Key G-2.  Key to Estuarine Hydrologic Circulation Types

  1. Estuary is river-dominated with distinct salt wedge moving seasonally up and down the river; fresh water at surface with most saline waters at bottom; low energy system with silt and clay bottoms ........................................................................................................Salt-wedge Estuary 1. Estuary is not river-dominated        2


  1. Estuarine water is well-mixed, no significant salinity stratification, salinity more or less the same from top to bottom of water column; high-energy system with sand bottom...............

.................................................................................................................Homogeneous Estuary

  1. Estuarine water is partially mixed, salinities different from top to bottom, but not strongly stratified; low energy system .................................................................Partially Mixed Estuary


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