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Slowness (seismology)
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Slowness (seismology) : ウィキペディア英語版
Slowness (seismology)
Slowness (s) is a quantity introduced in Seismology which is the reciprocal of velocity. Thus travel time of a wave is the distance that the wave travels times the slowness of the medium ( in seismology, it refers to different layers of Earth exhibiting different densities)
Thus,
Slowness = 1/Velocity
If we divide the path followed by the ray into N segments numbered i = 1, 2 .. N the total travel time of the wave is
\Gamma = \sum_^ s_ \Delta x_
Therefore, the residual travel time is due to departures in slowness experienced by the wave along the raypath.
== References ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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