Articles | Volume 40, issue 4
Ann. Geophys., 40, 519–530, 2022
https://doi.org/10.5194/angeo-40-519-2022
Ann. Geophys., 40, 519–530, 2022
https://doi.org/10.5194/angeo-40-519-2022
Regular paper
02 Aug 2022
Regular paper | 02 Aug 2022

Arecibo measurements of D-region electron densities during sunset and sunrise: implications for atmospheric composition

Carsten Baumann 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 angeo-2022-12', Anonymous Referee #1, 26 Apr 2022
    • AC1: 'Reply on RC1', Carsten Baumann, 01 Jun 2022
  • RC2: 'Comment on angeo-2022-12', Anonymous Referee #2, 27 Apr 2022
    • AC2: 'Reply on RC2', Carsten Baumann, 01 Jun 2022
  • RC3: 'Comment on angeo-2022-12', Anonymous Referee #3, 30 Apr 2022
    • AC3: 'Reply on RC3', Carsten Baumann, 01 Jun 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (24 Jun 2022) by Dalia Buresova
AR by Carsten Baumann on behalf of the Authors (27 Jun 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (04 Jul 2022) by Dalia Buresova
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Short summary
The Arecibo radar was used to probe free electrons of the ionized atmosphere between 70 and 100 km altitude. This is also the altitude region were meteors evaporate and form secondary particulate matter, the so-called meteor smoke particles (MSPs). Free electrons attach to these MSPs when the sun is below the horizon and cause a drop in the number of free electrons, which are the subject of these measurements. We also identified a different number of free electrons during sunset and sunrise.