Lynne Talley (Scripps Institution of Oceanography)
Subantarctic Mode Water and Antarctic Intermediate Water processes from winter observations in the southeast Pacific and from the Southern Ocean State Estimate
Subantarctic Mode Water (SAMW) and Antarctic Intermediate Water (AAIW) are major water masses of the Southern Hemisphere thermocline, found north of the Subantarctic Front (SAF) of the Antarctic Circumpolar Current in all three oceans. Both are strongly influenced by surface processes just to the north of the SAF. The densest SAMW and lightest AAIW are formed in the southeastern Pacific in the region of deep mixed layers north of the SAF. This talk reviews the multiple publications by co-investigators, postdocs and graduate students resulting from winter 2005 and summer 2006 observations, as well as circumpolar analysis of the Southern Ocean State Estimate (SOSE) for years 2005-2006.