Figure F5. Water masses, fronts, and circulation patterns that characterize the southwest Pacific section of the Southern Ocean (after Tomzcak and Godfrey, 1994). STF = Subtropical Front, SAF = Subantarctic Front, AAPF = Antarctic Polar Front, AAD = Antarctic Divergence, CDW = Circumpolar Deep Water, STW = Subtropical Water, SAW = Subantarctic Water, CSW = Circumpolar Surface Water, AASW = Antarctic Surface Water.