Articles | Volume 13, issue 5
Atmos. Meas. Tech., 13, 2711–2731, 2020
https://doi.org/10.5194/amt-13-2711-2020
Atmos. Meas. Tech., 13, 2711–2731, 2020
https://doi.org/10.5194/amt-13-2711-2020

Research article 27 May 2020

Research article | 27 May 2020

Calibration of an airborne HOx instrument using the All Pressure Altitude-based Calibrator for HOx Experimentation (APACHE)

Daniel Marno 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 Daniel Marno on behalf of the Authors (26 Feb 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (10 Mar 2020) by Lisa Whalley
RR by Anonymous Referee #1 (23 Mar 2020)
RR by Anonymous Referee #2 (24 Mar 2020)
ED: Publish as is (03 Apr 2020) by Lisa Whalley
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Short summary
In this study, a calibration device for OH and HO2 instruments is characterized at pressures of 275 to 1000 mbar, allowing instrument pressure sensitivity to be quantified to an accuracy of 22 % (1σ). Computational fluid dynamic simulations supporting the understanding of interactions between generated HOx and the instrument inlet led to enhanced determination of factors affecting instrument sensitivity.