ON THE MECHANISM OF GEOMAGNETIC EFFECTS OF MAJOR EXPLOSIONS,

Abstract

There is presented a brief survey of proposed mechanisms of geomagnetic effects of nuclear explosions. On the basis of similarity of effects between nuclear explosions and explosion of the Tungus meteorite in 1908 there is expressed a hypothesis on the similarity of mechanisms even for qualitatively different explosions. There is proposed the following mechanism of geomagnetic effect of nuclear explosions. Immediately after explosion over an area with a radius of 3,000 to 4,000 km., there develops a heightened ionization which creates possibilities favorable for the propagation of hydromagnetic impulse. First phase of perturbation is caused by this impulse. Second or main phase is caused by the action of the shock wave. Lowering of the field and its subsequent-restoration are associated with displacement of currents with respect to the observation stations and their gradual damping. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 24, 1964
Accession Number
AD0602401

Entities

People

  • A. F. Kovalevskii

Organizations

  • National Air and Space Intelligence Center

Tags

DTIC Thesaurus Topics

  • Displacement
  • Explosions
  • Ionization
  • Meteorites
  • Nuclear Explosions
  • Observation
  • Perturbations
  • Shock
  • Shock Waves
  • Waves

Fields of Study

  • Environmental science

Readers

  • Plasma Physics / Magnetohydrodynamics
  • Strategic Security Studies
  • Underwater engineering and Marine Technology.