Modern trends of the macroscale atmospheric circulation in the river runoff variability in the north of the East European Plain

V. V. Popova

doi:10.1117/12.2645710

7 December 2022 Modern trends of the macroscale atmospheric circulation in the river runoff variability in the north of the East European Plain

V. V. Popova

Author Affiliations +

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123416Z (2022) https://doi.org/10.1117/12.2645710
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

Modern trends of changes in large-scale atmospheric circulation, significant for the long-term changes in river runoff in the in the north of East European Plain, are discussed. The analysis of spatial features of the correlation between precipitation and macroscale circulation modes, as well as their manifestations in the annual river runoff changes in the Severnaya Dvina catchment. The obtained linear regression and spectral estimates of the Scandinavian mode contribution to the annual runoff variability in the Severnaya Dvina basin show that the leading factor of its anomalies appear to be the strengthening/weakening of the westerly transport described by this circulation mode in the opposite phase.

Citation Download Citation

V. V. Popova "Modern trends of the macroscale atmospheric circulation in the river runoff variability in the north of the East European Plain", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123416Z (7 December 2022); https://doi.org/10.1117/12.2645710

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