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Artesian aquifer

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Geological strata giving rise to an Artesian well

An artesian aquifer is a confined aquifer whose water is pressurized. Water will thus flow out of an artesian water well without pumping.

Contents

1 Why is a well artesian?

2 Origin

3 See also

4 Notes

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Why is a well artesian?

Because the water table at its recharge zone is at a higher elevation than the head of the well.

Pascal's Law predicts the hydrostatic pressure:

$P = \rho \cdot g \cdot (z_{recharge}-z_{wellhead})$

where $ρ$ is the density of the fluid, g the acceleration due to gravity, and z is the elevation.

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Origin

Artesian wells are named after the former province of Artois in France, where the first one was drilled by Carthusian monks in 1126. [1] (http://scholar.chem.nyu.edu/tekpages/artesian.html) (see also Note 1: )

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Notes

Note 1: Frances and Joseph Gies, Cathedral, Forge, and Waterwheel subtitled "Technology and Invention in the Middle Ages". Harper Perennial, 1995 ISBN 0060165901, page 112.es:Pozo artesiano et:Arteesiakaev th:บ่อน้ำบาดาล

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Categories: Water