High-resolution optical constants of crystalline ammonium nitrate for infrared remote sensing of the Asian Tropopause  Aerosol Layer

Wagner, Robert; Testa, Baptiste; Höpfner, Michael; Kiselev, Alexei; Möhler, Ottmar; Saathoff, Harald; Ungermann, Jörn; Leisner, Thomas

doi:https://doi.org/10.5194/amt-14-1977-2021

Articles | Volume 14, issue 3

https://doi.org/10.5194/amt-14-1977-2021

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

https://doi.org/10.5194/amt-14-1977-2021

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

Articles | Volume 14, issue 3

Research article

| Highlight paper

|

11 Mar 2021

Research article | Highlight paper |

| 11 Mar 2021

High-resolution optical constants of crystalline ammonium nitrate for infrared remote sensing of the Asian Tropopause Aerosol Layer

Robert Wagner, Baptiste Testa, Michael Höpfner, Alexei Kiselev, Ottmar Möhler, Harald Saathoff, Jörn Ungermann, and Thomas Leisner

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Final revised paper (published on 11 Mar 2021)
Preprint (discussion started on 12 Aug 2020)

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 #1, 05 Dec 2020
- AC1: 'Reply on RC1', Robert Wagner, 15 Jan 2021
RC2: 'Comments on the hi-res optical constants for ammonium nitrate at 223 K', Anonymous Referee #2, 22 Dec 2020
- AC2: 'Reply on RC2', Robert Wagner, 15 Jan 2021

Peer-review completion

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

AR by Robert Wagner on behalf of the Authors (19 Jan 2021) Author's response Manuscript

ED: Publish as is (22 Jan 2021) by Andreas Macke

AR by Robert Wagner on behalf of the Authors (01 Feb 2021)

Short summary

During the Asian summer monsoon period, air pollutants are transported from layers near the ground to high altitudes of 13 to 18 km in the atmosphere. Infrared measurements have shown that particles composed of solid ammonium nitrate are a major part of these pollutants. To enable the quantitative analysis of the infrared spectra, we have determined for the first time accurate optical constants of ammonium nitrate for the low-temperature conditions of the upper atmosphere.