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MAIN PYCNOCLINE [1 record]

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Record 1 2020-05-01

English

Subject field(s)
  • Hydrology and Hydrography
  • Oceanography
CONT

Whereas the seasonal pycnocline disappears every winter, the permanent pycnocline is always present in [the subpolar regions]. The vertical density gradient in the main pycnocline is very strong, and the turbulence within the upper mixed layer induced by the air-sea exchanges of wind and heat cannot overcome the great stability of the main pycnocline to penetrate into the deeper ocean. The stability of the main pycnocline acts as a barrier against turbulent mixing processes, and beneath this depth the water has not had contact with the surface for a very long time.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Océanographie
CONT

La pycnocline permanente délimite un important réservoir de chaleur et joue un rôle majeur en empêchant la chaleur accumulée en surface d'atteindre les profondeurs de l'océan.

Spanish

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