Articles | Volume 11, issue 6
https://doi.org/10.5194/amt-11-3205-2018
https://doi.org/10.5194/amt-11-3205-2018
Research article
 | 
04 Jun 2018
Research article |  | 04 Jun 2018

Correcting for trace gas absorption when retrieving aerosol optical depth from satellite observations of reflected shortwave radiation

Falguni Patadia, Robert C. Levy, and Shana Mattoo

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Cited articles

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Short summary
Satellite-measured radiance from an Earth scene comprises light scattered and absorbed by gases, clouds and aerosols in the atmosphere and by the Earth surface. To retrieve aerosol information, the signal from clouds, gases and the surface must be separated from the aerosol signal. This paper highlights the gas absorption correction method used by the MODIS dark-target aerosol retrieval algorithm and demonstrates that aerosol retrieval accuracy depends on accurate gas absorption correction.