Ground-based temperature and humidity profiling: combining active and passive remote sensors

Turner, David D.; Löhnert, Ulrich

doi:https://doi.org/10.5194/amt-14-3033-2021

Articles | Volume 14, issue 4

https://doi.org/10.5194/amt-14-3033-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Tropospheric profiling (ISTP11) (AMT/ACP inter-journal SI)

https://doi.org/10.5194/amt-14-3033-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 4

Research article

|

26 Apr 2021

Research article |

| 26 Apr 2021

Ground-based temperature and humidity profiling: combining active and passive remote sensors

David D. Turner and Ulrich Löhnert

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Final revised paper (published on 26 Apr 2021)
Preprint (discussion started on 24 Sep 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'referee comment', Anonymous Referee #1, 19 Oct 2020
- AC1: 'Reply on RC1', D. D. Turner, 16 Feb 2021
RC2: 'Referee comment', Anonymous Referee #2, 09 Nov 2020
- AC2: 'Reply on RC2', D. D. Turner, 16 Feb 2021

Peer-review completion

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

AR by D. D. Turner on behalf of the Authors (16 Feb 2021) Author's response Author's tracked changes Manuscript

ED: Publish subject to technical corrections (05 Mar 2021) by E. J. O'Connor

There are some minor technical corrections to make, after which I consider this manuscript to be ready for publication.

In the 'clean' version of the manuscript:

Line 43: Replace 'IR instrument' with 'the IR instrument'.
Line 60: Replace 'in the thermodynamic profiling' with 'in thermodynamic profiling'.
Line 65: Replace 'atmosphere' with 'the atmosphere'.
Line 89: Replace 'are or will likely soon become' with 'are, or will likely soon, become'.
Lines 96-97: Replace 'height dependent' with 'height-dependent'.
Lines 122-123: Swap the order of the citations.
Lines 162, 542, 571: Although the terminology 'co-added' may be common in some parts of the lidar community, this manuscript is intended for a wider audience that is unlikely to have come across this term. I recommend either explaining this term in the first usage, or using a term such as 'photon accumulation'.
Line 178: Replace 'have' with 'has'.
Line 190: Replace 'this ceilometer is used' with 'a ceilometer used'.
Line 220: Remove 'the'.
Line 227: Replace 'a priori' with 'an a priori'.
Line 231: Replace 'satisfies' with 'satisfy'.
Line 249: Replace 'on' with 'of'.
Line 273: Replace 'the Eq 1,' with 'Eq 1,'.
Line 293: Replace 'are using' with 'use'.
Line 297: Replace 'the SGP' with 'the'.
Line 333: Replace 'like' with 'similar to'.
Line 358: Remove 'channels'.
Line 409: Replace 'the' with 'a'.
Line 456: Replace 'uses' with 'use'.
Line 459: Replace 'illustrate the' with 'illustrate that the'.
Lines 459-467 and Figs 3 and 4: You use MWRRe and MWRe-only in the text and in the figure legends. I presume these should be MWRzo and MWRzo-only?
Line 480: Replace 'used a single elevation angle to the' with either 'included one elevation angle for' or 'included one additional elevation angle for'.
Line 481: Replace 'increase' with 'increase of'.

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AR by D. D. Turner on behalf of the Authors (07 Mar 2021) Author's response Manuscript

Short summary

Temperature and humidity profiles in the lowest couple of kilometers near the surface are very important for many applications. Passive spectral radiometers are commercially available, and observations from these instruments have been used to get these profiles. However, new active lidar systems are able to measure partial profiles of water vapor. This paper investigates how the derived profiles of water vapor and temperature are improved when the active and passive observations are combined.