A lake is a body of water or other liquid of considerable size surrounded entirely by land.
A vast majority of lakes on Earth are fresh water, and most lie in the Northern Hemisphere at higher latitudes.
In ecology the environment of a lake is referred to as lacustrine.
Many lakes are artificial and are constructed for hydro-electric power supply, recreational purposes, industrial use, agricultural use, or domestic water supply.
Most lakes are young, as the natural results of erosion will tend to wear away one of the basin sides containing the lake.
Lake effect snow Lake effect snow, which can be a type of snowsquall, is produced in the winter when cold winds move across long expanses of warmer lake water, ... >
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Zebra mussel The Zebra mussel (Dreissena polymorpha) is a bivalve mussel native to freshwater lakes of southeast Russia. Zebra mussels are currently causing ... >
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Sediment Sediment is any particulate matter that can be transported by fluid flow and which eventually is deposited as a layer of solid particles on the bed ... >
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Great Lakes The Great Lakes are a group of five large lakes on or near the United States-Canadian border. They are the largest group of fresh water lakes on the ... >
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Fog Fog is a cloud in contact with the ground. Fog differs from other clouds only in that fog touches the surface of the Earth. The same cloud that is ... >
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Annual sedimentary layer A varve is an annual layer of sediment or sedimentary rock. Terms such as "annually laminated" are synonymous with varve.
Of the many rhythmites ... >
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Ecosystem In ecology, the word ecosystem is an abbreviation of the term, ecological system. Some consider this the basic unit in ecology. Ecosystems are not to ... >
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Desert In geography, a desert is a landscape form or region that receives very little precipitation. Generally deserts are defined as areas that receive an ... >
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Brackish water Brackish water is water that is saltier than fresh water, but not as salty as sea water. It may result from mixing of seawater with fresh water, as ... >
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Water resources Water resources are sources of water that are useful or potentially useful to humans. It is important because it is needed for life to exist. Many ... >
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