shear instabilities – Adventures in Oceanography and Teaching

Spin down — lots of shear instabilities in our tank!

mglessmer — Fri, 30 Aug 2019 17:01:58 +0000

When you stop a rotating tank, lots of stuff happens and it is usually very impressive to watch. Sometimes we stop tanks on purpose to show for example the development of Ekman layers, but sometimes we are just done with an experiment and then get to see cool stuff to see just as part of […]

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Kelvin-Helmholtz instabilities

mglessmer — Wed, 15 Aug 2018 18:08:26 +0000

I’m back at my happy place — the teaching lab at GFI in Bergen! :-) Here a quick look at what we’ve been doing today: Filling the large wave tank! With clear fresh water and then salty pink water that forms a layer below. As the pink water flows underneath the clear water, there is […]

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Shear flow

mglessmer — Wed, 10 Jun 2015 09:20:14 +0000

Another early morning crossing this bridge. And the current and the sun glint were perfect for this kind of photos:They almost look like schlieren photography images in those super old papers, don’t they? And I find it extremely fascinating how you can see the boundary layer between the flow and the stagnant water, and how wind […]

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