NOTE ON LOW-LEVEL GEOMAGNETIC RING-CURRENT EFFECTS

Journal Article · Sun Sep 01 04:00:00 EDT 1963 · Journal of Geophysical Research (U.S.)

DOI:https://doi.org/10.1029/JZ068i017p04897· OSTI ID:4629901

Vestine, E H

Various measurements of the intensity of radiation within the inner Van Allen belt have indicated little possibility that the equatorial magnetic field of the belt should exceed 0.5 gamma . The 12-year means of geomagnetic disturbance data show an equatorial latitude variation, which could arise from a transient equatorial ring current at a height within the outer reaches of the inner belt. This small transient equatorial ring current may be introduced to suitable equatorial heights by downward expansion of a higher ring current present during magnetic storms. This possibility would be susceptible of experimental check. Another possibility is increased westward current flow within the equatorial ionosphere or enhanced compression of the equatorial magnetosphere during storm days. (auth)

• Research Organization: RAND Corp., Santa Monica, Calif.
• Sponsoring Organization: USDOE
• NSA Number: NSA-17-037897
• OSTI ID: 4629901
• Journal Information: Journal of Geophysical Research (U.S.), Journal Name: Journal of Geophysical Research (U.S.) Vol. Vol: 68; ISSN JGREA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

CIRCUITS
CURRENTS
DISTURBANCES
EARTH
GEOPHYSICS
IONOSPHERE
LEVELS
MAGNETIC FIELDS
PHYSICS
RADIATION BELTS
SPACE
TURBULENCE