Variations With a Period of Two Solar Cycles in the Cosmic-Ray Diurnal Anisotropy and The Superposed Variations Correlated With Magnetic Activity

  1. James A. Van Allen
  1. Scott E. Forbush

Published Online: 20 MAR 2013

DOI: 10.1029/SP037p0421

Cosmic Rays, the Sun and Geomagnetism: The Works of Scott E. Forbush

Cosmic Rays, the Sun and Geomagnetism: The Works of Scott E. Forbush

How to Cite

Forbush, S. E. (1993) Variations With a Period of Two Solar Cycles in the Cosmic-Ray Diurnal Anisotropy and The Superposed Variations Correlated With Magnetic Activity, in Cosmic Rays, the Sun and Geomagnetism: The Works of Scott E. Forbush (ed J. A. Van Allen), American Geophysical Union, Washington, D. C.. doi: 10.1029/SP037p0421

Author Information

  1. Department of Terrestrial Magnetism Carnegie Institution Of Washington, Washington, D.C. 20015

Publication History

  1. Published Online: 20 MAR 2013
  2. Published Print: 1 JAN 1993

ISBN Information

Print ISBN: 9780875908335

Online ISBN: 9781118667996

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Keywords:

  • Cosmis ray variations;
  • Solar activity;
  • Geomagnetism

Summary

This chapter contains sections titled:

  • Introduction

  • Normalization and Comparison of the Variability of Annual Means of the Diurnal Variation At Three Stations

  • The 20-Year Wave in the Diurnal Anisotropy and Statistical procedures foR Determining the Superposed Variations Associated with Magnetic Activity

  • The Diurnal Anisotropy with The 20-Year Wave Removed and its Dependence On Magnetic Activity

  • The Diurnal Anisotropy with W Removed: (A) Corrected for Magnetic Activity and (B) The 0-Hour and 18-Hour Asymptotic Components and the Average Solor Cycle Variation in These.

  • Comparison of the Diurnal Anisotropy from the Ion Chamber with that from Simpson's IGY Neutron Monitor at Huancayo and the Diurnal Atmospheric Temperature Effect

  • Summary