Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products
Abstract This study presents the ozone monitoring instrument (OMI) Collection 4 formaldehyde (HCHO) retrieval developed with the Smithsonian Astrophysical Observatory's (SAO) Making Earth System Data Records for Use in Research Environments (MEaSUREs) algorithm. The retrieval algorithm updates...
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American Geophysical Union (AGU)
2025-02-01
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| Series: | Earth and Space Science |
| Online Access: | https://doi.org/10.1029/2024EA003792 |
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| author | Zolal Ayazpour Gonzalo González Abad Caroline R. Nowlan Kang Sun Hyeong‐Ahn Kwon Christopher Chan Miller Heesung Chong Huiqun Wang Xiong Liu Kelly Chance Ewan O’Sullivan Lei Zhu Corinne Vigouroux Isabelle De Smedt Wolfgang Stremme James W. Hannigan Justus Notholt Xiaoyu Sun Mathias Palm Cristof Petri Kimberly Strong Amelie N. Röhling Emmanuel Mahieu Dan Smale Yao Té Isamu Morino Isao Murata Tomoo Nagahama Rigel Kivi Maria Makarova Nicholas Jones Ralf Sussmann Minqiang Zhou |
| author_facet | Zolal Ayazpour Gonzalo González Abad Caroline R. Nowlan Kang Sun Hyeong‐Ahn Kwon Christopher Chan Miller Heesung Chong Huiqun Wang Xiong Liu Kelly Chance Ewan O’Sullivan Lei Zhu Corinne Vigouroux Isabelle De Smedt Wolfgang Stremme James W. Hannigan Justus Notholt Xiaoyu Sun Mathias Palm Cristof Petri Kimberly Strong Amelie N. Röhling Emmanuel Mahieu Dan Smale Yao Té Isamu Morino Isao Murata Tomoo Nagahama Rigel Kivi Maria Makarova Nicholas Jones Ralf Sussmann Minqiang Zhou |
| author_sort | Zolal Ayazpour |
| collection | DOAJ |
| description | Abstract This study presents the ozone monitoring instrument (OMI) Collection 4 formaldehyde (HCHO) retrieval developed with the Smithsonian Astrophysical Observatory's (SAO) Making Earth System Data Records for Use in Research Environments (MEaSUREs) algorithm. The retrieval algorithm updates and makes improvements to the NASA operational OMI HCHO (OMI Collection 3 HCHO) algorithm, and has been transitioned to use OMI Collection 4 Level‐1B radiances. This paper describes the updated retrieval algorithm and compares Collection 3 and Collection 4 data products. The OMI Collection 4 HCHO exhibits remarkably improved stability over time in comparison to the OMI Collection 3 HCHO product, with better precision and the elimination of artificial trends present in the Collection 3 during the later years of the mission. We validate the OMI Collection 4 HCHO data product using Fourier‐Transform Infrared (FTIR) ground‐based HCHO measurements. The climatological monthly averaged OMI Collection 4 HCHO vertical column densities (VCDs) agree well with the FTIR VCDs, with a correlation coefficient of 0.83, root‐mean‐square error (RMSE) of 2.98×1015 molecules cm−2, regression slope of 0.79, and intercept of 8.21×1014 molecules cm−2. Additionally, we compare the monthly averaged OMI Collection 4 HCHO VCDs to OMPS Suomi NPP, OMPS NOAA‐20, and TROPOMI HCHO VCDs in overlapping years for 12 geographic regions. This comparison demonstrates high correlation coefficients of 0.98 (OMPS Suomi NPP), 0.97 (OMPS NOAA‐20), and 0.90 (TROPOMI). |
| format | Article |
| id | doaj-art-0fac82b3ffb14ca7895517498e17f5a7 |
| institution | DOAJ |
| issn | 2333-5084 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | American Geophysical Union (AGU) |
| record_format | Article |
| series | Earth and Space Science |
| spelling | doaj-art-0fac82b3ffb14ca7895517498e17f5a72025-08-20T03:09:44ZengAmerican Geophysical Union (AGU)Earth and Space Science2333-50842025-02-01122n/an/a10.1029/2024EA003792Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde ProductsZolal Ayazpour0Gonzalo González Abad1Caroline R. Nowlan2Kang Sun3Hyeong‐Ahn Kwon4Christopher Chan Miller5Heesung Chong6Huiqun Wang7Xiong Liu8Kelly Chance9Ewan O’Sullivan10Lei Zhu11Corinne Vigouroux12Isabelle De Smedt13Wolfgang Stremme14James W. Hannigan15Justus Notholt16Xiaoyu Sun17Mathias Palm18Cristof Petri19Kimberly Strong20Amelie N. Röhling21Emmanuel Mahieu22Dan Smale23Yao Té24Isamu Morino25Isao Murata26Tomoo Nagahama27Rigel Kivi28Maria Makarova29Nicholas Jones30Ralf Sussmann31Minqiang Zhou32Center for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USADepartment of Civil, Structural and Environmental Engineering University at Buffalo Buffalo NY USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USACenter for Astrophysics|Harvard & Smithsonian Cambridge MA USASchool of Environmental Science and Engineering Southern University of Science and Technology Shenzhen ChinaRoyal Belgian Institute for Space Aeronomy (BIRA‐IASB) Brussels BelgiumRoyal Belgian Institute for Space Aeronomy (BIRA‐IASB) Brussels BelgiumInstituto de Ciencias de la Atmósfera y Cambio Climático Universidad Nacional Autónoma de México Mexico City MexicoAtmospheric Chemistry, Observations & Modeling National Center for Atmospheric Research (NCAR) Boulder CO USAInstitute of Environmental Physics University of Bremen Bremen GermanyInstitute of Environmental Physics University of Bremen Bremen GermanyInstitute of Environmental Physics University of Bremen Bremen GermanyInstitute of Environmental Physics University of Bremen Bremen GermanyDepartment of Physics University of Toronto Toronto ON CanadaInstitute of Meteorology and Climate Research (IMK‐ASF) Karlsruhe Institute of Technology (KIT) Karlsruhe GermanyInstitut d’Astrophysique et de Géophysique Université de Liège Liège BelgiumNational Institute of Water & Atmospheric Research (NIWA) Lauder New ZealandSorbonne Université CNRS MONARIS UMR8233 Paris FranceNational Institute for Environmental Studies (NIES) Tsukuba JapanGraduate School of Environmental Studies Tohoku University Sendai JapanInstitute for Space‐Earth Environmental Research (ISEE) Nagoya University Nagoya JapanSpace and Earth Observation Centre Finnish Meteorological Institute Sodankylä FinlandAtmospheric Physics Department Saint Petersburg State University St. Petersburg RussiaCentre for Atmospheric Chemistry University of Wollongong Wollongong NSW AustraliaKarlsruhe Institute of Technology (KIT) IMK‐IFU Garmisch‐Partenkirchen GermanyInstitute of Atmospheric Physics Chinese Academy of Sciences Beijing ChinaAbstract This study presents the ozone monitoring instrument (OMI) Collection 4 formaldehyde (HCHO) retrieval developed with the Smithsonian Astrophysical Observatory's (SAO) Making Earth System Data Records for Use in Research Environments (MEaSUREs) algorithm. The retrieval algorithm updates and makes improvements to the NASA operational OMI HCHO (OMI Collection 3 HCHO) algorithm, and has been transitioned to use OMI Collection 4 Level‐1B radiances. This paper describes the updated retrieval algorithm and compares Collection 3 and Collection 4 data products. The OMI Collection 4 HCHO exhibits remarkably improved stability over time in comparison to the OMI Collection 3 HCHO product, with better precision and the elimination of artificial trends present in the Collection 3 during the later years of the mission. We validate the OMI Collection 4 HCHO data product using Fourier‐Transform Infrared (FTIR) ground‐based HCHO measurements. The climatological monthly averaged OMI Collection 4 HCHO vertical column densities (VCDs) agree well with the FTIR VCDs, with a correlation coefficient of 0.83, root‐mean‐square error (RMSE) of 2.98×1015 molecules cm−2, regression slope of 0.79, and intercept of 8.21×1014 molecules cm−2. Additionally, we compare the monthly averaged OMI Collection 4 HCHO VCDs to OMPS Suomi NPP, OMPS NOAA‐20, and TROPOMI HCHO VCDs in overlapping years for 12 geographic regions. This comparison demonstrates high correlation coefficients of 0.98 (OMPS Suomi NPP), 0.97 (OMPS NOAA‐20), and 0.90 (TROPOMI).https://doi.org/10.1029/2024EA003792 |
| spellingShingle | Zolal Ayazpour Gonzalo González Abad Caroline R. Nowlan Kang Sun Hyeong‐Ahn Kwon Christopher Chan Miller Heesung Chong Huiqun Wang Xiong Liu Kelly Chance Ewan O’Sullivan Lei Zhu Corinne Vigouroux Isabelle De Smedt Wolfgang Stremme James W. Hannigan Justus Notholt Xiaoyu Sun Mathias Palm Cristof Petri Kimberly Strong Amelie N. Röhling Emmanuel Mahieu Dan Smale Yao Té Isamu Morino Isao Murata Tomoo Nagahama Rigel Kivi Maria Makarova Nicholas Jones Ralf Sussmann Minqiang Zhou Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products Earth and Space Science |
| title | Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products |
| title_full | Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products |
| title_fullStr | Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products |
| title_full_unstemmed | Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products |
| title_short | Aura Ozone Monitoring Instrument (OMI) Collection 4 Formaldehyde Products |
| title_sort | aura ozone monitoring instrument omi collection 4 formaldehyde products |
| url | https://doi.org/10.1029/2024EA003792 |
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