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)
“Osteopath—One who argues that all human ills are caused by the pressure of hard bone upon soft tissue. The proof of his theory is to be found in the heads of those who believe it.”
—H.L. (Henry Lewis)