Articles | Volume 14, issue 8
Atmos. Meas. Tech., 14, 5459–5472, 2021
https://doi.org/10.5194/amt-14-5459-2021
Atmos. Meas. Tech., 14, 5459–5472, 2021
https://doi.org/10.5194/amt-14-5459-2021

Research article 10 Aug 2021

Research article | 10 Aug 2021

Slit homogenizer introduced performance gain analysis based on the Sentinel-5/UVNS spectrometer

Timon Hummel et al.

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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 amt-2021-15', Ruediger Lang, 19 Mar 2021
    • AC1: 'Reply on RC1', Timon Hummel, 18 May 2021
  • RC2: 'Comment on amt-2021-15', Bernd Sierk, 28 Mar 2021
    • AC2: 'Reply on RC2', Timon Hummel, 18 May 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Timon Hummel on behalf of the Authors (18 Jun 2021)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (03 Jul 2021) by Ulrich Platt
AR by Timon Hummel on behalf of the Authors (08 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (08 Jul 2021) by Ulrich Platt
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Short summary
The impact of heterogeneous scene radiance affects the quality of trace gas retrieval products of Earth observation imaging spectrometers. This effect can be mitigated by introducing on-board hardware solutions called slit homogenizers, which scramble the light entering the instrument and thereby make it insensitive to Earth scene contrast. Here we present a comprehensive modeling of the slit homogenizer present in the Sentinel-5/UVNS instrument and quantify the spectral performance.