Classification of climate in the northern hemisphere by the envelope of temperature signals

Yury V. Volkov; Valery A. Tartakovsky; Natalia N. Cheredko; Mikhail M. Kabanov; Sergey N. Kapustin

doi:10.1117/12.2505454

13 December 2018 Classification of climate in the northern hemisphere by the envelope of temperature signals

Yury V. Volkov, Valery A. Tartakovsky, Natalia N. Cheredko, Mikhail M. Kabanov, Sergey N. Kapustin

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108338Z (2018) https://doi.org/10.1117/12.2505454
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The authors developed the algorithm based on analytic signal theory, allowing grouping geophysical signals over various spatial and temporal scales. Surface temperature was selected as an integrated indicator of climate change. Algorithm can distinguish the climatic structures where multi-year temperature oscillations are congruent. To accomplish that, the information on temperature series amplitude temporal changes was used. Computing technology developed was applied to the data from 818 northern hemisphere meteorological stations over the period of 1955-2010. The classification for three correlation thresholds was obtained. Distinguished structures have strict geographical differentiation and defined by the highest synchronism level of temperature oscillations. Stations closest to each other spatially demonstrate the highest strength of relationship to typical class envelope.

Citation Download Citation

Yury V. Volkov, Valery A. Tartakovsky, Natalia N. Cheredko, Mikhail M. Kabanov, and Sergey N. Kapustin "Classification of climate in the northern hemisphere by the envelope of temperature signals", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108338Z (13 December 2018); https://doi.org/10.1117/12.2505454

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