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Estuary – Glossary Definition

Estuary – Glossary Definition

Summary:

Want the definition of estuary? Learn the meaning of estuary, see some examples, and get a better understanding of this travel glossary term!

Wondering about the definition of estuary? Keep reading to learn the meaning of estuary, see some examples, and get a better understanding of this travel glossary term!

Rio de la Plata estuary definition
A NASA astronaut photograph of the Río de la Plata estuary between Argentina and Uruguay looking west-east. Note Greater Buenos Aires on the right side of the picture, and Montevideo on the left side (near the mouth of the Santa Lucía. To the east of Greater Buenos Aires, a smaller conurbation is visible, including La Plata (a few kilometers inland) and the Berisso-Ensenada area (near the river). Water on the river is brown because of sediments carried from the Paraná and Uruguay rivers. The color turns blue when approaching the South Atlantic Ocean. Public Domain.

What is an Estuary?

In geography, an estuary is a body of water connecting a flowing river and a larger body, such as a sea or ocean.

Because it is the transition point, an estuary is subject to both the tides of the sea or ocean as well as the mixture of the fresh water with salt water that happens.

More on Estuaries

A good example is the New York City region, which sits in an estuary body of water, as the Hudson River drains into the Atlantic Ocean. Another good estuary example would be the Río de la Plata estuary between Argentina and Uruguay, pictured above.

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