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La exportación persistente de 231Pa desde las profundidades centrales del Océano Ártico durante los últimos 35.000
Sharon S Hoffmann1, Jerry F McManus, William B Curry
1Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York 10964, USA. ssh13@columbia.edu
Nature
|May 31, 2013
Resumen
El Océano Ártico intercambia continuamente aguas profundas con el Océano Atlántico, como lo demuestran las proporciones de radionúclidos en los sedimentos. Este hallazgo sugiere una contribución persistente del Ártico a la circulación oceánica global en los últimos 35.000 años.
Área de la Ciencia:
- La paleoceanografía es la paleoceanografía.
- Ciencias del clima Ciencias del clima Ciencias del clima Ciencias del clima
- La geoquímica es la geoquímica.
Sus antecedentes:
- El Océano Ártico influye significativamente en el clima de la Tierra a través de procesos de superficie y aguas profundas.
- Comprender su historia paleoceanográfica es clave para comprender su papel en el cambio climático pasado y futuro.
- La circulación termohalina se basa en la producción y exportación de aguas profundas del Ártico.
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