Northern hemisphere temperature field structure in various time frames

Natalia N. Chered'ko; Valery A. Tartakovsky; Yury V. Volkov; Vladimir A. Krutikov

doi:10.1117/12.2504479

13 December 2018 Northern hemisphere temperature field structure in various time frames

Natalia N. Chered'ko, Valery A. Tartakovsky, Yury V. Volkov, Vladimir A. Krutikov

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083384 (2018) https://doi.org/10.1117/12.2504479
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The paper researches Northern hemisphere surface temperature field structure based on the data of 818 meteorological stations for different time frames. Surface temperature is an integrated indicator of the global and regional climate change. Authors classified the stations by the degree of congruence in their multi-year temperature dynamics at various yearly intervals, corresponding to global climate trends. Temperature observational series were interpreted as phase modulated oscillations. The suggested classification is based on the hypothesis of geographical dependence in temperature signal phase modulation specifics. Congruence, namely temperature oscillation phasing in particular regions serves as a criteria for classification. The totality of climate-regulating influences on climate system forms a complex kind of phase modulation, which is though in some correspondence to those disturbances. We believe, that changes in synchronization modes of climatic and natural processes, is consequent to system transition into a new quality. The paper shows that with a global temperature growth regional temperature fields restructure and degree of congruence in temperature dynamics changes. Those changes are not uniform over different regions of the hemisphere. Temperature field congruence tends to decrease. The search for synchronization in non-linear chaotic systems, sensitive to initial conditions, might become a promising way of predicting models optimization.

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Natalia N. Chered'ko, Valery A. Tartakovsky, Yury V. Volkov, and Vladimir A. Krutikov "Northern hemisphere temperature field structure in various time frames", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083384 (13 December 2018); https://doi.org/10.1117/12.2504479

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KEYWORDS

Climatology

Climate change

Temperature metrology

Environmental sensing

Phase modulation

Analytical research

Solar energy

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