Articles | Volume 13, issue 10
Atmos. Meas. Tech., 13, 5667–5680, 2020
https://doi.org/10.5194/amt-13-5667-2020
Atmos. Meas. Tech., 13, 5667–5680, 2020
https://doi.org/10.5194/amt-13-5667-2020

Research article 26 Oct 2020

Research article | 26 Oct 2020

A new method to correct the electrochemical concentration cell (ECC) ozonesonde time response and its implications for “background current” and pump efficiency

Holger Vömel 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 Holger Vömel on behalf of the Authors (30 Jul 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (13 Aug 2020) by Mark Weber
RR by Anonymous Referee #2 (09 Sep 2020)
ED: Publish subject to technical corrections (09 Sep 2020) by Mark Weber
AR by Holger Vömel on behalf of the Authors (11 Sep 2020)  Author's response    Manuscript
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Short summary
The time response of electrochemical concentration cell (ECC) ozonesondes points to at least two distinct reaction pathways with time constants of approximately 20 s and 25 min. Properly considering these time constants eliminates the need for a poorly defined "background" and allows reducing ad hoc corrections based on laboratory tests. This reduces the uncertainty of ECC ozonesonde measurements throughout the profile and especially in regions of low ozone and strong gradients of ozone.