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

Vömel, Holger; Smit, Herman G. J.; Tarasick, David; Johnson, Bryan; Oltmans, Samuel J.; Selkirk, Henry; Thompson, Anne M.; Stauffer, Ryan M.; Witte, Jacquelyn C.; Davies, Jonathan; van Malderen, Roeland; Morris, Gary A.; Nakano, Tatsumi; Stübi, Rene

doi:https://doi.org/10.5194/amt-13-5667-2020

Articles | Volume 13, issue 10

https://doi.org/10.5194/amt-13-5667-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-13-5667-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 10

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, Herman G. J. Smit, David Tarasick, Bryan Johnson, Samuel J. Oltmans, Henry Selkirk, Anne M. Thompson, Ryan M. Stauffer, Jacquelyn C. Witte, Jonathan Davies, Roeland van Malderen, Gary A. Morris, Tatsumi Nakano, and Rene Stübi

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Final revised paper (published on 26 Oct 2020)
Preprint (discussion started on 06 Apr 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Comments on paper', Anonymous Referee #1, 29 Apr 2020
- AC1: 'Response to reviewer comments', Holger Vömel, 30 Jul 2020
RC2: 'Important paper, but math needs clarifying', Anonymous Referee #2, 01 May 2020
- AC1: 'Response to reviewer comments', Holger Vömel, 30 Jul 2020
SC1: 'Comments', Masatomo Fujiwara, 05 May 2020
- AC1: 'Response to reviewer comments', Holger Vömel, 30 Jul 2020

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

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.