高原地區高速路-森林接觸帶光化學臭氧形成機制研究

史建武; 米雪峰; 鄧昊; 劉寅; 寧平; 周越; 韓新宇

doi:10.7540/j.ynu.20160157

高原地區高速路-森林接觸帶光化學臭氧形成機制研究

1.
昆明理工大學環境科學與工程學院,云南昆明 650500;
2.
2.昆明理工大學建筑工程學院,云南昆明 650500

作者簡介: 史建武(1979-),男,河北人,副教授,主要從事大氣環境化學的研究.E-mail:shijianwu2000@sina.com.;

通訊作者: 韓新宇, xinyuhan@foxmail.com

基金項目:
國家自然科學基金(201207055,21567012,21667014)

云南省科技廳社會發展科技計劃項目(2012CA016)

云南省教育廳一般項目(2015 Y065)
中圖分類號: X513

Study on photochemical formation mechanism of ozone at contact area of highway-forest in plateau

1.
Faculty of Environmental Science and Engineering,Kunming University of Science and Technology,Kunming 650500,China;
2.
2.Faculty of Constructional Engineering,Kunming University of Science and Technology,Kunming 650500,China

Corresponding author: HAN Xin-yu, xinyuhan@foxmail.com

CLC number: X513

摘要: 基于大氣氮氧化物(NO和NO2)和總揮發性有機化合物(TVOCs)在太陽輻射條件下生成大氣臭氧(O3)這一反應原理,選取云貴高原地區高速路-森林接觸帶生態系統開展大氣臭氧污染特征及生成機制研究,并以昆明城區大氣臭氧污染特征為對照,采集大氣臭氧、氮氧化物及揮發性有機物樣品,分析高速路-森林接觸帶大氣污染物濃度時空分布特征及受氣象條件的影響.結果表明,在夏季高速路-森林接觸帶存在強烈的大氣光化學反應,臭氧質量濃度為91.83μg/m3,高于其他季節,氣溫及太陽紫外指數與其濃度變化顯著正相關;高速路-森林接觸帶大氣O3生成對周邊NO2濃度變化最為敏感,說明減少機動車尾氣中NOx排放將有利于此區域臭氧污染的控制.
- 高原地區 /
- 高速路 /
- 森林 /
- 臭氧 /
- 敏感性 /
- 昆明
Abstract: Based on photochemical formation mechanism of O3 with NOx and VOCs under the solar radiation,pollution characteristic and formation mechanism of O3 were studied at contact area of highway-forest in the Yunnan-Guizhou plateau.The characteristics of atmospheric O3 in Kunming was used to as a comparison,atmospheric O3,NOx and VOCs samples were collected in highway-forest contact area,and temporal and spatial distribution of their concentrations and influence of weather conditions were analyzed.The results showed that the strongest atmospheric photochemical reaction of ozone at contact area of highway-forest had happened in summer ,the concentration of O3 was up to 91.83μg/m3,which was higher than that in other seasons;Positively relationships were found among O3,temperatures and ultraviolet indexes;The formation sensitivity of O3 was closely related to the concentration changing of NO2,which suggested that reducing NOx from vehicles exhaust would be conducive to control the concentration of O3 at contact area of highway-forest.
- plateau /
- highway /
- forest /
- ozone /
- sensitivity /
- Kunming

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高原地區高速路-森林接觸帶光化學臭氧形成機制研究

作者簡介: 史建武(1979-),男,河北人,副教授,主要從事大氣環境化學的研究.E-mail:shijianwu2000@sina.com.;

通訊作者: 韓新宇, xinyuhan@foxmail.com

Study on photochemical formation mechanism of ozone at contact area of highway-forest in plateau

Corresponding author: HAN Xin-yu, xinyuhan@foxmail.com

計量

高原地區高速路-森林接觸帶光化學臭氧形成機制研究

作者簡介:史建武(1979-),男,河北人,副教授,主要從事大氣環境化學的研究.E-mail:shijianwu2000@sina.com.

通訊作者: 韓新宇, xinyuhan@foxmail.com

English Abstract

Study on photochemical formation mechanism of ozone at contact area of highway-forest in plateau

Corresponding author: HAN Xin-yu, xinyuhan@foxmail.com

全文HTML

目錄

高原地區高速路-森林接觸帶光化學臭氧形成機制研究

作者簡介: 史建武(1979-),男,河北人,副教授,主要從事大氣環境化學的研究.E-mail:shijianwu2000@sina.com.;

通訊作者: 韓新宇, xinyuhan@foxmail.com

Study on photochemical formation mechanism of ozone at contact area of highway-forest in plateau

Corresponding author: HAN Xin-yu, xinyuhan@foxmail.com

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出版歷程

高原地區高速路-森林接觸帶光化學臭氧形成機制研究

作者簡介:史建武(1979-),男,河北人,副教授,主要從事大氣環境化學的研究.E-mail:shijianwu2000@sina.com.

通訊作者: 韓新宇, xinyuhan@foxmail.com

English Abstract

Study on photochemical formation mechanism of ozone at contact area of highway-forest in plateau

Corresponding author: HAN Xin-yu, xinyuhan@foxmail.com

全文HTML

目錄