Articles | Volume 21, issue 16
Atmos. Chem. Phys., 21, 12561–12593, 2021
https://doi.org/10.5194/acp-21-12561-2021
Atmos. Chem. Phys., 21, 12561–12593, 2021
https://doi.org/10.5194/acp-21-12561-2021

Research article 23 Aug 2021

Research article | 23 Aug 2021

Comparative assessment of TROPOMI and OMI formaldehyde observations and validation against MAX-DOAS network column measurements

Isabelle De Smedt et al.

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Latest update: 04 Dec 2021
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Short summary
This paper assess the performances of the TROPOMI formaldehyde observations compared to its predecessor OMI at different spatial and temporal scales. We also use a global network of MAX-DOAS instruments to validate both satellite datasets for a large range of HCHO columns. The precision obtained with daily TROPOMI observations is comparable to monthly OMI observations. We present clear detection of weak HCHO column enhancements related to shipping emissions in the Indian Ocean.
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