Artesian aquifer

Geological strata giving rise to an artesian well

U.S. Navy Seabees tapping an artesian well in Helmand Province, Afghanistan

See Great Artesian Basin for the water source in Australia.

An artesian aquifer is a confined aquifer containing groundwater under positive pressure. This causes the water level in a well to rise to a point where hydrostatic equilibrium has been reached.

A well drilled into such an aquifer is called an artesian well. If water reaches the ground surface under the natural pressure of the aquifer, the well is called a flowing artesian well.

单词	Flowing artesian well
释义	Flowing artesian well 英语百科 Artesian aquifer See Great Artesian Basin for the water source in Australia. An artesian aquifer is a confined aquifer containing groundwater under positive pressure. This causes the water level in a well to rise to a point where hydrostatic equilibrium has been reached. A well drilled into such an aquifer is called an artesian well. If water reaches the ground surface under the natural pressure of the aquifer, the well is called a flowing artesian well.
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Flowing artesian well

Artesian aquifer