Articles | Volume 10, issue 10
https://doi.org/10.5194/amt-10-3677-2017
https://doi.org/10.5194/amt-10-3677-2017
Research article
 | 
09 Oct 2017
Research article |  | 09 Oct 2017

Deriving the slit functions from OMI solar observations and its implications for ozone-profile retrieval

Kang Sun, Xiong Liu, Guanyu Huang, Gonzalo González Abad, Zhaonan Cai, Kelly Chance, and Kai Yang

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Latest update: 24 Feb 2024
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Short summary
This study derives on-orbit slit functions from the OMI irradiance spectra. The results differ from the widely used preflight slit functions. The on-orbit changes of OMI slit functions are insignificant over time after accounting for the solar activity. Applying the derived on-orbit slit functions to ozone-profile retrieval shows substantial improvements over the preflight slit functions based on comparisons with ozonesonde validations.