Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 17
Articles | Volume 18, issue 17
https://doi.org/10.5194/amt-18-4165-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-4165-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 17
Research article
 | 
08 Sep 2025
Research article |  | 08 Sep 2025

Seasonal variation of total column formaldehyde, nitrogen dioxide, and ozone over various Pandora spectrometer sites with a comparison of OMI and diurnally varying DSCOVR-EPIC satellite data

Jay Herman and Jianping Mao

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Short summary
This paper examines the seasonal variation of column formaldehyde (HCHO), NO2, and O3 as retrieved from satellite Ozone Monitoring Instrument (OMI) and ground-based Pandora spectrometer observations. Both OMI and Pandora show that HCHO has a strong seasonal dependence. The daily amount of NO2 pollution is underestimated by the OMI satellite observations. Pandora O3 measurements have been successfully compared with hourly satellite measurements from the Earth Polychromatic Imaging Camera (EPIC).
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