TERMIUM Plus®

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GROUND-ROLL [1 record]

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Alphabetical list of terms

Record 1 1998-08-10

English

Subject field(s)
  • Vulcanology and Seismology
  • Geophysics
  • Paleontology
DEF

Surface-wave energy which travels along or near the surface of the ground. Usually characterized by relatively low velocity and low frequency but high amplitude. Ground roll tends to mask desired signals.

French

Domaine(s)
  • Volcanologie et sismologie
  • Géophysique
  • Paléontologie
DEF

Onde superficielle provoquée par les tirs sismiques et perturbant les enregistrements.

CONT

Le bruit sismique comprend les parasites dus aux ondes de surface et aux ondes transversales (ground-roll).

OBS

On pense que les ondes de Rayleigh constituent le principal composant du ground-roll.

Key term(s)
  • onde parasite superficielle

Spanish

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