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Ring current particle distributions during the magnetic storms of 16-18 December 1971In an effort to summarize the constrasting development of the stormtime ring currents during the December 16-18, 1971 magnetic storms, maps were drawn indicating the proton energy density spatial/temporal distributions. The maps contain distributions for the 5 to 138 keV protons for each of seven orbits. The first storm was not characteristic of a single substorm nor a fully developed magnetic storm, but it was comprised of a sudden commencement, a positive phase, and multiple substorms producing a small depression in the magnetic field. The second storm was classical in development with a short two hour growth phase. Energy density distribution constrasts for the two storms show the second storm displayed three dominant features over the first storm. They were: (1) the intensities were 2 1/2 times larger, (2) the depths of penetration were 1/2 to 1 Reynolds number lower, and (3) the distribution became symmetric.
Document ID
19720020720
Acquisition Source
Legacy CDMS
Document Type
Preprint (Draft being sent to journal)
Authors
Smith, P. H. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hoffman, R. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 2, 2013
Publication Date
July 1, 1972
Subject Category
Geophysics
Report/Patent Number
NASA-TM-X-65962
X-646-72-241
Accession Number
72N28370
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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