Satellite observations of changes in air quality during the 2008 Beijing Olympics and Paralympics

被引：98

作者：

Witte, J. C. ^{[1
]}

Schoeberl, M. R. ^{[2
]}

Douglass, A. R. ^{[2
]}

Gleason, J. F. ^{[2
]}

Krotkov, N. A. ^{[3
]}

Gille, J. C. ^{[4
]}

Pickering, K. E. ^{[2
]}

Livesey, N. ^{[5
]}

机构：

[1] Sci Syst & Applicat Inc, Lanham, MD 20703 USA

[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[3] Univ Maryland Baltimore Cty, Goddard Earth Sci & Technol Ctr, Catonsville, MD 21228 USA

[4] Natl Ctr Atmospher Res, Boulder, CO 80307 USA

[5] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2009年 / 36卷

关键词：

INSTRUMENT; ALGORITHM; RETRIEVAL; CHINA;

D O I：

10.1029/2009GL039236

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

For the August-September 2008 Olympic and the Paralympic Games held in Beijing, China, strict controls on pollutant emissions and motor vehicle traffic were imposed on Beijing and neighboring provinces to the South to improve the air quality in and around the city. Satellite measurements over Beijing between July and September showed 43% reductions of tropospheric column nitrogen dioxide, compared to the past three years. When neighboring provinces to the south are included in our analyses, satellite measurements show boundary layer sulfur dioxide reductions of 13% and carbon monoxide reductions of 12% at 700 hPa. Thus, based on satellites observations alone, noticeable reductions in these pollutant tracers were measured during both games. Citation: Witte, J. C., M. R. Schoeberl, A. R. Douglass, J. F. Gleason, N. A. Krotkov, J. C. Gille, K. E. Pickering, and N. Livesey (2009), Satellite observations of changes in air quality during the 2008 Beijing Olympics and Paralympics, Geophys. Res. Lett., 36, L17803, doi:10.1029/2009GL039236.

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