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Australian Rainfall and Surface Temperature Variations Associated with the Southern Hemisphere Annular Mode
Abstract
Daily variations in Australian rainfall and surface temperature associated with the Southern Hemisphere annular mode (SAM) are documented using observations for the period 1979–2005. The high index polarity of the SAM is characterized by a poleward contraction of the midlatitude westerlies. During winter, the high index polarity of the SAM is associated with decreased daily rainfall over southeast and southwest Australia, but during summer it is associated with increased daily rainfall on the southern east coast of Australia and decreased rainfall in western Tasmania. Variations in the SAM explain up to ∼15% of the weekly rainfall variance in these regions, which is comparable to the variance accounted for by the El Niño–Southern Oscillation, especially during winter. The most widespread temperature anomalies associated with the SAM occur during the spring and summer seasons, when the high index polarity of the SAM is associated with anomalously low maximum temperature over most of central/eastern subtropical Australia. The regions of decreased maximum temperature are also associated with increased rainfall. Implications for recent trends in Australian rainfall and temperature are discussed.
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Cited by
van Dijk, A. I. J. M., Beck, H. E., Crosbie, R. S., de Jeu, R. A. M., Liu, Y. Y., Podger, G. M., Timbal, B., & Viney, N. R. (2013) · Water Resources Research · doi:10.1002/wrcr.20123 · Cited by 1,357
Abram, N. J., Henley, B. J., Sen Gupta, A., Lippmann, T. J. R., Clarke, H., Dowdy, A. J., Sharples, J. J., Nolan, R. H., Zhang, T., Wooster, M. J., et al. (2021) · Communications Earth & Environment · doi:10.1038/s43247-020-00065-8 · Cited by 853
Global Mean Climate and Main Patterns of Variability in the CMCC‐CM2 Coupled Model
Cherchi, A., Fogli, P. G., Lovato, T., Peano, D., Iovino, D., Gualdi, S., Masina, S., Scoccimarro, E., Materia, S., Bellucci, A., et al. (2019) · Journal of Advances in Modeling Earth Systems · doi:10.1029/2018ms001369 · Cited by 615
McVicar, T. R., Van Niel, T. G., Li, L. T., Roderick, M. L., Rayner, D. P., Ricciardulli, L., & Donohue, R. J. (2008) · Geophysical Research Letters · doi:10.1029/2008gl035627 · Cited by 422
Impacts of the Madden–Julian Oscillation on Australian Rainfall and Circulation
Wheeler, M. C., Hendon, H. H., Cleland, S., Meinke, H., & Donald, A. (2009) · Journal of Climate · doi:10.1175/2008jcli2595.1 · Cited by 323
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Metadata
- Authors
- Hendon, H. H., Thompson, D. W. J., & Wheeler, M. C.
- Venue
- Journal of Climate
- Publisher
- American Meteorological Society
- Published
- 2007-06-01
- Volume
- 20
- Issue
- 11
- Pages
- 2452-2467
- ISSN
- 0894-8755 (ISSN-L)
- 1520-0442
- OpenAlex
- W2097403132
- Cited by
- 546
- References
- 0
- FWCI
- 18.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hendon, H. H., Thompson, D. W. J., & Wheeler, M. C. (2007). Australian Rainfall and Surface Temperature Variations Associated with the Southern Hemisphere Annular Mode. Journal of Climate. https://doi.org/10.1175/jcli4134.1
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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