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Instrument: TENSION INFILTROMETER
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Description
Tension infiltrometers have been widely used for in situ
determination of the field-saturated hydraulic conductivity
(Kfs) of soils under near-saturated conditions in the vadose
zone (Meiers, 2002). Near-saturated conditions refer to
measurements made over the negative pressure range, -20cm to
0.0cm, where water contents are nearly as high as those for
saturation (Reynolds and Elrick, 1991). Tension infiltrometers
determine the steady-state infiltration rate into the soil
through a porous plate on which a constant negative water
pressure (tension) is applied.

Additional information available at

"http://technology.infomine.com/hydromine/topics/Permeability_Testing/
Tension_Infiltrometer.asp"

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