Modelling the ionospheric disturbance caused by an explosion on the ground

Details Modelling the ionospheric disturbance caused by an explosion on the ground Modelling the ionospheric disturbance caused by an explosion on the ground

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985angeo...3..695p&link_type=abstract

Annales Geophysicae (ISSN 0755-0685), vol. 3, Nov.-Dec. 1985, p. 695-703.

Computer Science

Sound

Explosions, F Region, Ionospheric Disturbances, Radio Echoes, Acoustic Velocity, Atmospheric Models, Radio Waves, Velocity Distribution

Scientific paper

Radio fixed-frequency observations of the ionospheric F layer disturbance caused by an explosion on the ground are simulated by computer modelling. At a height of about 280 km the ionospheric medium is lifted about 340 m, then drops back down to its original position, with a Gaussian time scale of about 17 s. Measurement of the 'Phase-height Velocity', V(asterisk), shows that the velocity of sound at this height was about 900 m/s, which is reconciled with a standard sound velocity height profile and the transit time of the disturbance through the E and F layers.

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