One of the mysteries of the English language finally explained.
One of several alternating columns of rising and descending water produced when a layer of water is overlain by a denser, saltier layer.
- ‘The evolution of a salt finger from initial instability to a fully developed feature is difficult to follow in a fluid because of the close-packed array of cells that is formed.’
- ‘Since the discovery of salt fingers by Stern in 1960, there has been much speculation about their role in oceanic mixing.’
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