Observation of nighttime nitrous acid (HONO) formation at a non-urban site during PRIDE-PRD2004 in China
Observation of nighttime nitrous acid (HONO) formation at a non-urban site during PRIDE-PRD2004 in China
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PRIDE-PRD2004中国期间非城市地点夜间亚硝酸（HONO）形成的观测
DOI：
10.1016/j.atmosenv.2008.04.006
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发表时间：
2008-08
影响因子：
5
通讯作者：
Alfred Wiedensohler
中科院分区：
文献类型：
--
作者：
Peng Cheng;Yafang Cheng;Yuanhang Zhang;Hang Su;Jacob Slanina;Xuesong Wang;Shuofei Dong;Min Shao;Limin Zeng;Alfred Wiedensohler
虽然HONO作为OH前体的重要性已被认识多年，但其化学形成途径仍不清楚。这抑制了HONO的模拟，基于观测的形成率为空气质量模式提供了一种替代方案。然而，HONO的形成率从一定的时期可能会显着影响的不确定性，在运输和排放过程。本文建议在计算HONO生成速率时采用大样本法和标度法。在珠江三角洲地区空气质量区域综合试验（PRIDE-PRD 2004）中，HONO与NO2之间存在良好的相关性，支持NO2参与HONO形成的观点。在非城市站点新垦，NO2-到HONO的平均夜间转化率CHONO为1.6%h-1。该转化率与其他现场测量结果相当，不能仅用气相反应来解释。如果假设HONO只在地表生成，那么只有当NO2的三次沉积导致一次HONO的释放时，观测到的转化率才能用NO2在地表的反应来解释。本文还对HONO的发射因子及其在测量过程中的采样干扰进行了评价。
Though the importance of HONO as an OH precursor has been recognized for years, its chemical formation pathway is still not well understood. This inhibited the simulations of HONO and observation-based formation rates provided an alternative for the air quality models. However, HONO formation rate derived from certain period may be significantly influenced by uncertainties in transport and emission processes. In this study the use of large sample and scaling methods were recommended in the calculation of HONO formation rate. During the Program of Regional Integrated Experiments of Air Quality over Pear River Delta (PRIDE-PRD2004), good correlations between HONO and NO2were found supporting the involvement of NO2in HONO formation. An average NO2-to-HONO nighttime conversion rate CHONOof 1.6%h-1was derived at a non-urban site Xinken. This conversion rate was comparable to other field measurements and could not be explained by gas phase reactions only. If assumed that HONO was formed only on the ground surface, the observed conversion rate could be explained by the reactions of NO2on ground surfaces only if three deposited NO2lead to one HONO released. The emission factor of HONO and its sampling interferences during the measurements were also evaluated in this article.
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影响因子：
--
作者：
I. Faloona;D. Tan;W. Brune;J. M. Hurst;D. J. Barket;T. L. Couch;P. Shepson;E. Apel;D. Riemer-D.-Rieme
通讯作者：
I. Faloona;D. Tan;W. Brune;J. M. Hurst;D. J. Barket;T. L. Couch;P. Shepson;E. Apel;D. Riemer-D.-Rieme
影响因子：
2.8
作者：
Pagsberg, P;Bjergbakke, E;Sillesen, A
通讯作者：
Sillesen, A
影响因子：
5
作者：
J. Kleffmann;R. Kurtenbach;J. Lörzer;P. Wiesen;N. Kalthoff;B. Vogel;H. Vogel
通讯作者：
J. Kleffmann;R. Kurtenbach;J. Lörzer;P. Wiesen;N. Kalthoff;B. Vogel;H. Vogel
影响因子：
6.3
作者：
F. Rohrer;B. Bohn;T. Brauers;D. Brüning;F. Johnen;A. Wahner;J. Kleffmann
通讯作者：
F. Rohrer;B. Bohn;T. Brauers;D. Brüning;F. Johnen;A. Wahner;J. Kleffmann
影响因子：
5
作者：
X. Ren;H. Harder;Mónica Martínez;R. Lesher;A. Oliger;J. Simpas;W. Brune;J. Schwab;K. Demerjian-K.-De
通讯作者：
X. Ren;H. Harder;Mónica Martínez;R. Lesher;A. Oliger;J. Simpas;W. Brune;J. Schwab;K. Demerjian-K.-De