The effect of variations of geomagnetic activity changing rate on trunk objects

V. I. Kozlov; V. A. Mullayarov; Yu. M. Grigor’ev

doi:10.1117/12.2205289

19 November 2015 The effect of variations of geomagnetic activity changing rate on trunk objects

V. I. Kozlov, V. A. Mullayarov, Yu. M. Grigor’ev

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96805P (2015) https://doi.org/10.1117/12.2205289
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

The frequency of occurrence of a certain level of the rate of change of geomagnetic activity can be expressed as a power law with an exponent of the order -1.7, and the probability of exceedance of a given level can be expressed by the law lg(P) = -0.0517 (dB / dt) – 0.1946. The largest high-frequency variations are noted during the recovery phase of magnetic bay and correspond to geomagnetic pulsations of the Pc5 range (a period of variations of 200-300 s). On a pipeline on these pulsations other high-frequency variations are imposed and they start earlier – from a maximum of bay of disturbance. It is noted the need of monitoring and forecasting of magnetic storms and recommendations on the allocation of periods, during which one cannot disable protection for preventive works.

Citation Download Citation

V. I. Kozlov, V. A. Mullayarov, and Yu. M. Grigor’ev "The effect of variations of geomagnetic activity changing rate on trunk objects", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96805P (19 November 2015); https://doi.org/10.1117/12.2205289

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