water mass
identifiable body of water with a common formation history which has physical properties distinct from surrounding water
Circumpolar deep water
water mass in the Pacific and Indian oceans formed by mixing of other water masses in the region
Subantarctic Mode Water
water mass formed near the Subantarctic Front on the northern flank of the Antarctic Circumpolar Current
Antarctic Bottom Water
cold, dense, water mass originating in the Southern Ocean surrounding Antarctica
North Pacific Intermediate Water
cold, moderately low salinity water mass that originates between the Kuroshio and Oyashio waters just east of Japan
North Atlantic Deep Water
deep water mass formed in the North Atlantic Ocean
Antarctic Intermediate Water
cold, relatively low salinity water mass found mostly at intermediate depths in the Southern Ocean
Weddell Sea Bottom Water
subset of Antarctic Bottom Water mass that is at −0.7 °C or colder