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  Teleconnections in the northern extratropical troposheric circulation are significantly affected by the 11-year solar cycle

Huth, R. (2023): Teleconnections in the northern extratropical troposheric circulation are significantly affected by the 11-year solar cycle, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0916

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016547 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016547_1
Genre: Conference Paper

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 Creators:
Huth, Radan1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: The analysis of spatial autocorrelations and teleconnections are studied in the 500 hPa heights of the Northern Hemisphere Extratropics in winter in the NCEP/NCAR reanalysis for the period 1948-2018. Significant differences are found between months with high and low solar activity. Patterns of spatial autocorrelations of mid-tropospheric circulation differ between solar minima and maxima; the differences are highly significant over parts of the North Atlantic and North Pacific. Correlation structures of tropospheric circulation are significantly larger in their geographical extent under solar maxima over parts of the North Atlantic. The direction of teleconnections over eastern North America is also associated to solar activity: eastern North America is connected to the Pacific domain in solar minima, whereas to the Atlantic domain in solar maxima. The differences in teleconnections form a background for a response of modes of circulation variability and blocking anticyclones to solar activity, detected in previous studies.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-0916
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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