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A wave-induced transport process in marine sediments.

  • Author(s): Harrison, WD
  • Musgrave, D
  • Reeburgh, WS
  • et al.
Abstract

Shows how surface wave action can increase the rate of transport of solutes into a sandy seabed by orders of magnitude via a mechanism known as mechanical dispersion. It is most effective for large sediment permeability and thickness, high surface wave amplitude, and shallow water. A method for setting up the appropriate transport equation, valid when dispersion is well developed, is given. The effect of surface wave action on transport into sediments on the eastern US shelf is shown to be significant under certain conditions. The effect on thawing of subsea permafrost beneath Prudhoe Bay, Alaska, seems negligible. -from Authors

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