Fuck Yeah Fluid Dynamics

Celebrating the physics of all that flows. Ask a question, submit a post idea or send an email. You can also follow FYFD on Twitter and Google+. FYFD is written by Nicole Sharp, PhD.

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Even frozen ice moves and flows, though too slowly to see with the naked eye. By combining satellite imagery from NASA, JAXA, CSA, and ESA, researchers were able to map the flow of ice across Antarctica, discovering ice streams (shown in blue and purple above) that can move hundreds of meters a year.  The dynamics of this motion are still poorly understood, with theoretical advances underway. These ice sheets sit atop bedrock that is itself below sea level.  A thin layer of water exists between the ice sheet and the bedrock, acting as a lubricant and allowing the ice to slide against the bedrock. To see animations of Antarctic ice flow, see this compilation film. (Photo credits: E. Rignot/NASA JPL/UC Irvine #; M. J. Hambrey #)

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  24. laaurel reblogged this from accuweather and added:
    THIS IS SO COOL. When I read about ice flowing I always picture it all moving together in one big piece
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