1887
Volume 19, Issue 1-2
  • ISSN: 0812-3985
  • E-ISSN: 1834-7533

Abstract

It has been recognised for a long time groundroll has an elliptical, vertically polarised particle motion. Body waves have a rectilinear particle motion. Interference between bodywaves can result in an elliptical type motion. Particle motion records provide a means of identifying these seismic waves and understanding the result of their interference upon particle motion. This is useful when assessing the results of filter techniques based upon either the ellipticity, or phase difference between components, of groundroll motion.

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/content/journals/10.1071/EG988281
1988-03-01
2026-01-13
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References

  1. Angerer, R. H., Berrong, B. H., Long, A. T. & Gassaway, G. S. (1987)—‘Omniphone polarization filtering: an effective way of removing groundroll without geophone arrays’; Mid-West Meeting Abstract, Geophysics52(5), 705.
  2. Dobrin, M. B. (1951)—‘Rayleigh waves from small explosions’, Transactions of the American Geophysical Union32(6), 822–832.
  3. Flinn, E. A. (1965)—‘Signal analysis using rectilinearity and direction of particle motion’, Proceedings of the IEEE, 53, 1874–1876.
  4. Heath, D. H. & Evans, B. J. (1987)—‘The development and application of a down-hole triaxial tool for the analysis of seismic waves’, Exploration Geophysics18(1/2), 85–88.
  5. Lamb, H. (1904)—‘On the propagation of tremors over the surface of an elastic solid’, Philosophical Transactions of the Royal Society of London203, 1–42.
  6. Rene, R. M. et al. (1986)—‘Multicomponent seismic studies using complex trace analysis’, Geophysics51, 1235–1251.
  7. Simons, R. S. (1968)—‘A surface wave particle motion discrimination process’, Bull of the Seismological Society of America58(2), 629–637.
/content/journals/10.1071/EG988281
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  • Article Type: Research Article

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