Determination of relative hydraulic conductivity from moisture retention data obtained in the Bandelier tuff
A method for calculating unsaturated hydraulic conductivity from measured values of matric potential and saturation ratio is applied to data for the Bandelier tuff. A method described by Campbell requires that the measured data satisfy a particular log--log relationship. The coefficient of correlation using the predictive formula in actual measurements is highly significant at matric potentials lower than -10 kPa (-0.1 bar). The decrease of the relative hydraulic conductivity with decreasing saturation ratio is more rapid for crushed tuff than undisturbed tuff.
- Research Organization:
- Los Alamos Scientific Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6337863
- Report Number(s):
- LA-7625-MS
- Country of Publication:
- United States
- Language:
- English
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