Articles | Volume 9, issue 2
Atmos. Meas. Tech., 9, 359–382, 2016
https://doi.org/10.5194/amt-9-359-2016
Atmos. Meas. Tech., 9, 359–382, 2016
https://doi.org/10.5194/amt-9-359-2016

Research article 05 Feb 2016

Research article | 05 Feb 2016

Impact of aerosols on the OMI tropospheric NO2 retrievals over industrialized regions: how accurate is the aerosol correction of cloud-free scenes via a simple cloud model?

J. Chimot et al.

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Short summary
The interplay between aerosols and the OMI O2–O2 cloud retrieval algorithm is analysed in detail to evaluate the impacts on the accuracy of the tropospheric NO2 retrievals over cloud-free scenes. Collocated OMI NO2 and MODIS Aqua aerosol products are compared over E China, in industrialized areas; the OMI O2–O2 cloud retrieval algorithm is implemented on synthetic study cases dominated by aerosol particles. The resulting biases highlight the need for an improved aerosol correction.