bottom water

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bottom water

[′bäd·əm ‚wȯd·ər]
(hydrology)
Water lying beneath oil or gas in productive formations.
(oceanography)
The water mass at the deepest part of a water column in the ocean.
References in periodicals archive ?
Since the greenhouse effect could alter the amount of Antarctic bottom water supplied to the world's oceans, expedition researchers will also try to determine the rate at which bottom water leaves the Weddell.
In every oceanographic survey repeated around the Southern Ocean since about the 1980s, Antarctic Bottom Water has been shrinking at a similar mean rate, giving us confidence that this surprisingly large contraction is robust," said lead author of the study Sarah Purkey, a graduate student at the University of Washington in Seattle.
We know that Antarctic Bottom Water is formed at very high latitudes in the southern oceans and spreads northward, passing through the Brazil Basin into the North Atlantic.
Along with colleagues, Marinov used models to discern whether the shrinking of the Antarctic Bottom Waters could be attributed to anthropogenic climate change.