Pollution characteristics of peroxyacetyl nitrate in karst areas in Southwest China

被引：0
|
作者：
Songjun Guo [1 ]
Xu Wei [1 ,2 ]
Hongjiao Li [2 ]
Wen Qin [2 ]
Yijun Mu [2 ]
Jiongli Huang [2 ]
Chuan Nong [2 ]
Junchao Yang [2 ]
Dabiao Zhang [2 ]
Hua Lin [2 ]
Jingying Mao [2 ]
Zhaoyu Mo [2 ]
机构：
[1] College of Resources,Environment and Materials,Guangxi University
[2] Scientific Research Academy of Guangxi Environmental Protection
来源：
Atmospheric and Oceanic Science Letters | 2024年 / 17卷 / 02期
基金：
中国国家自然科学基金;
关键词：
过氧乙酰硝酸酯; 光化学反应; 传输影响; 气象因素;
D O I：
暂无
中图分类号：
X515 [光化学烟雾];
学科分类号：
0706 ; 070602 ;
摘要：
桂林是世界著名的地处喀斯特地区的旅游胜地,其光化学污染问题日益严重.过氧乙酰硝酸酯(PAN)被认为是光化学污染的可靠指标,也是本研究的重点.本研究于2021年10月首次观测了桂林的PAN的浓度为0.087-2.559 ppb,同时探讨了PAN典型高值过程的成因.此次污染主要来源于东北方向污染气团的水平和高空输送,同时,高温,强辐射和低湿度等气象条件也促进了本地PAN的形成.本研究同时估算了桂林市的O3背景浓度为20.347 ppb.这项研究为城市的光化学污染控制工作提供了理论基础.
引用
收藏
页码：29 / 34
页数：6
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