO)
Authors:	谷邁世;Pusede, Sally E;VandenBoer, Trevor C;Murphy, Jennifer G;Markovic, Milos Z;Young, Cora J;Veres, Patrick R;Roberts, James M;Washenfelder, Rebecca A;Brown, Steven S;Ren, Xinrong;Tsai, Catalina;Stutz, Jochen;Brune, William H;Browne, Eleanor C;Wooldridge, Paul J;Graham, Ashley R;Weber, Robin;Goldstein, Allen H;Dusanter, Sebastien;Griffith, Stephen M;Stevens, Philip S;Lefer, Barry L;Cohen, Ronald C
Contributors:	地球科學學院大氣科學學系
Keywords:	Atmosphere - chemistry;California;chemistry;Cities;Fluorescence;nitrogen dioxide;Nitrogen Dioxide - analysis;nitrous acid;Nitrous Acid - analysis;Surface Properties;Time Factors;United States
Date:	2015-10-05
Issue Date:	2026-04-21 14:08:09 (UTC+8)
Publisher:	American Chemical Society;United States: American Chemical Society
Abstract:	摘要： Recent observations suggest a large and unknown daytime source of nitrous acid (HONO) to the atmosphere. Multiple mechanisms have been proposed, many of which involve chemistry that reduces nitrogen dioxide (NO2) on some time scale. To examine the NO2 dependence of the daytime HONO source, we compare weekday and weekend measurements of NO2 and HONO in two U.S. cities. We find that daytime HONO does not increase proportionally to increases in same-day NO2, i.e., the local NO2 concentration at that time and several hours earlier. We discuss various published HONO formation pathways in the context of this constraint. 其他題名： Environ. Sci. Technol 出版者： United States: American Chemical Society 出版日期： 2015-11-03 出處： Environmental Science & Technology, 2015-11, Vol.49 (21), p.12774-12781 資源來源： American Chemical Society Journals 版權： Copyright © 2015 American Chemical Society 識別號： ISSN: 0013-936X 識別號： ISSN: 1520-5851 識別號： EISSN: 1520-5851 識別號： DOI: 10.1021/acs.est.5b02511 識別號： PMID: 26436410
Appears in Collections:	[Department of Atmospheric Sciences] journal & Dissertation

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