The 100 000-Year Periodicity in Glacial Cycles and Oscillations of World Ocean Level

The 100 000-year periodicity of climate changes during the Late Pleistocene (in the last 800 ka) may be related to the respective oscillations in both insolation and submarine volcanic activity, with the latter being affected by gravity forces in the solar system. This is concluded on the basis of w...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2019-07, Vol.55 (4), p.334-340
Main Author: Bezverkhnii, V. A.
Format: Article
Language:English
Subjects:
Climate change
Climatology
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Gravity
Oscillations
Periodicity
Pleistocene
Solar system
Volcanic activity
Wavelet analysis
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Summary:The 100 000-year periodicity of climate changes during the Late Pleistocene (in the last 800 ka) may be related to the respective oscillations in both insolation and submarine volcanic activity, with the latter being affected by gravity forces in the solar system. This is concluded on the basis of wavelet analysis of long-term data series on oscillations of the Earth’s orbital eccentricity, variations in various paleoclimatic characteristics, their known spectral estimates, and data on submarine volcanic activity.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433819040030