Articles | Volume 21, issue 10
https://doi.org/10.5194/acp-21-7695-2021
© Author(s) 2021. 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-21-7695-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 May 2021
Research article |
| 20 May 2021
| 20 May 2021
Stratospheric gravity waves over the mountainous island of South Georgia: testing a high-resolution dynamical model with 3-D satellite observations and radiosondes
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
School of Earth and Environment, University of Leeds, Leeds, UK
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
Alan M. Gadian
School of Earth and Environment, University of Leeds, Leeds, UK
Lars Hoffmann
Jülich Supercomputing Centre, Forschungszentrum Jülich, Jülich, Germany
John K. Hughes
School of Earth and Environment, University of Leeds, Leeds, UK
David R. Jackson
Met Office, Exeter, UK
John C. King
Atmosphere, Ice and Climate Group, British Antarctic Survey, Cambridge, UK
Nicholas J. Mitchell
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
Tracy Moffat-Griffin
Atmosphere, Ice and Climate Group, British Antarctic Survey, Cambridge, UK
Andrew C. Moss
Centre for Space, Atmospheric and Oceanic Science, University of Bath, Bath, UK
Simon B. Vosper
Met Office, Exeter, UK
Andrew N. Ross
School of Earth and Environment, University of Leeds, Leeds, UK
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Cited
9 citations as recorded by crossref.
- 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 N. Hindley et al. 10.5194/acp-22-9435-2022
- Secondary Gravity Waves From the Stratospheric Polar Vortex Over ALOMAR Observatory on 12–14 January 2016: Observations and Modeling S. Vadas et al. 10.1029/2022JD036985
- A Method for Estimating Global Subgrid‐Scale Orographic Gravity‐Wave Temperature Perturbations in Chemistry‐Climate Models M. Weimer et al. 10.1029/2022MS003505
- Comparing Loon Superpressure Balloon Observations of Gravity Waves in the Tropics With Global Storm‐Resolving Models L. Köhler et al. 10.1029/2023JD038549
- A Comparison of Stratospheric Gravity Waves in a High‐Resolution General Circulation Model With 3‐D Satellite Observations H. Okui et al. 10.1029/2023JD038795
- Gravity Wave Momentum Fluxes from 1 km Global ECMWF Integrated Forecast System A. Gupta et al. 10.1038/s41597-024-03699-x
- Quiet Time Thermospheric Gravity Waves Observed by GOCE and CHAMP S. Xu et al. 10.1029/2023JA032078
- Wind Predictions in the Lower Stratosphere: State of the Art and Application of the COSMO Limited Area Model E. Bucchignani 10.3390/meteorology1030020
- A High‐Resolution Whole‐Atmosphere Model With Resolved Gravity Waves and Specified Large‐Scale Dynamics in the Troposphere and Stratosphere E. Becker et al. 10.1029/2021JD035018
8 citations as recorded by crossref.
- 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 N. Hindley et al. 10.5194/acp-22-9435-2022
- Secondary Gravity Waves From the Stratospheric Polar Vortex Over ALOMAR Observatory on 12–14 January 2016: Observations and Modeling S. Vadas et al. 10.1029/2022JD036985
- A Method for Estimating Global Subgrid‐Scale Orographic Gravity‐Wave Temperature Perturbations in Chemistry‐Climate Models M. Weimer et al. 10.1029/2022MS003505
- Comparing Loon Superpressure Balloon Observations of Gravity Waves in the Tropics With Global Storm‐Resolving Models L. Köhler et al. 10.1029/2023JD038549
- A Comparison of Stratospheric Gravity Waves in a High‐Resolution General Circulation Model With 3‐D Satellite Observations H. Okui et al. 10.1029/2023JD038795
- Gravity Wave Momentum Fluxes from 1 km Global ECMWF Integrated Forecast System A. Gupta et al. 10.1038/s41597-024-03699-x
- Quiet Time Thermospheric Gravity Waves Observed by GOCE and CHAMP S. Xu et al. 10.1029/2023JA032078
- Wind Predictions in the Lower Stratosphere: State of the Art and Application of the COSMO Limited Area Model E. Bucchignani 10.3390/meteorology1030020
Latest update: 17 Nov 2024
Short summary
One limitation of numerical atmospheric models is spatial resolution. For atmospheric gravity waves (GWs) generated over small mountainous islands, the driving effect of these waves on atmospheric circulations can be underestimated. Here we use a specialised high-resolution model over South Georgia island to compare simulated stratospheric GWs to colocated 3-D satellite observations. We find reasonable model agreement with observations, with some GW amplitudes much larger than expected.
One limitation of numerical atmospheric models is spatial resolution. For atmospheric gravity...
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