The influence of the baseline drift on the resulting extinction values of a cavity attenuated phase shift-based extinction monitor (CAPS PMex)

Pfeifer, Sascha; Müller, Thomas; Freedman, Andrew; Wiedensohler, Alfred

doi:https://doi.org/10.5194/amt-13-2161-2020

Articles | Volume 13, issue 5

https://doi.org/10.5194/amt-13-2161-2020

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

https://doi.org/10.5194/amt-13-2161-2020

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

Articles | Volume 13, issue 5

Research article

|

05 May 2020

Research article |

| 05 May 2020

The influence of the baseline drift on the resulting extinction values of a cavity attenuated phase shift-based extinction monitor (CAPS PMex)

Sascha Pfeifer, Thomas Müller, Andrew Freedman, and Alfred Wiedensohler

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Final revised paper (published on 05 May 2020)
Preprint (discussion started on 13 Nov 2019)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Referee report', Anonymous Referee #2, 02 Dec 2019
- AC1: 'Reply to Anonymous Referee #1', Sascha Pfeifer, 05 Jan 2020
  - SC1: 'posted incorrectly', Sascha Pfeifer, 05 Jan 2020
- AC3: 'Reply to Anonymous Referee #2', Sascha Pfeifer, 05 Jan 2020
RC2: 'Reviewer's comments', Anonymous Referee #1, 08 Dec 2019
- AC2: 'Reply to Anonymous Referee #1', Sascha Pfeifer, 05 Jan 2020
- AC4: 'revised plot', Sascha Pfeifer, 06 Jan 2020
RC3: 'Review', Anonymous Referee #3, 03 Feb 2020
- AC5: 'Reply to Anonymous Referee #3', Sascha Pfeifer, 05 Feb 2020
RC4: 'Reviewer comments', Anonymous Referee #4, 07 Feb 2020
- AC6: 'Reply to Anonymous Referee #4', Sascha Pfeifer, 14 Feb 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Sascha Pfeifer on behalf of the Authors (28 Feb 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (03 Mar 2020) by Mingjin Tang

RR by Anonymous Referee #1 (03 Mar 2020)

RR by Anonymous Referee #4 (13 Mar 2020)

ED: Publish subject to minor revisions (review by editor) (16 Mar 2020) by Mingjin Tang

AR by Sascha Pfeifer on behalf of the Authors (02 Apr 2020) Author's response Manuscript

ED: Publish as is (07 Apr 2020) by Mingjin Tang

Short summary

The effect of the baseline drift on the resulting extinction values of three CAPS PMex monitors with different wavelengths was analysed for an urban background station. A significant baseline drift was observed, which leads to characteristic measurement artefacts for particle extinction. Two alternative methods for recalculating the baseline are shown. With these methods the extinction artefacts are diminished and the effective scattering of the resulting extinction values is reduced.