Modes of low-frequency circulation variability in the Southern Hemisphere

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F14%3A00426817" target="_blank" >RIV/68378289:_____/14:00426817 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Modes of low-frequency circulation variability in the Southern Hemisphere
Original language description
In the Northern Hemisphere (NH), the modes of variability of tropospheric circulation on intra-seasonal timescales also referred to as teleconnections) were described in detail several decades ago. Somewhat surprisingly, a similar description for the Southern Hemisphere (SH) is lacking, a possible reason for this being that the atmospheric circulation in the SH is more transient and less stationary than in the NH, which may have downplayed the importance of the modes for the description of the SH circulation. The only three exceptions that have been described and discussed in detail, including the temporal changes and effects on surface climate elements, are the Southern Annular Mode and two Paci?c-South American modes. In the contribution, we presentan overview of all the modes of the low-frequency circulation variability in the Southern Hemisphere extratropics, in all seasons, detected by rotated principal component analysis of monthly mean values of 500 hPa heights.
Czech name
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Czech description
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Project
<a href="/en/project/7AMB12AR019" target="_blank" >7AMB12AR019: Effects of solar variability on the atmospheric circulation in the Southern Hemisphere and the South American climate on interannual to millenial timescales</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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