Articles | Volume 20, issue 20
Atmos. Chem. Phys., 20, 12329–12345, 2020
https://doi.org/10.5194/acp-20-12329-2020
Atmos. Chem. Phys., 20, 12329–12345, 2020
https://doi.org/10.5194/acp-20-12329-2020

Research article 29 Oct 2020

Research article | 29 Oct 2020

Validation of satellite formaldehyde (HCHO) retrievals using observations from 12 aircraft campaigns

Lei Zhu et al.

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Latest update: 23 Sep 2021
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Short summary
We develop a validation platform for satellite HCHO retrievals using in situ observations from 12 aircraft campaigns. The platform offers an alternative way to quickly assess systematic biases in HCHO satellite products over large domains and long periods, facilitating optimization of retrieval settings and the minimization of retrieval biases. Application to the NASA operational HCHO product indicates that relative biases range from −44.5 % to +112.1 % depending on locations and seasons.
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