Pneumatic Pressure
The amount of work that must be done in order to transport reversibly and isothermally an infinitesimal quantity of water, identical in composition to the soil water, from a pool at atmospheric pressure and at the elevation of the point under consideration, to a similar pool at an external gas pressure of the point under consideration, divided by the volume of water transported.
Read more about this topic: Pore Water Pressure
Famous quotes containing the words pneumatic and/or pressure:
“Grishkin is nice: her Russian eye
Is underlined for emphasis;
Uncorseted, her friendly lust
Gives promise of pneumatic bliss.”
—T.S. (Thomas Stearns)
“Amid the pressure of great events, a general principle gives no help.”
—Georg Wilhelm Friedrich Hegel (1770–1831)