Physics
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.6787c&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, Aug. 1, 1984, p. 6787-6792. Research supported by the U.S. Defense Nu
Physics
F Region, Ionospheric Drift, Plasma Clouds, Space Plasmas, Electric Fields, Plasma Density, Striation
Scientific paper
The morphology of a finite array of plasma density enhancements (multiple plasma clouds) in the ionosphere is studied in order to determine the condition under which the system undergoes a quasi-steady state E x B drift. In such a system the polarization-induced self-electric field inside all the plasma clouds must be essentially equal and uniform. The method of image dipoles previously developed for multiple equatorial spread F bubbles is used to calculate the instantaneous electric field exactly. It is found that even for small separation distances for which the intercloud interaction is significant, the electric field remains nearly uniform both internally and from cloud to cloud for typical ionospheric plasma cloud parameters, so that the multiple plasma clouds drift in unison without changing their geometrical shapes. This constitutes a quasi-steady state configuration. The implications to the behavior of late time plasma cloud striations are discussed.
Chen Jiahua
Ossakow S. L.
Satyanarayana P.
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