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:
“it
was my first doll that water went
into and water came out of much
earlier it was the diaper I wore
and the dirt thereof and my
mother hating me for it”
—Anne Sexton (1928–1974)
“If you keep your feathers well oiled the water of criticism will run off as from a duck’s back.”
—Ellen Henrietta Swallow Richards (1842–1911)
“A single monk carries his own bucket of water; two monks carry their bucket of water together; but when there are three monks, there is no water at all.”
—Chinese proverb.