Multiscale quasiperiodicity of the NAO index and its influence on the structure of the Black Sea wind field

TitleMultiscale quasiperiodicity of the NAO index and its influence on the structure of the Black Sea wind field
Publication TypeJournal Article
Year of Publication2014
AuthorsEremeev, VN, Zhukov, AN, Melnikova, ON, Sizov, AA, Chukraev, AM
Abbreviated Key TitleDopov. Nac. akad. nauk Ukr.
DOI10.15407/dopovidi2014.07.102
Issue7
SectionGeosciences
Pagination102-108
Date Published7/2014
LanguageRussian
Abstract

Quasiperiodic features of the North Atlantic Oscillation temporal variability on interdecadal and interannual scales are assessed. The existence of a group of stable fluctuations with periods close to 140–150, 60–80, ∼40, 20–25, and 7–9 years using the time series analysis methods of digital filtration and the wavelet analyses is shown. Based on the NCEP/NCAR re-analysis, the changes in the structure of the Black Sea near-surface wind field occurring in accordance with half-cycles of ∼60–80 year fluctuations are shown.
KeywordsBlack Sea, NAO index, structure, wind field
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