Computer Science – Sound
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....87.5901w&link_type=abstract
Journal of Geophysical Research, vol. 87, Aug. 1, 1982, p. 5901-5910. Research sponsored by the U.S. Department of Energy; Bund
Computer Science
Sound
91
Compression Waves, Magnetohydrodynamic Waves, Magnetospheric Instability, Satellite Sounding, Shock Wave Propagation, Sudden Storm Commencements, Energetic Particles, Magnetic Signatures, Magnetospheric Electron Density, Magnetospheric Ion Density, Propagation Velocity, Satellite Transmission, Shock Wave Interaction
Scientific paper
At 0027 UT on July 29, 1977 an interplanetary shock wave arrived at the front side magnetosphere and triggered substantial geomagnetic activity throughout the day. The propagation of the resulting MHD wave within the magnetosphere has been studied with measurements from a total of six satellites in (or near) the geostationary orbit and the interplanetary space and groundbased magnetometers. The signal transmission from the front side magnetopause down to the equatorial ionosphere corresponded to an average wave speed of v equals 600 km/sec. A propagation speed of v equals 90 km/sec was found for the signal transmission in the outer magnetosphere in and beyond the geostationary altitude. The results compared reasonably well with model calculations.
Baker Daniel N.
Fritz Teresa A.
Goertz Christoph K.
Higbie Paul R.
Wilken Berend
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