There are experimental field programs, making microstructure measurements and trying to understand the basic physics of small scale mixing processes, such as the interaction of circulation with topography. So there is clearly a lot of basic research that needs to be done. This problem will never go away completely. We have tried to close turbulence theory for quite some time and we will keep doing that for quite some time more. We are still building a knowledge base of how these small-scale processes work, how they affect the diffusion and transport of heat, fresh water and salt in the oceans.
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