GEOF213 Archives - Adventures in Oceanography and Teaching

Need your help! “Wish list” for a student lab for tank experiments?

January 5, 2019

I’d love your input: If your student lab for GFD tank experiments had to downsize, but you had to present a “wish list” for a smaller replacement, what would be…

Lee waves with an asymmetrical “mountain”

October 25, 2018

How will lee waves look differently if we are using the asymmetrical mountain instead of the symmetric one? And is symmetry actually important at all or are we just looking…

Instructions: Dead water demonstration in the GFI basement

October 25, 2018

This blog post is meant as guidelines if someone other than me might have to set up this demonstration at some point… Have fun! :-) Setting up the stratification If…

Instructions: Lee wave demonstration in the GFI basement

October 24, 2018

This blog post is meant as guideline if someone other than me might have to set up this demonstration at some point… Have fun! :-) Lee waves Lee waves are…

Please discuss: Experimental setup for Nansen’s “dead water”

October 9, 2018

During my last visit to Bergen in August, we set up a nice “dead water” experiment. However, there are nice experiments, and then there are awesome experiments, and since Elin…

Tides themselves don’t induce (a lot of) mixing, only tides hitting topography do. An experiment.

August 17, 2018

As you might have noticed, the last couple of days I have been super excited to play with the large tanks at GFI in Bergen. But then there are also…

Waves in a density stratification. One of the most beautiful tank experiments I’ve ever seen.

August 16, 2018

It’s pretty impressive when a mountain moves through a stratification and generates lee waves. But what I find even more impressive: The waves that travel behind the mountain when the…

Tank experiment: Lee waves in a fancy density (and dye) stratification

August 16, 2018

Did you seriously think we’d stop tank experiments with only 2-layer systems? Nooo! Today, the plan was to set up a continuous stratification, which I have been planning to do…

The one where it would help to understand the theory better (but still: awesome tank experiment!)

August 16, 2018

The main reason why we went to all the trouble of setting up a quasi-continuous stratification to pull our mountain through instead of sticking to the 2 layer system we…

Dead water — the fancy experiment including Nansen himself

August 16, 2018

Now that we do have a really awesome 12-layer 6-color stratification, we obviously had to do the dead water experiment again. This time we chose to include a not-too-happy-looking Nansen…

“Dead water” or: ship-generated internal waves

August 16, 2018

And here is another experiment that can be done with the same stratification as the lee waves: Towing a ship to explore the phenomenon of “dead water”! Dead water is…

Lee waves in the tank

August 15, 2018

Did you guess what we needed the stratification for? Yes — we are moving mountains again! :-) What we want to look at: How a current reacts to an obstacle…

Kelvin-Helmholtz instabilities

August 15, 2018

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!…

Tag: GEOF213

Need your help! “Wish list” for a student lab for tank experiments?

Lee waves with an asymmetrical “mountain”

Instructions: Dead water demonstration in the GFI basement

Instructions: Lee wave demonstration in the GFI basement

Please discuss: Experimental setup for Nansen’s “dead water”

Tides themselves don’t induce (a lot of) mixing, only tides hitting topography do. An experiment.

Waves in a density stratification. One of the most beautiful tank experiments I’ve ever seen.

Tank experiment: Lee waves in a fancy density (and dye) stratification

The one where it would help to understand the theory better (but still: awesome tank experiment!)

Dead water — the fancy experiment including Nansen himself

“Dead water” or: ship-generated internal waves

Lee waves in the tank

Kelvin-Helmholtz instabilities

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