Effects of strong geomagnetic storms on Northern railways in Russia

Details Effects of strong geomagnetic storms on Northern railways in Russia Effects of strong geomagnetic storms on Northern railways in Russia

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010adspr..46.1102e&link_type=abstract

Advances in Space Research, Volume 46, Issue 9, p. 1102-1110.

Physics

Scientific paper

Seventeen severe magnetic storms occurred in the period 2000 through 2005. In addition there was a major magnetic storm in March 1989. During each of these storms there was an anomaly in the operation of the system of Signalization, Centralization and Blockage (SCB) in some divisions of the high-latitude (˜58 to 64°N) Russian railways. This anomaly was revealed as false traffic light signals about the occupation of the railways. These signals on the Northern railways appeared exactly during the main phases of the strongest part of the geomagnetic storms characterized by high geomagnetic indices Dst and Kp (Ap). Moreover, the durations of these anomalies coincided with the period of the greatest geomagnetic disturbances in a given event. Geomagnetically induced currents (GICs) during significant strengthening of geomagnetic activity are concluded as the obvious reasons for such kind of anomalies.

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