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Mathematical Modeling of Earth's Dynamical Systems by Rudy Slingerland, Lee Kump

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CHAPTER6

Advection-Dominated Problems

 

In this chapter, we consider another common process that transports mass and momentum into and out of geological reservoirs—passive transport by the motion of a medium such as water or air. The transport of a conserved property by a fluid in motion is called advection or convection. Although the terms are often used synonymously, convection is understood in some disciplines to mean the total transport of a substance by both diffusive and advective processes, whereas in others it is the transport of a substance by combined molecular and eddy diffusion as opposed to macroscopic fluid flow. Yet other disciplines such as ocean and atmospheric sciences think of advection as a transport mechanism associated ...

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