articleOceanographyMar 1, 2013GOLD OA

Closure of the Global Overturning Circulation Through the Indian, Pacific, and Southern Oceans: Schematics and Transports

LDLynne D. Talley
Indexed incrossrefdoaj

Abstract

The overturning pathways for the surface-ventilated North Atlantic Deep Water (NADW) and Antarctic Bottom Water (AABW) and the diffusively formed Indian Deep Water (IDW) and Pacific Deep Water (PDW) are intertwined. The global overturning circulation (GOC) includes both large wind-driven upwelling in the Southern Ocean and important internal diapycnal transformation in the deep Indian and Pacific Oceans. All three northern-source Deep Waters (NADW, IDW, PDW) move southward and upwell in the Southern Ocean. AABW is produced from the denser, salty NADW and a portion of the lighter, low oxygen IDW/PDW that upwells above and north of NADW. The remaining upwelled IDW/PDW stays near the surface, moving into the…

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Topics
Keywords
  • Circulation (fluid dynamics)
  • Closure (psychology)
  • Climatology
  • Oceanography
  • Schematic
  • Geology
  • Environmental science
  • Political science
UN Sustainable Development Goals
  • Life below water
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