Accession Number:

ADA165131

Title:

Geomagnetic Disturbances.

Descriptive Note:

Final rept. 1 Sep 75-30 Sep 85,

Corporate Author:

STANFORD UNIV CA CENTER FOR SPACE SCIENCE AND ASTROPHYSICS

Personal Author(s):

Report Date:

1986-01-01

Pagination or Media Count:

44.0

Abstract:

Recent efforts include the study of the solar dynamics by directly observing the surface manifestations of giant scale convective motions. A knowledge of the structure of the convective zone is crucial to the eventual understanding of the solar magnetic cycle. The origin and structure of coronal magnetic fields and the origin of solar wind variability are studied. The static structure of the corona is governed by the large scale organization of photospheric fields. During times of low activity, these fields can be used to infer the coronal structure with reasonable accuracy. Our synoptic series of high accuracy low resolution magnetic observations continues to provide a useful source for a number of investigations conducted at Stanford and elsewhere. The relation between the effects of transient events and the large scale ambient structure is investigated. Flare accelerated material that does not cross the heliospheric current sheet has a larger impact on the terrestrial environment than material from flares that must cross the current sheet to arrive at the earth.

Subject Categories:

  • Astrophysics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE