TERMIUM Plus®
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WEATHERING CORRECTION [1 record]
Record 1 - internal organization data 1977-11-14
Record 1, English
Record 1, Subject field(s)
- Vulcanology and Seismology
- Geophysics
- Scientific Measurements and Analyses
Record 1, Main entry term, English
- weathering correction
1, record 1, English, weathering%20correction
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
In seismic work, a time correction applied to reflection and refraction data to correct for the travel time of the observed signals in the low-velocity layer, or weathered layer. 1, record 1, English, - weathering%20correction
Record 1, French
Record 1, Domaine(s)
- Volcanologie et sismologie
- Géophysique
- Mesures et analyse (Sciences)
Record 1, Main entry term, French
- correction pour la zone d'altération de surface
1, record 1, French, correction%20pour%20la%20zone%20d%27alt%C3%A9ration%20de%20surface
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
[La] Correction pour la zone d'altération de surface [est un type de correction des temps d'arrivée en prospection sismique.] Cette correction est effectuée parce que la ou les premières couches près de la surface terrestre ne sont pas homogènes. La variation rapide des faibles vitesses sismiques en passant de la zone d'altération de surface à la couche rocheuse sous-jacente, n'est pas associée à des couches altérées dans le sens géologique du terme, mais plutôt à une zone modifiée par certaines conditions atmosphériques, (v.g. le niveau de la table d'eau, une zone d'aération, une zone de lixiviation où la porosité est relativement importante par rapport à celle des couches rocheuses sous-jacentes, des agents climatiques et biochimiques, etc... (...) ). 1, record 1, French, - correction%20pour%20la%20zone%20d%27alt%C3%A9ration%20de%20surface
Record 1, Spanish
Record 1, Textual support, Spanish
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