A model to simulate infiltration of rainwater through the cover of a radioactive waste trench under saturated and unsaturated conditions

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Authors:Hung, Cheng Y.
Author Affiliations:Primary:
U. S. Environ. Prot. Agency, Off. Radiat. Programs, Washington, DC, United States
Volume Title:Role of the unsaturated zone in radioactive and hazardous waste disposal
Volume Authors:Mercer, James W., editor; Rao, P. S. C.; Marine, I. Wendell
Source:p.27-48; Role of the unsaturated zone in radioactive and hazardous waste disposal, Philadelphia, PA, May 31-June 4, 1982, edited by James W. Mercer, P. S. C. Rao and I. Wendell Marine. Publisher: Ann Arbor Sci. Publ., Ann Arbor, MI, United States. ISBN: 0-250-40620-9
Publication Date:1983
Note:In English. 25 refs.; illus. incl. 1 table
Summary:The infiltration model includes overland flow, subsurface flow, and atmospheric diffusion systems. Space-dependent variables of the basic differential equations which govern the movement of water or vapor through these three systems were transformed into space-independent variables by introducing some engineering assumptions. This paper emphasizes the transformation of the subsurface flow system; the other two systems have been investigated by previous investigators. Transformation of the subsurface flow system involves the concept of dividing soil moisture into three components: gravity, pellicular, and hygroscopic waters. The proposed model was tested against the studies conducted by other investigators by applying the model to the Barnwell radioactive-waste disposal site. The results indicated close agreement between the results obtained from the proposed model and those obtained from other investigators.—Modified book abstract.
Subjects:Atmosphere; Data processing; Diffusion; Engineering geology; Evaporation; Ground water; Homogeneous materials; Infiltration; Low-level waste; Mathematical models; Movement; Radioactive waste; Rainfall; Runoff; Saturated zone; Simulation; Soils; Surveys; Unsaturated zone; Waste disposal; Water regimes; South Carolina; United States; Barnwell; Overland flow; Trench covers
Record ID:1984003216
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute.
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