Article: Estuaries

Estuaries

Estuaries are partially enclosed bodies of water that occur where the land meets the ocean. The world's largest estuaries are at the ocean ends of rivers that deliver freshwater from surrounding and sometimes remote upland areas. Estuaries may be configured as sounds, bays, lagoons, or networks of tidal creeks and marshes. Many estuaries are separated from the ocean by barrier islands and do not have major sources of freshwater inflow. Estuaries are more common on coasts with wide and shallow continental shelves than on coasts close to tectonic plate boundaries.

Estuaries are physically and chemically dynamic and complex ecosystems . Annual, seasonal, and daily fluctuations ...

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