Lake

body of relatively still water, localized in a basin
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A lake (from Latin: lacus) is a large body of water (larger and deeper than a pond) within a body of land. As a lake is separated from the ocean, it is not a sea. Some lakes are very big, and people in the past sometimes called them seas. Lakes do not flow like rivers, but many have rivers flowing into and out of them.

A lake in Bariloche, Argentina
A lake in the Andes Mountains
A lake in the Lake District, Cumbria, England

Most lakes on the surface of the Earth are fresh water and most are in the Northern Hemisphere. More than 60% of the lakes of the world are in Canada. Finland is known as The Land of the Thousand Lakes (there are 187,888 lakes in Finland, of which 60,000 are large).[1]

Many lakes are man-made reservoirs built to produce electricity, for recreation, or to use the water for irrigation or industry, or in houses.

If there are not rivers flowing out of the lake (see Endorheic basin), or they are few and small, the lake loses water only by evaporation or because the water flows through the soil pores. Where the water evaporates rapidly and the soil around the lake has a high salt level, as in very dry places, the water of the lake has a high concentration of salt and the lake is called a salt lake. Examples of salt lakes are the Great Salt Lake, the Caspian Sea, the Aral Sea, and the Dead Sea.

Largest lakes by continent change

  • Africa - Lake Victoria, also the second largest freshwater lake on Earth. It is one of the Great Lakes of Africa.
  • Antarctica - Lake Vostok.
  • Asia - Lake Baikal is the largest lake that is completely in Asia. The Caspian Sea, the largest lake on Earth, is on the Europe-Asia border (an artificial border) and so both continents share this lake.
  • Australia - Lake Eyre, that most of the time is without water; it takes water when it rains a lot.
  • Europe - Lake Ladoga, followed by Lake Onega, both in northwestern Russia.
  • North America - Lake Superior.
  • South America - Lake Maracaibo but it is like a bay because it has a wide opening to sea. The largest freshwater lake of South America is Lake Titicaca, which is also the highest body of water on Earth at 3,821 m (12,507 ft) above sea level where boats can travel.

Notable lakes change

Related pages change

References change

  1. Statistics Finland
  2. "Information about Ojos del Salado volcano". Archived from the original on 2007-04-27. Retrieved 2008-02-16.