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Recent behavior of the Hadley cell and tropical thermodynamics in climate models and reanalyses
Abstract
The behavior of the Hadley cell and the thermodynamic structure of the tropical atmosphere is analyzed over the period 1979–2000 in climate models and reanalyses. Significant trends in the strength of the Hadley cell are present in reanalyses that are not reproduced by models. Analysis of the thermodynamic structure also shows significant discrepancies between models and reanalyses, the former show warming aloft and increased static stability while the latter show a cooling trend and decreased static stability in the tropical mid‐troposphere. Additional energy balance analysis reveals that models and reanalyses have a fundamentally different balance between diabatic heating, circulation and thermodynamic structure over the period 1979–2000. Uncertainties in the observations of tropospheric temperatures as well as potential biases and errors in the climate models raise questions about the true long‐term behavior of the thermodynamic structure of the tropical troposphere and the Hadley cell.
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Citations
Cited by
Expansion of the Hadley cell under global warming
Lu, J., Vecchi, G. A., & Reichler, T. (2007) · Geophysical Research Letters · doi:10.1029/2006gl028443 · Cited by 1,219
Williams, A. P., & Funk, C. (2011) · Climate Dynamics · doi:10.1007/s00382-010-0984-y · Cited by 521
Wang, B., Liu, J., Kim, H.-J., Webster, P. J., Yim, S.-Y., & Xiang, B. (2013) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1219405110 · Cited by 401
Response of the large‐scale structure of the atmosphere to global warming
Vallis, G. K., Zurita‐Gotor, P., Cairns, C., & Kidston, J. (2015) · Quarterly Journal of the Royal Meteorological Society · doi:10.1002/qj.2456 · Cited by 306
The expanding tropics: a critical assessment of the observational and modeling studies
Lucas, C., Timbal, B., & Nguyen, H. (2014) · WIREs Climate Change · doi:10.1002/wcc.251 · Cited by 258
Metadata
- Authors
- Mitas, C. M., & Clement, A.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2006-01-06
- Volume
- 33
- Issue
- 1
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W1488432771
- Cited by
- 163
- References
- 0
- FWCI
- 7.00
- Type
- journal article
- Language
- en
- Open access
- closed
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