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Scaling Properties of Paleomagnetic Reversal Sequence : Volume 3, Issue 1 (30/11/-0001)

By Ivanov, S. S.

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Book Id: WPLBN0004019857
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: Scaling Properties of Paleomagnetic Reversal Sequence : Volume 3, Issue 1 (30/11/-0001)  
Author: Ivanov, S. S.
Volume: Vol. 3, Issue 1
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
-0001
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Ivanov, S. S. (-0001). Scaling Properties of Paleomagnetic Reversal Sequence : Volume 3, Issue 1 (30/11/-0001). Retrieved from http://hawaiilibrary.net/


Description
Description: Department of Geophysics, P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, 23, Krasikova St., 117218. The history of reversals of main geomagnetic field during last 160 My is analyzed as a sequence of events, presented as a point set on the time axis. Different techniques were applied including the method of boxcounting, dispersion counter-scaling, multifractal analysis and examination of attractor behaviour in multidimensional phase space. The existence of a crossover point at time interval 0.5-1.0 My was clearly identified, dividing the whole time range into two subranges with different scaling properties. The long-term subrange is characterized by monofractal dimension 0.88 and by an attractor, whose correlation dimension converges to 1.0, that provides evidence of a deterministic dynamical system in this subrange, similar to most existing dynamo models. In the short-term subrange the fractal dimension estimated by different methods varies from 0.47 to 0.88 and the dimensionality of the attractor is obtained to be about 3.7. These results are discussed in terms of non-linear superposition of processes in the Earth's geospheres.

Summary
Scaling properties of paleomagnetic reversal sequence

 

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