Basin clearly explained in geography
In geography, as in any other science, there are different technical terms. One of these technical terms is the basin. Read a clear explanation here and where pools extend.
The definition of the basin in geography
- In geography, a basin is referred to as a depression in the earth's crust. It is mostly self-contained and has no drain. You can also imagine these depressions as a kind of bowl or pan embedded in the earth.
- Basins can be above or below the surface of the earth.
- The dimensions of pools are very different. The largest basins are located on the sea floor and can have a diameter of 2,000 to 4,000 kilometers. The largest land basins measure 100 to 1000 kilometers in diameter.
- Basins are also called sinks, basins and valleys.
The basins on land and in the sea
- Basins that occur on land are mostly depressions without drainage. But above-ground basins can also be below zero. The best known and deepest parts of such depressions are often salt lakes.
- In arid regions, the land basins are designed as deserts. In the temperate zones, pools are known as loess pools. A fine material transported and deposited by the wind, such as loess, is used as loess. B. Clay dust, labeled.
- Examples of loess basins are the Hungarian puszta and the Paris basin. The Aral Sea is also one of the largest basins on land.
- Basins under the earth's surface are referred to in geography as lake basins or referred to as a deep sea basin.
- The design of sea and Deep sea basins are very different and depend on the sediments. Sediments are deposits, e.g. B. Rock from inflowing rivers. These have solidified over many years.
- A 300 meter thick layer of mud is deposited over the sediments.
- The oceanic earth's crust, which is estimated to be around 5000 meters thick, forms the subsurface of pools in the sea.
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