Estuaries : San Francisco Bay

1584 Words Jul 19th, 2015 7 Pages
As you may know, a estuary, particularly is a enclosed body of water aside the coast where freshwater from rivers and streams intertwine with the salt water from the ocean. As a matter of fact, estuaries are "places of transition from land to sea and freshwater to salt water." An estuary is a partially enclosed body of water formed where freshwater from rivers and streams flows into the ocean, mixing with the salty sea water. Estuaries and the lands surrounding them are places of transition from land to sea, and from fresh to salt water. Influenced by the tides, estuaries are protected and kept safe from the "full force of ocean waves, winds, and storms by the reefs, barrier islands, or fingers of land, mud, or sand that define an estuary 's seaward boundary."

Estuaries form in many shapes and sizes and go by a few different names, often known as bays, lagoons, harbors, inlets, or sounds. Some of the most familiar examples of estuaries portrayed are San Francisco Bay, Chesapeake Bay, Boston Harbor, and Tampa Bay. Setting the United States Recored, the Chesapeake Bay Estuary is the largest estuary in the United States, having an area of about 4,479 square miles. The beginning of the estuary is on Virginia Beach, which is located between Virginia and Maryland, and leads into the Atlantic Ocean. The estuary 's major source of freshwater is the Susquehanna River, which contributes nearly "50% of the bay 's freshwater supply."

The salinity of the estuary differs throughout…
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