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Reassessment of source parameters for three major earthquakes in the East African rift system from historical seismograms and bulletins
parameters major earthquakes
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2015/9/30
Source parameters for three majo earthquakes in the East African rift are re-computed from historical seismograms and bulletins. The main shock and the largest foreshock of the August 25, 1906 earthqu...
Morphology of F-region vertical E×B drifts in the African sector using ionosonde measurements
equatorial F-region ionospheric variability ionospheric modelling ionosonde observations ionospheric dynamics
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2015/9/2
F-region vertical velocities are derived from the ground-based ionosonde data for Ibadan (7.4°N, 3.9°E; dip 6°S:
an equatorial station in the African zone), to study the general characteristics of el...
Introduction of new data into the South African Ionospheric Map to improve the estimation of F2 layer parameters
South African Ionospheric Map (SAIM) F2 layer critical frequency (foF2)
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2015/8/14
In this paper the South African Ionospheric Map (SAIM) is upgraded with the usage of recent International Reference Ionosphere (IRI)-2012 model and South African Bottomside Model (SABIM) version 5 and...