Pollution plumes observed by aircraft over North China during the IPAC-NC field campaign

被引：6

作者：

Ma JianZhong ^{[1
]}

Wang Wei ^{[2
]}

Liu HongJie ^{[2
]}

Chen Yue ^{[1
]}

Xu XiaoBin ^{[1
]}

Lelieveld, Jos ^{[3
,4
]}

机构：

[1] Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China

[2] Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China

[3] Max Planck Inst Chem, D-55128 Mainz, Germany

[4] Cyprus Inst, CY-1645 Nicosia, Cyprus

来源：

CHINESE SCIENCE BULLETIN | 2013年 / 58卷 / 34期

基金：

欧洲研究理事会; 中国国家自然科学基金;

关键词：

pollutant emissions; urban/industrial plumes; photochemical smog; tropospheric ozone; aircraft measurements; NEW-YORK-CITY; OZONE PRODUCTION; AIR-QUALITY; POLLUTANTS; SATELLITE; TRANSPORT; IDENTIFICATION; SENSITIVITY; TROPOSPHERE; ATMOSPHERE;

D O I：

10.1007/s11434-013-5978-9

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Strong pollution emissions from large urban and industrial centres in eastern China are thought to greatly impact regional air quality and global atmospheric chemistry. In this study, we investigate extensive pollution plumes over North China, observed by aircraft during the IPAC-NC (Influence of Pollution on Aerosols and Cloud Microphysics in North China) field campaign in spring 2006. Several pollution plumes were encountered, characterized by sharp and strong increases of SO2 and NOx (NO plus NO2) as well as remarkable O-3 variability. During a flight performed downwind of the megacity Tianjin on 9 April, O-3 was found to be depleted at NOx>15 ppbv and enhanced at NOx mixing ratios of 6-7 ppbv. Our analysis indicates that the plumes had recently been released by industrial plants, and partly mixed with urban emissions, giving rise to the large-scale transport of air pollution and substantial degradation of air quality.

引用

页码：4329 / 4336

页数：8

共 35 条

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