Connection between long-term mid-latitude atmosphere variability and interannual climate modes

Andrey Gavrilov; Dmitry Mukhin; Evgeny Loskutov; Alexander Feigin

doi:10.1117/12.2601902

15 December 2021 Connection between long-term mid-latitude atmosphere variability and interannual climate modes

Andrey Gavrilov, Dmitry Mukhin, Evgeny Loskutov, Alexander Feigin

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119164Z (2021) https://doi.org/10.1117/12.2601902
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

In this work we investigate connection between mid-latitude atmosphere and principal modes of global sea surface temperature (SST). For this purpose, we apply the linear dynamical mode decomposition to the monthly SST anomalies: the obtained modes describe the Pacific Decadal Oscillation and the El-Niño Southern Oscillation (ENSO). We analyze the regression of atmospheric characteristics on the time-shifted modes and detect bidirectional connections between ENSO and the mid-latitude atmosphere up to one-year delay. The work was carried out within the framework of the Program for the Development of the Regional Scientifc and Educational Mathematical Center "Mathematics of Future Technologies", project #075-02-2020-1483/1.

Citation Download Citation

Andrey Gavrilov, Dmitry Mukhin, Evgeny Loskutov, and Alexander Feigin "Connection between long-term mid-latitude atmosphere variability and interannual climate modes", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119164Z (15 December 2021); https://doi.org/10.1117/12.2601902

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