Articles | Volume 13, issue 10
Atmos. Meas. Tech., 13, 5237–5257, 2020
https://doi.org/10.5194/amt-13-5237-2020
Atmos. Meas. Tech., 13, 5237–5257, 2020
https://doi.org/10.5194/amt-13-5237-2020

Research article 06 Oct 2020

Research article | 06 Oct 2020

A tropopause-related climatological a priori profile for IASI-SOFRID ozone retrievals: improvements and validation

Brice Barret et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Brice Barret on behalf of the Authors (24 Jun 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (01 Jul 2020) by Mark Weber
RR by Anonymous Referee #1 (03 Jul 2020)
ED: Publish subject to minor revisions (review by editor) (08 Jul 2020) by Mark Weber
AR by Brice Barret on behalf of the Authors (15 Jul 2020)  Author's response    Manuscript
ED: Publish as is (02 Aug 2020) by Mark Weber
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Short summary
The IASI satellite sensor is used to document the variability and evolution of tropospheric ozone (O3). IASI O3 retrievals generally use a single a priori profile which can be responsible for biases and too-low variability. We have therefore implemented a dynamical a priori profile based on pixel location, month and tropopause height. Comparison with 10 years of global ozonesonde profiles shows large improvements in the retrieved tropospheric O3, with biases corrected and enhanced variabilities.