Deep sections through the South Australian Basin and across the Australian-Antarctic discordance

Details Deep sections through the South Australian Basin and across the Australian-Antarctic discordance Deep sections through the South Australian Basin and across the Australian-Antarctic discordance

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.2785s&link_type=abstract

Geophysical Research Letters, Volume 24, Issue 22, p. 2785-2788

Physics

3

Oceanography: Physical: General Circulation, Oceanography: Physical: Fronts And Jets, Oceanography: General: Water Masses, Oceanography: General: Descriptive And Regional Oceanography

Scientific paper

Fronts and water masses in the Australian Basin are described, based on three sections made by R/V Franklin during 1994 as part of the WOCE One-time Hydrographic Survey. The Subtropical Front is found closer to the Australian continent than previously thought. Convection of Subantarctic Mode Water is seen to reach 700 m depth. A locally formed variety of Antarctic Intermediate Water with a temperature near 6°C is found near 120°E. Antarctic Bottom Water enters the Indian Ocean through the Discordance at 125°37'E and 127°E but not at 120°E, where the deep passage seen in the topography may be closed for Bottom Water inflow.

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