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VLF observation of long ionospheric recovery events
Author(s) -
Cotts Benjamin R. T.,
Inan Umran S.
Publication year - 2007
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2007gl030094
Subject(s) - ionosphere , lightning (connector) , electron precipitation , event (particle physics) , ionization , precipitation , physics , geophysics , meteorology , atmospheric sciences , astrophysics , plasma , magnetosphere , nuclear physics , ion , power (physics) , quantum mechanics
We introduce a new class of Early/fast VLF events with recoveries of up to 20 min, much longer than typical Early/fast and Lightning‐induced Electron Precipitation (LEP) events which recover to pre‐event levels in ≲200 s. Three distinct types of long recovery events are observed, each exhibiting different characteristics, with the observed features of at least some of the event types consistent with the possibility of persistent ionization at altitudes below 60 km as put forth by Lehtinen and Inan (2007).