Space Science Reviews

, Volume 155, Issue 1–4, pp 387–410 | Cite as

Magnetic Polarity Transitions and Biospheric Effects

Historical Perspective and Current Developments
Article

Abstract

This review addresses possible biospheric effects of geomagnetic polarity transitions. During a transition the magnetic field at the surface of the Earth decreases to about 10% of its current value. If the geomagnetic field is a shield against energetic particles of solar or cosmic origin then biospheric effects can be expected. We review the early speculations on the problem and discuss in more detail its current status. We conclude that no clear picture of a geomagnetic link, a causal relation between secular magnetic field variations and the evolution of life on our planet can be drawn.

Keywords

Geomagnetic field Life Biosphere Magnetosphere 

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© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Institut für Geophysik und extraterrestrische PhysikTechnische Universität BraunschweigBraunschweigGermany
  2. 2.School of Engineering and ScienceJacobs University BremenBremenGermany

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