sediment transport – Adventures in Oceanography and Teaching

24 Days of #KitchenOceanography — Transport of substances

mglessmer — Sat, 12 Dec 2020 07:00:37 +0000

Welcome to 24 days of #KitchenOceanography! Both English and German instructions below. Herzlich Willkommen zu 24 Tagen Küchen-Ozeanographie! Deutsche und Englische Anleitungen weiter unten.

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Irregular wave ripples, and some left on the beach when the water is gone

mglessmer — Fri, 29 May 2020 12:05:02 +0000

I’m getting more and more fascinated with wave ripples. I kinda understand how they form, but not enough to be able to explain as much about them as I would like to. For example below: Why is the pattern so different where sand has been washed on top of the shallow stones? Yes, the water […]

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Foam stripes and sand ripples

mglessmer — Fri, 22 May 2020 12:05:30 +0000

So you might have seen my novel on the formation of sand ripples last week, and the tl;dr: I have a vague idea of how sand ripples form, but it’s not as clear to me as I would like. But imagine my delight when, after two days of foam stripes like this one… …there was […]

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Sand ripples. Why do they form in the exact way they do?

mglessmer — Fri, 15 May 2020 12:05:49 +0000

It has been bugging me for a while that on days where there isn’t a lot going on in terms of regular wave watching, I often see ripples in the sand and don’t understand what’s determining their wavelength, their shape, everything about them. So what better use of a quarantine weekend than to browse old […]

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Broken water pipes

mglessmer — Tue, 05 May 2020 12:05:47 +0000

So yesterday this happened: When I was on my way to meet my friend for a run early in the morning, the whole pavement was flooded (look at the cute little hydraulic jumps!). After calling the authorities (and judging from the telephone operator’s voice, I wasn’t the first one! But then how should I know […]

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Watch how sediment is transported with the flow while surface waves above move in the same direction but much faster

mglessmer — Fri, 25 Oct 2019 08:12:33 +0000

When I was on my way down to Kiel fjord earlier this day I was in a bit of a weird mood. I was thinking about how the weather was grey and gloomy. And how that meant that there wouldn’t even be a nice sun raise to take pictures of. And how I might already […]

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