Questions tagged [eddies]

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What timescales do eddies operate at in the planetary boundary layer?

What are the largest eddies within the planetary boundary layer? What timescales do the operate on? Edit: I'm talking about atmospheric eddies over land. So, eddies that are measured in [eddy ...
8
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0answers
247 views

What are black-hole ocean eddies?

How are they formed? Why are they so stable? What finally breaks them apart and what is their typical lifespan? Why are fluid particles trapped inside it and advected towards the center? How do they ...
12
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2answers
2k views

Intuitive definition of the Monin-Obukhov length?

The Monin-Obukhov length (L) is defined as: $$L = - \frac{\rho C_p T_v u^3_*}{kgH}$$ where $\rho$=moist air density; $C_p$=air specific heat capacity; $T_v$=virtual temperature; $u^3_*$=wind ...
14
votes
1answer
2k views

About meddies: what are they? How do they form? How are they maintained?

A "meddy" is usually described as a Mediterranean Water eddy. While many meddies have been observed in recent years, I would want to know what are the common characteristics of such features (...
4
votes
0answers
84 views

How do mesoscale eddies in the ocean transport heat between different layers of the ocean?

And the atmosphere as well? This is a follow-up question to https://www.quora.com/What-else-has-been-left-out-of-climatology/answer/Konstantin-Zahariev?&share=1