Articles | Volume 22, issue 1
https://doi.org/10.5194/acp-22-197-2022
© 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-22-197-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Jan 2022
Research article |
| 07 Jan 2022
| 07 Jan 2022
Specified dynamics scheme impacts on wave-mean flow dynamics, convection, and tracer transport in CESM2 (WACCM6)
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Patrick Callaghan
Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Isla R. Simpson
Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Simone Tilmes
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
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Total article views: 2,816 (including HTML, PDF, and XML)
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- Very short-lived halogens amplify ozone depletion trends in the tropical lower stratosphere J. Villamayor et al. 10.1038/s41558-023-01671-y
- Improving Climate Bias and Variability via CNN‐Based State‐Dependent Model‐Error Corrections W. Chapman & J. Berner 10.1029/2024GL114106
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- The Lack of a QBO‐MJO Connection in Climate Models With a Nudged Stratosphere Z. Martin et al. 10.1029/2023JD038722
- Stratospheric Aerosol and Ozone Responses to the Hunga Tonga‐Hunga Ha'apai Volcanic Eruption J. Lu et al. 10.1029/2022GL102315
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- Description and performance of a sectional aerosol microphysical model in the Community Earth System Model (CESM2) S. Tilmes et al. 10.5194/gmd-16-6087-2023
- How the extreme 2019–2020 Australian wildfires affected global circulation and adjustments F. Senf et al. 10.5194/acp-23-8939-2023
- A Multimodel Investigation of Asian Summer Monsoon UTLS Transport Over the Western Pacific L. Pan et al. 10.1029/2022JD037511
- Pyrocumulonimbus Events Over British Columbia in 2017: An Ensemble Model Study of Parameter Sensitivities and Climate Impacts of Wildfire Smoke in the Stratosphere H. Lee et al. 10.1029/2022JD037648
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Latest update: 01 Apr 2025
Short summary
Specified dynamics schemes attempt to constrain the atmospheric circulation in a climate model to isolate the role of transport in chemical variability, evaluate model physics, and interpret field campaign observations. We show that the specified dynamics scheme in CESM2 erroneously suppresses convection and induces circulation errors that project onto errors in tracers, even using the most optimal settings. Development of a more sophisticated scheme is necessary for future progress.
Specified dynamics schemes attempt to constrain the atmospheric circulation in a climate model...
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