Impact of Coronavirus Outbreak on NO2Pollution Assessed Using TROPOMI and OMI Observations

被引：476

作者：

Bauwens, M. ^{[1
]}

Compernolle, S. ^{[1
]}

Stavrakou, T. ^{[1
]}

Muller, J-F ^{[1
]}

van Gent, J. ^{[1
]}

Eskes, H. ^{[2
]}

Levelt, P. F. ^{[2
,3
]}

van der A, R. ^{[2
]}

Veefkind, J. P. ^{[2
]}

Vlietinck, J. ^{[1
]}

Yu, H. ^{[1
]}

Zehner, C. ^{[4
]}

机构：

[1] Royal Belgian Inst Space Aeron BIRA IASB, Brussels, Belgium

[2] Royal Netherlands Meteorol Inst KNMI, De Bilt, Netherlands

[3] Delft Univ Technol TU Delft, Dept Geosci & Remote Sensing, Delft, Netherlands

[4] ESA ESRIN, Frascati, Italy

来源：

GEOPHYSICAL RESEARCH LETTERS | 2020年 / 47卷 / 11期

关键词：

air quality; satellite NO2; coronavirus outbreak; lockdown; emissions; NO2; POLLUTION; QUALITY; CLIMATE;

D O I：

10.1029/2020GL087978

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Spaceborne NO(2)column observations from two high-resolution instruments, Tropospheric Monitoring Instrument (TROPOMI) on board Sentinel-5 Precursor and Ozone Monitoring Instrument (OMI) on Aura, reveal unprecedented NO(2)decreases over China, South Korea, western Europe, and the United States as a result of public health measures enforced to contain the coronavirus disease outbreak (Covid-19) in January-April 2020. The average NO(2)column drop over all Chinese cities amounts to -40% relative to the same period in 2019 and reaches up to a factor of similar to 2 at heavily hit cities, for example, Wuhan, Jinan, while the decreases in western Europe and the United States are also significant (-20% to -38%). In contrast with this, although Iran is also strongly affected by the disease, the observations do not show evidence of lower emissions, reflecting more limited health measures.

引用

页数：9

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