Articles | Volume 22, issue 14
https://doi.org/10.5194/acp-22-9435-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-9435-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Jul 2022
Research article |
| 22 Jul 2022
| 22 Jul 2022
Radar observations of winds, waves and tides in the mesosphere and lower thermosphere over South Georgia island (54° S, 36° W) and comparison with WACCM simulations
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
Nicholas J. Mitchell
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
British Antarctic Survey, Cambridge, UK
Neil Cobbett
British Antarctic Survey, Cambridge, UK
Anne K. Smith
National Center for Atmospheric Research, Boulder, CO, USA
Dave C. Fritts
GATS, Boulder, CO, USA
Diego Janches
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Corwin J. Wright
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
Tracy Moffat-Griffin
British Antarctic Survey, Cambridge, UK
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Cited
11 citations as recorded by crossref.
- Observation of MLT region winds and tides by the USTC Mengcheng meteor radar W. Yi et al. 10.52396/JUSTC-2022-0158
- Improving ionospheric predictability requires accurate simulation of the mesospheric polar vortex V. Harvey et al. 10.3389/fspas.2022.1041426
- Gravity waves generated by the Hunga Tonga–Hunga Ha′apai volcanic eruption and their global propagation in the mesosphere/lower thermosphere observed by meteor radars and modeled with the High-Altitude general Mechanistic Circulation Model G. Stober et al. 10.5194/acp-24-4851-2024
- Long-Term Observations of the Thermospheric 6 h Oscillation Revealed by an Incoherent Scatter Radar over Arecibo Y. Gong et al. 10.3390/rs15215098
- Mean winds and tidal variability from troposphere to the thermosphere retrieved from combined ground based and space borne measurements A. Teja et al. 10.1016/j.jastp.2024.106389
- Lidar measurements of noctilucent clouds at Río Grande, Tierra del Fuego, Argentina N. Kaifler et al. 10.5194/acp-24-14029-2024
- Mesospheric Water Vapor From SABER as a Tracer for the Residual Mean Circulation During SSW Events J. Zhang et al. 10.1029/2023JD039526
- Climatology of meteor echoes and mean winds in the MLT region revealed by SVU meteor radar over Tirupati (13.63oN, 79.4oE): Long-term trends M. Venkat Ratnam et al. 10.1016/j.asr.2024.12.055
- Evaluation of Polar Winter Mesopause Wind in WACCMX+DART V. Harvey et al. 10.1029/2022JD037063
- Multi‐Step Vertical Coupling During the January 2017 Sudden Stratospheric Warming E. Becker et al. 10.1029/2022JA030866
- Interannual Variability of the 12‐hr Tide in the Mesosphere and Lower Thermosphere in 15 Years of Meteor‐Radar Observations Over Rothera (68°S, 68°W) S. Dempsey et al. 10.1029/2022JD036694
8 citations as recorded by crossref.
- Observation of MLT region winds and tides by the USTC Mengcheng meteor radar W. Yi et al. 10.52396/JUSTC-2022-0158
- Improving ionospheric predictability requires accurate simulation of the mesospheric polar vortex V. Harvey et al. 10.3389/fspas.2022.1041426
- Gravity waves generated by the Hunga Tonga–Hunga Ha′apai volcanic eruption and their global propagation in the mesosphere/lower thermosphere observed by meteor radars and modeled with the High-Altitude general Mechanistic Circulation Model G. Stober et al. 10.5194/acp-24-4851-2024
- Long-Term Observations of the Thermospheric 6 h Oscillation Revealed by an Incoherent Scatter Radar over Arecibo Y. Gong et al. 10.3390/rs15215098
- Mean winds and tidal variability from troposphere to the thermosphere retrieved from combined ground based and space borne measurements A. Teja et al. 10.1016/j.jastp.2024.106389
- Lidar measurements of noctilucent clouds at Río Grande, Tierra del Fuego, Argentina N. Kaifler et al. 10.5194/acp-24-14029-2024
- Mesospheric Water Vapor From SABER as a Tracer for the Residual Mean Circulation During SSW Events J. Zhang et al. 10.1029/2023JD039526
- Climatology of meteor echoes and mean winds in the MLT region revealed by SVU meteor radar over Tirupati (13.63oN, 79.4oE): Long-term trends M. Venkat Ratnam et al. 10.1016/j.asr.2024.12.055
3 citations as recorded by crossref.
- Evaluation of Polar Winter Mesopause Wind in WACCMX+DART V. Harvey et al. 10.1029/2022JD037063
- Multi‐Step Vertical Coupling During the January 2017 Sudden Stratospheric Warming E. Becker et al. 10.1029/2022JA030866
- Interannual Variability of the 12‐hr Tide in the Mesosphere and Lower Thermosphere in 15 Years of Meteor‐Radar Observations Over Rothera (68°S, 68°W) S. Dempsey et al. 10.1029/2022JD036694
Latest update: 13 Feb 2025
Short summary
We present observations of winds in the mesosphere and lower thermosphere (MLT) from a recently installed meteor radar on the remote island of South Georgia (54° S, 36° W). We characterise mean winds, tides, planetary waves, and gravity waves in the MLT at this location and compare our measured winds with a leading climate model. We find that the observed wintertime winds are unexpectedly reversed from model predictions, probably because of missing impacts of secondary gravity waves in the model.
We present observations of winds in the mesosphere and lower thermosphere (MLT) from a recently...
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