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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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Lei Zhu on behalf of the Authors (20 Jul 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (17 Aug 2020) by Michel Van Roozendael
RR by Anonymous Referee #2 (01 Sep 2020)
ED: Publish as is (14 Sep 2020) by Michel Van Roozendael
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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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