Characteristics of complex pollution with high concentrations of PM<sub>2.5</sub> and O<sub>3</sub> over the Pearl River Delta, China

LAI Anqi; CHENG Xiaoyang; LIU Yiming; JIANG Ming; LIU Yimou; WANG Xuemei; FAN Qi

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Characteristics of complex pollution with high concentrations of PM_2.5 and O₃ over the Pearl River Delta, China

更新时间：2023-12-11

- Characteristics of complex pollution with high concentrations of PM_2.5 and O₃ over the Pearl River Delta, China
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 57, Issue 4, Pages: 30-36(2018)
- 作者机构：
  
  1. 中山大学大气科学学院∥广东省气候变化与自然灾害研究重点实验室,广东,广州,510275
  2. 
  3. 广东省环境监测中心,广东,广州,510335
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018，
  
  Published Online：25 July 2018，
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LAI Anqi, CHENG Xiaoyang, LIU Yiming, et al. Characteristics of complex pollution with high concentrations of PM_2.5 and O₃ over the Pearl River Delta, China. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 57(4):30-36(2018)
DOI：

LAI Anqi, CHENG Xiaoyang, LIU Yiming, et al. Characteristics of complex pollution with high concentrations of PM_2.5 and O₃ over the Pearl River Delta, China. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 57(4):30-36(2018) DOI：

摘要

利用广东省环境监测中心2013-2015年的O

和PM

2.5

质量浓度数据分析了珠三角的高质量浓度PM

2.5

和O

复合污染的主要特征，结果表明：PM

2.5

与O

一般不会在同一时刻产生叠加污染，但PM

2.5

与O

的日均质量浓度同时超过国家二级标准的现象时有发生。3年间，珠三角共出现了161个复合污染日，复合污染日数呈现出10月最多，5月最少的时间分布特征以及西部多于东部、内陆多于沿海的空间分布特点。其中肇庆的复合污染日数最多，其次是广州和佛山。造成珠三角地区PM

2.5

和O

复合污染事件的天气形势主要有大陆冷高压型、热带气旋型、变性高压型、副热带高压型和低压槽型，其中大陆冷高压型最多，占49.4%，其次是热带气旋型，占21.9%。

Abstract

Based on the continuous monitoring data of O

and PM

2.5

from air monitoring stations during 2013-2015

characteristics of complex pollution with high PM

2.5

and O

concentrations were studied over the Pearl River Delta (PRD) area. The results are shown as follows: The hourly variation of PM

2.5

concentration was negatively related to that of O

concentrations

so the superimposed pollution rarely happened simultaneously. However

the daily-average concentrations of PM

2.5

and O

usually exceed the concentration limits of national standard. Complex pollution occurred most frequently in October

rarely in May

and most frequently in Zhaoqing

followed by Guangzhou and Foshan. The weather conditions that caused complex pollution in the Pearl River Delta include continental cold high

tropical cyclones

denatured high

subtropical high and troughs

in which the continental cold high pollution accounted for 49.4% and the tropical cyclones pollution accounted for 21.9%.

关键词

珠江三角洲复合污染PM2.5O3天气型

Keywords

the Pearl River Deltacomplex pollutionPM2.5O3synoptic pattern

references

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Characteristics of complex pollution with high concentrations of PM2.5 and O3 over the Pearl River Delta, China

DOI：

摘要

Abstract

关键词

Keywords

references

Characteristics of complex pollution with high concentrations of PM_2.5 and O₃ over the Pearl River Delta, China