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EXPANSION THERMIQUE OCEANS [1 record]

Record 1 2010-12-01

English

Subject field(s)
  • Oceanography
  • Geophysics
DEF

At constant mass, the volume of the oceans, and thus sea level, will vary with changes in the density of sea-water. Density is inversely related to temperature.

OBS

Thus, as the oceans warm, density decreases and the oceans expand. In order to estimate oceanic expansion (past or future), changes in the interior temperature, salinity, and density of the oceans have to be considered, either empirically or by models.

French

Domaine(s)
  • Océanographie
  • Géophysique
DEF

Augmentation du volume et diminution de la densité des océans provoquées par un réchauffement de l'eau.

CONT

La fonte de glace océanique serait sans effet sur le niveau des océans, que seule une fonte de glace terrestre peut relever. [...] Le niveau de la mer pourrait également s'élever par dilatation thermique des océans.

OBS

La dilatation thermique des océans entraîne une élévation du niveau de la mer.

OBS

Ne pas confondre la notion générique de dilatation des océans et celle plus spécifique de dilatation thermique des océans.

Spanish

Campo(s) temático(s)
  • Oceanografía
  • Geofísica
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