The Morphology of Ionospheric F-Region Storms at Middle and Low Latitudes.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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The dependence of the onset time of the F-region electron density disturbance upon the local time of the geomagnetic storm commencement and main phase onset was investigated. Hourly value of the fractional deviations of foF2 from monthly median values at a world-wide network of ionosonde stations were examined during 29 geomagnetic storms occurring between July 1957 and December 1964 with main phase onset time lags of more than 2 hours and K-indices at Fredericksburg of t or greater. The relationship between the relative equatorial electrojet strength and the time rate of change of foF2 above Huancayo was investigated during eight geomagnetic storms. The structural morphology of the equatorial anomaly during two geomagnetic storms was also investigated. Author
- Atmospheric Physics