Satellite NO2 Retrieval Complicated by Aerosol Composition over Global Urban Agglomerations: Seasonal Variations and Long-Term Trends (2001–2018)
Song Liu,
Pieter Valks,
Gabriele Curci
et al.
Abstract:Tropospheric nitrogen dioxide (NO 2 ) poses a serious threat to the environmental quality and public health. Satellite NO 2 observations have been continuously used to monitor NO 2 variations and improve model performances. However, the accuracy of satellite NO 2 retrieval depends on the knowledge of aerosol optical properties, in particular for urban agglomerations accompanied by significant changes in aerosol characteristics. In this study, we investigate the impacts of aerosol composition on tropospheric NO… Show more
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