An association between sporadic-E and the earth's magnetic field

Goodwin G.L. (1965) An association between sporadic-E and the earth's magnetic field. Journal of Atmospheric and Terrestrial Physics, 27 4: 535-541.

Author Goodwin G.L.
Title An association between sporadic-E and the earth's magnetic field
Journal name Journal of Atmospheric and Terrestrial Physics
ISSN 0021-9169
Publication date 1965-01-01
Sub-type Article (original research)
Volume 27
Issue 4
Start page 535
End page 541
Total pages 7
Subject 1902 Film, Television and Digital Media
1908 Geophysics
Abstract A positive correlation was found between changes, over short time intervals ≈15 min, hi the horizontal component (H) of the earth's magnetic field near Brisbane, and in the amplitude of direct backscatter (Esφ) echoes from the constant-height sporadic-E (Esc) region some 150 km away. Esφ echo amplitudes and the occurrence of Esc echoes at vertical incidence were found to be positively correlated. These observations suggest a positive correlation between changes in H and in occurrence of vertical incidence Esc echoes, which is consistent with Whitehead's wind shear theory for the production of temperate zone sporadic-E. In contrast, Wilkie and McNicol (1962) reported a negative correlation between observations, at the same site, of H and sporadic-E occurrence over long time intervals ≈ 6 hr. The latter results are consistent with Cole's (1963) mechanism of Es layer formation.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 14 Jun 2016, 15:51:04 EST by System User