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Publication Extents

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Water movement in the unsaturated zone at a low-level radioactive-waste burial site near Barnwell, South Carolina
Kevin F. Dennehy, Peter B. McMahon
1989, Water Supply Paper 2345
Four unsaturated-zone monitoring sites and a meteorologic station were installed at the low-level radioactive-waste burial site near Barnwell, S.C., to investigate the geohydrologic and climatologic factors affecting water movement in the unsaturated zone. The study site is located in the Atlantic Coastal Plain. The unsaturated zone consists of a few...
Isotopic evidence for evolution of sub-continental mantle during Red Sea rifting
John S. Pallister, Ernst Hegner
1989, Open-File Report 89-335
Tertiary igneous rocks from near Al Lith, Saudi Arabia are alkaline to subalkaline and bimodal in composition, and document early and late rift volcanism (≥30 Ma to ~20 Ma, 11 Ma and 3 Ma) in the central part of the Red Sea rift. Isotopic and trace-element data from twenty-five samples...
A vertically averaged spectral model for tidal circulation in estuaries
J.R. Burau, R. T. Cheng
1989, Water-Resources Investigations Report 88-4126
A frequency dependent computer model based on the two-dimensional vertically averaged shallow-water equations is described for general purpose application in tidally dominated embayments. This model simulates the response of both tides and tidal currents to user-specified geometries and boundary conditions. The mathematical formulation and practical application of the model are...