Most people have a vague understanding of the difference between the lake and the sea due to the historically-established names of the Caspian, Aral and Dead sea, actually being lakes, and lake Baikal, which the locals proudly call the sea, shocked by his size and magnificence.
The lake is a closed depression in the earth’s continental crust, which is filled with water. Lake waters belong to the land, along with rivers, swamps, glaciers and groundwater. A leader in the parameter area in the world is the Caspian sea, there is no depth of the reservoir equal to the Baikal. He is a key reservoir of fresh water for humans.
Lake classification is a consequence of how the lake deepening. Highlights – this is a tectonic lake that was the result of discontinuous horizontal or vertical movements of the earth’s crust. Over time, the fracture gap is filled with water. Thus was formed the lake Baikal, African lakes Nyasa and Tanganyika. With the lowering part of the continental plate due to the emergence of the Caspian and Aral seas.
Lakes are formed when the rock-fall. Thus perevarivaetsya the river bed, necessarily flowing in a mountain valley. A huge number of such lakes in the Pamir and in mountains of Asia Minor. Continue reading