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

页码：29 / 34

页数：6

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