An update on the uncertainties of water vapor measurements using cryogenic
frost point hygrometers

Vömel, Holger; Naebert, Tatjana; Dirksen, Ruud; Sommer, Michael

doi:https://doi.org/10.5194/amt-9-3755-2016

Articles | Volume 9, issue 8

https://doi.org/10.5194/amt-9-3755-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Water vapour in the upper troposphere and middle atmosphere:...

https://doi.org/10.5194/amt-9-3755-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 8

Research article

|

16 Aug 2016

Research article |

| 16 Aug 2016

An update on the uncertainties of water vapor measurements using cryogenic frost point hygrometers

Holger Vömel, Tatjana Naebert, Ruud Dirksen, and Michael Sommer

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Final revised paper (published on 16 Aug 2016)
Preprint (discussion started on 08 Mar 2016)

Interactive discussion

Status: closed

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

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RC1: 'a review report', Anonymous Referee #1, 31 Mar 2016
RC2: 'Review of amt-2016-44, “An update on the uncertainties of water vapor measurements using Cryogenic Frostpoint Hygrometers” by H. Vömel, T. Naebert, R. Dirksen, and M. Sommer', Anonymous Referee #2, 05 Apr 2016
RC3: 'An update on the uncertainties of water vapor measurements using Cryogenic Frostpoint Hygrometers', Anonymous Referee #3, 16 Apr 2016
AC1: 'Response to referee comments', Holger Vömel, 02 Jul 2016

Short summary

This paper describes the fidelity of vertical profile measurements of atmospheric water vapor using the Cryogenic Frostpoint Hygrometer (CFH), which depends on the stability of the calibration, instrument behaviour, and validation of these measurements with respect to a reference. Being able to characterize each of these elements is essential in the understanding long time series of atmospheric water vapor measurements and in the interpretation of water vapor process studies.