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Published in Soil Sci Soc Am J 35:3-8 (1971)
© 1971 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Calculation of Hydraulic Conductivity: A further Evaluation of some Predictive Methods1

R. E. Green and J. C. Corey2

ABSTRACT

A computational method based on the pore-interaction model of Marshall was shown to compare favorably with modified methods of Millington and Quirk and of Marshall for prediction of hydraulic conductivity vs. water content on a number of soils and a glass bead system. All methods required matching one point on the calculated hydraulic conductivity curve to an experimentally measured hydraulic conductivity value. The calculation methods adequately predicted the experimentally measured values and provide satisfactory conductivity data for many applications. An advantage of the proposed method is its independence of the value chosen for the exponent on the porosity term in the prediction equation.

NOTES

1 Joint contribution from the Savannah River Lab., E. I. du Pont de Nemours & Co., Aiken, S.C. 29801 and the Univ. of Hawaii, Honolulu 96822. Approved for publication as Hawaii Agr. Exp. Sta. Journal Series no. 1147. The information contained in this article was developed during the course of work under Contract AT(07-2)-1 with the US Atomic Energy Commission.

2 Associate Professor of Soil Science, Univ. of Hawaii, and Research Physicist, Savannah River lab. The work was done while the senior author was an Oak Ridge Associated Universities Research Participant at the Savannah River Lab.

Received for publication October 6, 1969. Accepted for publication September 29, 1970.






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