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Preferential Flow |
  
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Preferential Flow |
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Definition The preferential movement of water through more permeable zones in the subsurface. Description Preferential flow refers to the uneven and often rapid movement of water through subsurface media, giving rise to heterogeneous conditions. This occurs in both the unsaturated and saturated zones. Why is preferential flow important? Preferential flow paths can play a dominating role in the movement of water and contaminants in the subsurface.
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