Articles | Volume 22, issue 12
https://doi.org/10.5194/acp-22-7861-2022
https://doi.org/10.5194/acp-22-7861-2022
Research article
 | 
17 Jun 2022
Research article |  | 17 Jun 2022

Suppressed migrating diurnal tides in the mesosphere and lower thermosphere region during El Niño in northern winter and its possible mechanism

Yetao Cen, Chengyun Yang, Tao Li, James M. Russell III, and Xiankang Dou

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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 acp-2021-884', Anonymous Referee #1, 15 Dec 2021
    • AC1: 'Reply on RC1', Chengyun Yang, 30 Jan 2022
  • RC2: 'Comment on acp-2021-884', Anonymous Referee #3, 16 Dec 2021
    • AC2: 'Reply on RC2', Chengyun Yang, 30 Jan 2022
  • RC3: 'Comment on acp-2021-884', Anonymous Referee #2, 19 Dec 2021
    • AC3: 'Reply on RC3', Chengyun Yang, 30 Jan 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Chengyun Yang on behalf of the Authors (30 Jan 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (14 Feb 2022) by William Ward
RR by Anonymous Referee #1 (27 Feb 2022)
RR by Anonymous Referee #3 (27 Mar 2022)
ED: Publish subject to minor revisions (review by editor) (28 Mar 2022) by William Ward
AR by Chengyun Yang on behalf of the Authors (30 Mar 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to minor revisions (review by editor) (18 Apr 2022) by William Ward
AR by Chengyun Yang on behalf of the Authors (24 Apr 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (11 May 2022) by William Ward
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Short summary
The MLT DW1 amplitude is suppressed during El Niño winters in both satellite observation and SD-WACCM simulations. The suppressed Hough mode (1, 1) in the tropopause region propagates vertically to the MLT region, leading to decreased DW1 amplitude. The latitudinal zonal wind shear anomalies during El Niño winters would narrow the waveguide and prevent the vertical propagation of DW1. The gravity wave drag excited by ENSO-induced anomalous convection could also modulate the MLT DW1 amplitude.
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