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Quasi-Biennial Oscillations Extracted from the Monthly NAO Index and Temperature Records are Phase-Synchronized

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985807%3A_____%2F06%3A00039961" target="_blank" >RIV/67985807:_____/06:00039961 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Quasi-Biennial Oscillations Extracted from the Monthly NAO Index and Temperature Records are Phase-Synchronized

  • Original language description

    Using the extension of Monte Carlo Singular System Analysis (MC SSA), based on evaluating and testing the regularity of the dynamics of the SSA modes against the colored noise null hypothesis, we demonstrate detection of oscillatory modes with period ofabout 27 months in records of monthly average near-surface air temperature from several European locations, as well as in the monthly North Atlantic Oscillation index. According to their period, the detected modes can be attributed to the quasi-biennialoscillations (QBO). The QBO modes extracted from the temperature and from the NAO index underwent synchronization analysis and their phase synchronization has been confirmed with high statistical significance.

  • Czech name

    Přibližné dvouleté oscilace získané z měsíčních záznamů indexu NAO a teploty jsou fázově synchronizovány

  • Czech description

    Vyvinuli jsme originální rozšíření metody Monte Carlo Singular System Analysis (MC SSA), s jehož pomoci jsme dokázali existenci oscilačních modu s periodou 27 měsíců v dlouhodobých záznamech atmosférické teploty a indexu severoatlantické oscilace NAO. Tyto přibližně dvouleté oscilační mody byly dále analyzovány a jejich fázová synchronizace byla statisticky prokázána.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DG - Atmospheric sciences, meteorology

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/IAA3042401" target="_blank" >IAA3042401: Solar and geomagnetic effects on the Northern Hemisphere tropospheric circulation</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nonlinear Processes in Geophysics

  • ISSN

    1023-5809

  • e-ISSN

  • Volume of the periodical

    13

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    10

  • Pages from-to

    287-296

  • UT code for WoS article

  • EID of the result in the Scopus database