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ONDE SUPERFICIELLE [3 records]

Record 1 2003-12-16

English

Subject field(s)
  • Vulcanology and Seismology
DEF

A seismic wave that travels along the surface of the Earth, or along a subsurface interface. Surface waves include Rayleigh wave, Love wave, and the coupled wave.

OBS

surface wave; L wave: term(s) extracted from the "Disarmament and Peace Keeping" glossary with the permission of the United Nations Office at Geneva.

French

Domaine(s)
  • Volcanologie et sismologie
DEF

Onde sismique qui se propage à proximité de la surface de la Terre. On distingue les ondes de Rayleigh et les ondes de Love.

CONT

On distingue deux classes d'ondes en sismologie : les ondes de volume, qui se propagent à l'intérieur de la Terre, et les ondes de surface dont l'énergie est localisée près de la surface de la Terre.

OBS

onde de surface : terme(s) tiré(s) du lexique «Désarmement et Maintien de la Paix» avec l'autorisation de l'Office des Nations Unies à Genève.

Spanish

Campo(s) temático(s)
  • Vulcanología y sismología
DEF

Onda sísmica, lenta, que se propaga paralelamente al suelo.

Save record 1

Record 2 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

Save record 2

Record 3 1976-06-19

English

Subject field(s)
  • Telecommunications

French

Domaine(s)
  • Télécommunications

Spanish

Save record 3

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