Physics
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....9314649o&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Dec. 1, 1988, p. 14649-14655.
Physics
17
Incoherent Scatter Radar, Ionospheric Propagation, Magnetic Storms, Middle Atmosphere, F Region, Geomagnetism, Phased Arrays, Upper Atmosphere, Yagi Antennas
Scientific paper
The Japanese middle and upper atmosphere radar, a 46.5-MHz, pulse-modulated, monostatic Doppler radar, was used to measure the weak ionospheric incoherent scatter during the strong geomagnetic storm on February 6-8, 1986. Several hours of wave activity were observed, starting near 1800 LT on February 7. It is found that this wave had a wave speed of 410 m/s, traveled in a direction 19 deg west of south, and had horizontal and vertical wavelengths of 2500 and 290-490, respectively. The F layer peak density and height oscillated during this nighttime period. It is suggested that this is due to an influx of ionization from the plasmasphere, and a wave-induced modulation of the assimilation of this plasma flux into the ambient density.
Fukao Shoichiro
Kato Shoji
Oliver William L.
Sato Takeshi
Tsuda Teruhisa
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