Articles | Volume 18, issue 17
https://doi.org/10.5194/amt-18-4183-2025
https://doi.org/10.5194/amt-18-4183-2025
Research article
 | 
08 Sep 2025
Research article |  | 08 Sep 2025

Towards a low-resolution infrared sounder for monitoring atmospheric ammonia (NH3) at high spatial resolution

Lara Noppen, Lieven Clarisse, Frederik Tack, Thomas Ruhtz, Martin Van Damme, Michel Van Roozendael, Dirk Schuettemeyer, and Pierre Coheur

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-3455', Anonymous Referee #1, 28 Apr 2025
    • AC1: 'Reply on RC1', Lara Noppen, 11 Jun 2025
  • RC2: 'Comment on egusphere-2024-3455', Anonymous Referee #2, 07 May 2025
    • AC2: 'Reply on RC2', Lara Noppen, 11 Jun 2025

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Lara Noppen on behalf of the Authors (11 Jun 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (01 Jul 2025) by Daniela Famulari
AR by Lara Noppen on behalf of the Authors (03 Jul 2025)
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Short summary
Current infrared satellite sounders offer high spectral but low spatial resolution, limiting their ability to quantify atmospheric ammonia (NH3) at small scales. Through simulations and analysis of real data, we show that NH3 can be measured effectively from spectra with reduced resolution, either in a contiguous spectral range or in select well-chosen bands. This approach opens possibilities for the development of smaller dedicated instruments for observing NH3 at high spatial resolution.
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