The effect of percolation rate on water-travel time in deep, partially saturated zones

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Authors:Peters, R. R.; Gauthier, J. H.; Dudley, A. L.
Author Affiliations:Primary:
Sandia Natl. Lab., Nev. Nucl. Waste Storage Invest. and Proj. Dep., Albuquerque, NM, United States
Other:
Pac. Northwest Lab., United States
Volume Title:Proceedings of the Symposium on groundwater flow and transport modeling for performance assessment of deep geologic disposal of radioactive waste; a critical evaluation of the state of the art
Volume Authors:Nicholson, Tom, chairperson; Cole, Charles
Source:No.NUREG/CP-0079, p.187-229; Symposium on Groundwater flow and transport modeling for performance assessment of deep geologic disposal of radioactive waste; a critical evaluation of the state of the art, Albuquerque, NM, May 20-21, 1985, chaired by Tom Nicholson and Charles Cole. Availability: NTIS, Springfield, VA, United States
Publication Date:1986
Note:In English. 25 refs.; illus. incl. 3 tables, sect., sketch map
Summary:The Nevada Nuclear Waste Storage Investigations (NNWSI) Project is investigating Yucca Mountain, Nye County, Nevada, as a prospective site for a radioactive-waste repository. The Yucca Mountain site is unique among those currently being investigated by the U.S. Department of Energy (DOE) in that the prospective repository location is in the unsaturated zone, approximately 300 m above the water table. The rock units at Yucca Mountain can be grouped into three types: (1) vitric tuffs with high matrix conductivity and few fractures, (2) zeolitized tuffs with low matrix conductivity and few fractures, and (3) densely welded tuffs with low matrix conductivities and many fractures. The prospective repository zone is in densely welded tuff; the units between it and the water table are of types 1 and 2.—Modified report abstract.
Subjects:Engineering geology; Ground water; Hydraulic conductivity; Igneous rocks; Mathematical models; Movement; Percolation; Pyroclastics; Radioactive waste; Saturated zone; Surveys; Tuff; Unsaturated zone; Volcanic rocks; Waste disposal; Water table; Nevada; Nye County Nevada; United States; Yucca Mountain
Record ID:1987079963
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute.
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