Ch18_Streams

Ch18_Streams - Streams: Chapter18 bayous...

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Streams: Transport to the Oceans   Chapter 18
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Streams -- all bodies of flowing water,  “bayous”(?) Rivers  -- those “bigger” bodies of flowing  water,e.g. Mississippi River
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Why is it dangerous to row across the  Mississippi? shearing STREAM FLOW ~100 feet
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Turbulent Flow Particles have paths that are no longer straight or  gently curved (laminar flow) Particle paths cross each other Turbulence occurs best when the fluid is of low viscosity  and fast moving
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In water, turbulence begins when the velocity becomes  too high Shallow,  slow,  laminar  flow slow FASTER Away from the edges, where is the water more turbulent along  the surface of river? Where is the velocity highest?
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What are the consequences of Turbulent vs.  Laminar Flow in Earth Science?? Laminar flow  can lift and carry only the smallest and lightest  of clay particles, that are not stuck together. Turbulent flow :  can move clay, pebbles and cobble stones can pick up a sand particle for a little way and then drop it  (saltation)
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This note was uploaded on 01/08/2012 for the course GEOLOGY 1001 taught by Professor Danielkelley during the Spring '10 term at LSU.

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Ch18_Streams - Streams: Chapter18 bayous...

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