Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2025, V. 22, No. 6, pp. 153-167
Estimates of nitrogen dioxide emissions based on TROPOMI data considering meteorological conditions
А.М. Konstantinova
1 , A.A. Bril
1 , E.A. Loupian
1 1 Space Research Institute RAS, Moscow, Russia
Accepted: 06.12.2025
DOI: 10.21046/2070-7401-2025-22-6-153-167
The study focuses on objectively monitoring nitrogen dioxide (NO2) emissions from significant pollution sources throughout Russia, utilizing satellite observations from the Tropospheric Monitoring Instrument (TROPOMI) aboard the Sentinel-5 Precursor (Sentinel-5P). Special attention is given to accounting for meteorological conditions, particularly wind and temperature, which significantly affect the accuracy of emission intensity estimates. It is shown that ignoring wind-driven transport can lead to underestimating emissions by up to 50 % and can distort comparative analyses of pollution sources. A data correction technique considering meteorological factors is proposed, enabling comparable information on various pollution sources. The method for identifying large stationary NO2 sources for satellite observation is also described. The developed approaches can form the basis for continuous objective satellite monitoring of large localized atmospheric pollution sources. Results of applying the discussed technology to analyze several Russian cities are presented. Various NO2 observation products used and created in this work are developed by the IKI-Monitoring Collective Use Center (http://ckp.geosmis.ru/) based on TROPOMI data.
Keywords: nitrogen dioxide, atmospheric pollution, TROPOMI, minor gas components, satellite monitoring
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