Structure of atmospheric circulation variability in the North Atlantic/European Sector related to AMO in summer

V. A. Semenov; E. A. Cherenkova

doi:10.1117/12.2285332

30 November 2017 Structure of atmospheric circulation variability in the North Atlantic/European Sector related to AMO in summer

V. A. Semenov, E. A. Cherenkova

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1046654 (2017) https://doi.org/10.1117/12.2285332
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

The impact of the Atlantic Multidecadal Oscillation (AMO) on the major modes of large-scale atmospheric circulation in the North Atlantic/European Sector in summer is analyzed. It is shown that summer SST anomalies associated with AMO are linked not only to the NAO, but also to East Atlantic/ Western Russia (EAWR) teleconnection pattern. Negative (positive) values of NAO and EAWR indices prevailed in the positive (negative) phase of AMO. The dominance of the opposite phases of NAO, SCAND and EAWR indices in summer during the warm and cooler North Atlantic results in differences in the regional climate. The coupled response of the NAO, EAWR and SCAND is more distinct in the years of extreme AMO index values, what indicates a linearity of the linkage.

Citation Download Citation

V. A. Semenov and E. A. Cherenkova "Structure of atmospheric circulation variability in the North Atlantic/European Sector related to AMO in summer", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046654 (30 November 2017); https://doi.org/10.1117/12.2285332

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