Estuaries

Estuaries

1. Fresh water from land enters the ocean trough rivers, streams and groundwater flowing trough valleys, these valleys that cannel fresh water from land to salty ocean, which range from extremely narrow stream cut channels to remarkably broad lagoons behind long barrier islands, are called estuaries

   • A number of types of estuaries are commercially vital; many commercially important estuaries are the mouths of major river.
     • Estuary systems which vary to reflect the geology of the coasts where they are found can be broadly categorized as one of two different types.
       • the other category of estuary system encompasses the mountainous coasts with their rugged topography, such as those ffound along the pacific coasts of north and south America.

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