Articles | Volume 24, issue 8
https://doi.org/10.5194/acp-24-4733-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-24-4733-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Apr 2024
Research article |
| 19 Apr 2024
| 19 Apr 2024
First evaluation of the GEMS formaldehyde product against TROPOMI and ground-based column measurements during the in-orbit test period
Gitaek T. Lee
School of Earth and Environmental Sciences, Seoul National University, Seoul, Republic of Korea
School of Earth and Environmental Sciences, Seoul National University, Seoul, Republic of Korea
Department of Environmental & Energy Engineering, University of Suwon, Suwon, Republic of Korea
Eunjo S. Ha
School of Earth and Environmental Sciences, Seoul National University, Seoul, Republic of Korea
Sieun D. Lee
School of Earth and Environmental Sciences, Seoul National University, Seoul, Republic of Korea
Seunga Shin
School of Earth and Environmental Sciences, Seoul National University, Seoul, Republic of Korea
Myoung-Hwan Ahn
Department of Climate and Energy Systems Engineering, Ewha Womans University, Seoul, Republic of Korea
Mina Kang
Department of Climate and Energy Systems Engineering, Ewha Womans University, Seoul, Republic of Korea
Yong-Sang Choi
Department of Climate and Energy Systems Engineering, Ewha Womans University, Seoul, Republic of Korea
Gyuyeon Kim
Department of Climate and Energy Systems Engineering, Ewha Womans University, Seoul, Republic of Korea
Dong-Won Lee
Environmental Satellite Center, National Institute of Environmental Research, Incheon, Republic of Korea
Deok-Rae Kim
Environmental Satellite Center, National Institute of Environmental Research, Incheon, Republic of Korea
Hyunkee Hong
Environmental Satellite Center, National Institute of Environmental Research, Incheon, Republic of Korea
Bavo Langerock
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Corinne Vigouroux
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Christophe Lerot
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
now at: Constellr, Brussels, Belgium
Francois Hendrick
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Gaia Pinardi
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Isabelle De Smedt
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Michel Van Roozendael
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Pucai Wang
Institute of Atmospheric Physics, Chinese Academy of Sciences (CAS), Beijing, China
Heesung Chong
Atomic and Molecular Physics Division, Center for Astrophysics | Harvard & Smithsonian, Cambridge, Massachusetts, USA
Yeseul Cho
Department of Atmospheric Sciences, Yonsei University, Seoul, Republic of Korea
Jhoon Kim
Department of Atmospheric Sciences, Yonsei University, Seoul, Republic of Korea
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Short summary
This study evaluates the Geostationary Environment Monitoring Spectrometer (GEMS) HCHO product by comparing its vertical column densities (VCDs) with those of TROPOMI and ground-based observations. Based on some sensitivity tests, obtaining radiance references under clear-sky conditions significantly improves HCHO retrieval quality. GEMS HCHO VCDs captured seasonal and diurnal variations well during the first year of observation, showing consistency with TROPOMI and ground-based observations.
This study evaluates the Geostationary Environment Monitoring Spectrometer (GEMS) HCHO product...
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