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In an artesian well, the water rises up by itself. Artesian water is water that is under hydraulic pressure.
The opening of artesian waters by artificial means leads to the fact that water rises above the roof of the aquifer, with sufficient pressure it pours out on the surface of the earth, and sometimes even gushes.
And in an underground spring, this does not happen.
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An artesian well is a drilling well that is drilled for the exploitation of artesian water (underground water enclosed between water-resistant layers and under hydraulic pressure).
Artesian aquifers lie between two water-resistant layers and are reliably protected from surface contamination. Unlike ground water, they often have a remote feeding area — several kilometers away and even tens or hundreds of kilometers away. When opening a well, the level of artesian water is always set significantly higher than the water-resistant roof of the aquifer, and sometimes artesian water itself pours out of the well (gushes). In those areas where artesian waters receive nutrition, they acquire the character of either free-surface ground water or inter-layer ground water. Underground water of all these types can circulate in the cavities of loose granular or in the cracks of rock. In the latter case, underground water belonging to any of the listed types is given the additional name of a crack.
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