Articles | Volume 19, issue 1
https://doi.org/10.5194/amt-19-119-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-119-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Jan 2026
Research article |
| 06 Jan 2026
| 06 Jan 2026
GEMS ozone profile retrieval: impact and validation of version 3.0 improvements
Institute of Environmental Studies, Pusan National University, Busan 46241, Republic of Korea
Arno Keppens
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Uccle, Belgium
Daesung Choi
Department of Atmospheric Sciences, Pusan National University, Busan 46241, South Korea
Sungjae Hong
Department of Atmospheric Sciences, Pusan National University, Busan 46241, South Korea
Department of Atmospheric Sciences, Pusan National University, Busan 46241, South Korea
Cheol-Hee Kim
Department of Atmospheric Sciences, Pusan National University, Busan 46241, South Korea
Hyo-Jung Lee
Department of Atmospheric Sciences, Pusan National University, Busan 46241, South Korea
Wonbae Jeon
Department of Atmospheric Sciences, Pusan National University, Busan 46241, South Korea
Jhoon Kim
Department of Atmospheric Sciences, Yonsei University, Seoul, Republic of Korea
Ja-Ho Koo
Department of Atmospheric Sciences, Yonsei University, Seoul, Republic of Korea
Joowan Kim
Department of Atmospheric Sciences, Kongju National University, Kongju, Republic of Korea
Kanghyun Baek
NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
Department of Atmospheric and Oceanic Science, University of Maryland, College Park, MD 20742, USA
Xiong Liu
Atomic and Molecular Physics Division, Smithsonian Astrophysical Observatory (SAO), Center for Astrophysics, Harvard & Smithsonian, Cambridge, MA 02138, USA
Gonzalo González Abad
Atomic and Molecular Physics Division, Smithsonian Astrophysical Observatory (SAO), Center for Astrophysics, Harvard & Smithsonian, Cambridge, MA 02138, USA
Klaus-Peter Heue
Remote Sensing Technology Institute, German Aerospace Center (DLR), Oberpfaffenhofen, Germany
Jean-Christopher Lambert
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Uccle, Belgium
Yeonjin Jung
Major of Spatial Information Engineering, Division of Earth and Environmental System Sciences, Pukyong National University, Busan, Republic of Korea
Hyunkee Hong
National Institute of Environmental Research, Incheon 22689, Republic of Korea
Won-Jin Lee
National Institute of Environmental Research, Incheon 22689, Republic of Korea
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Short summary
This study presents the first complete description of the operational version 3 ozone profile retrieval algorithm for the Geostationary Environment Monitoring Spectrometer (GEMS) and its performance characteristics. Improvements in radiometric and wavelength calibration reduce spectral fitting uncertainties and enhance agreement with ozonesonde profiles and Pandora total ozone measurements.
This study presents the first complete description of the operational version 3 ozone profile...
