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Quantitative comparisons of type III radio burst intensity and fast electron flux at 1 AUWe compare the flux of fast solar electrons and the intensity of the type III radio emission generated by these particles at 1 AU. We find that there are two regimes in the generation of type III radiation: one where the radio intensity is linearly proportional to the electron flux, and the second regime, which occurs above a threshold electron flux, where the radio intensity is proportional to the approximately 2.4 power of the electron flux. This threshold appears to reflect a transition to a different emission mechanism.
Document ID
Document Type
Reprint (Version printed in journal)
External Source(s)
Fitzenreiter, R. J.
(NASA Goddard Space Flight Center Radio Astronomy Branch, Greenbelt, Md., United States)
Evans, L. G.
(Computer Sciences Corp. Silver Spring, Md., United States)
Lin, R. P.
(California, University Berkeley, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
February 1, 1976
Publication Information
Publication: Solar Physics
Volume: 46
Subject Category
Solar Physics
Accession Number
Funding Number(s)
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