Water
A steep density gradient in a body of water can have the effect of trapping energy and preventing convection, such a gradient is employed in solar ponds. In the case of salt water, sharp gradients can lead to stratification of different concentrations of salinity. This is called a Halocline.
Read more about this topic: Density Gradient
Famous quotes containing the word water:
“Not all the water in the rough rude sea
Can wash the balm off from an anointed king;
The breath of worldly men cannot depose
The deputy elected by the Lord.”
—William Shakespeare (1564–1616)
“If water is too clear, it will not contain fish; people who are too cautious will never gain wisdom.”
—Chinese proverb.
“A spring,
A pool among the rock
If there were the sound of water only”
—T.S. (Thomas Stearns)
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