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合肥和邢台近地面臭氧浓度日变化个例分析

Case Analysis on Diurnal Change of Ozone Concentration of Near Surface in Hefei and Xingtai

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摘要

近地面臭氧污染日趋严重,对人类健康和动植物生长有显著危害。对合肥和邢台两地近地面臭氧结果进行了对比分析。2003~2004年期间合肥地区臭氧 浓度日变化呈现较明显的早、中、晚“三峰型”结构;2016年5~6月观测期间邢台臭氧日变化主要呈现早、中“双峰”型结构。合肥臭氧观测站周围 被树木环绕、水库包围,植物释放的挥发性有机物引发的光化学反应不容忽视; 陆地和水面之间形成的湖陆风下沉气流是形成早晚次峰的主要原因。 邢台属于复合型污染地区,臭氧浓度分析应综合考虑污染源、臭氧前体物成分、气象条件、地理位置等因素。合肥地区数据研究表明,强太阳辐射、 温度较高、相对湿度较低的天气有利于臭氧生成。

Abstract

The ozone pollution near surface is becoming a severe problem recently, which can damage human health, plants and the ecological environment seriously. The “triple-peak” model is discovered in the experiment of the diurnal variation of ozone concentration in Hefei, Anhui, China during 2003 and 2004. Meanwhile, the “double-peak” model is showed in Xingtai, Hebei, China during the experiment from May to June in 2016. The site of ozone observation in Hefei is surrounded by trees and reservoir, so the chemical reaction caused by the volatile organic compounds produced by the plants cannot be ignored. Moreover, the breeze downdraft between land and water is also a main cause for the formation of “peak in morning and evening” in Hefei. Xingtai belongs to the heavy pollution area, the sources of ozone should be considered more comprehensively with the pollution sources, ozone precursor composition, meteorological actors, the geographical location, and so on. The correlation analysis shows that the strong sun radiation, high temperature and low relative humidity promote ozone formation.

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中图分类号:X511

DOI:10.3969/j.issn.1673-6141.2018.01.003

所属栏目:大气光学

基金项目:Supported by National Key Basic Research Development Plan(国家重点基础研究发展计划, 2013CB955802), Youth Innovation Promotion Association(中国科学院青年创新促进会, 2017482)

收稿日期:2017-01-19

修改稿日期:2017-02-15

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陈锦超:中国科学院安徽光学精密机械研究所 中国科学院大气成分与光学重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
刘东:中国科学院安徽光学精密机械研究所 中国科学院大气成分与光学重点实验室, 安徽 合肥 230031
王珍珠:中国科学院安徽光学精密机械研究所 中国科学院大气成分与光学重点实验室, 安徽 合肥 230031
谢晨波:中国科学院安徽光学精密机械研究所 中国科学院大气成分与光学重点实验室, 安徽 合肥 230031
徐继伟:中国科学院安徽光学精密机械研究所 中国科学院大气成分与光学重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026
王英俭:中国科学院安徽光学精密机械研究所 中国科学院大气成分与光学重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026

联系人作者:刘东(dliu@aiofm.ac.cn)

备注:陈锦超 (1989-),女,安徽怀宁人,研究生,主要从事大气痕量气体探测与分析方面的研究。

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引用该论文

CHEN Jinchao,LIU Dong,WANG Zhenzhu,XIE Chenbo,XU Jiwei,WANG Yingjian. Case Analysis on Diurnal Change of Ozone Concentration of Near Surface in Hefei and Xingtai[J]. Journal of Atmospheric and Environmental Optics, 2018, 13(1): 27-33

陈锦超,刘东,王珍珠,谢晨波,徐继伟,王英俭. 合肥和邢台近地面臭氧浓度日变化个例分析[J]. 大气与环境光学学报, 2018, 13(1): 27-33

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