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The surface of the oceans is warming, but there must be lots of cold water in the depths. Couldn’t we just stick a giant egg whisk down there and stir things up a bit to solve the warming problem?
Eric Kvaalen
Les Essarts-le-Roi, France
The cold water at depth is denser than the warm water higher up, and therefore it requires energy to mix the layers. If you bring cold water up using energy, it will then fall right back down to the depths unless it is mixed with warm water. Obviously, to have a noticeable effect, it would require…
