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Body of water

earth science Maturity 11-13 Next article →

A body of water is any significant amount of water on the Earth's surface.

Lysefjorden fjord
Lysefjorden fjord

This term describes many different things. It can mean huge oceans or small puddles. It also includes lakes, ponds, and wetlands. Some bodies of water stay still in one place. Others move water from one spot to another.

Aubach (Wiehl) nahe dem Weiherdamm in Wildbergerhütte
Aubach (Wiehl) nahe dem Weiherdamm in Wildbergerhütte

Rivers and streams are types of water that move. These are often called waterways if ships can travel on them.

Water moves in many different ways. Some bodies of water primarily hold water in one place. Lakes and oceans are good examples of this. Other bodies of water collect water and carry it along. Rivers and streams work this way by flowing downhill. Gravity is the force that pulls the water. This force also creates the tides in the ocean.

Lysefjorden fjord
Lysefjorden fjord

Different types of water can be found in different places.

Most bodies of water happen naturally in the world. However, some are made by people through engineering. A reservoir is a place used to store water. Most reservoirs are created by building a dam. A dam is a barrier that stops water from flowing. Some people also build harbors to help ships stay safe. A harbor can be a natural bay or something built by construction.

There are many specific names for water features. For example, a fjord is a narrow sea inlet between steep cliffs.

Aubach (Wiehl) nahe dem Weiherdamm in Wildbergerhütte
Aubach (Wiehl) nahe dem Weiherdamm in Wildbergerhütte

In Australia, a still pond created by a river is called a billabong. A large area of salt water is called a sea or an ocean. Oceans cover about 71% of the Earth's surface. Some water is found underground, while other water falls as rain. There are also ice sheets that are very large collections of frozen water.

Today, the world's water is facing many changes. This is often caused by climate change. Warmer temperatures cause glaciers and polar ice to melt. This melting makes the sea levels rise. It can also cause more flooding in some areas. Changes in rain patterns can lead to droughts in freshwater areas. These changes can be hard for living things and coral reefs.

Lysefjorden fjord
Lysefjorden fjord

People are working together to manage water in better ways.

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Aubach (Wiehl) nahe dem Weiherdamm in...
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Lysefjorden fjord.jpg
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