1,744 Matching Results

Search Results

Energy Related Use Conflicts for the Columbia River Estuary, Volume 2: Atlas

Description: "This volume consists of 3 overviews, an index to the quadrants, and a series of 11 scenario maps that forecast energy related developments of the Lower Columbia River and Estuary from 1981 to 2006."
Date: June 1983
Creator: U.S. Fish and Wildlife Service
Partner: UNT Libraries Government Documents Department

Problems Facing Coal Mining and Gas Production in the Hartshorne Coalbeds of the Western Arkoma Basin, Oklahoma

Description: This report provides pertinent geologic information for long-range planning of subsurface coal and gas production from the Hartshorne Coalbeds. Problems encountered include the complex distribution of minable and un-minable coal, high methane content and bed pressure, faulting, variations in degree of dip, presence of natural gas fields in associated sandstones, and legal problems.
Date: 1983
Creator: Iannacchione, Anthony T.
Partner: UNT Libraries Government Documents Department

Weir Jetty Performance: Hydraulic and Sedimentary Considerations: Hydraulic Model Investigation

Description: Final report regarding studies of weir jetties as an alternative for jetty design at tidal inlets. "The hydraulic model investigation was performed to study important design parameters for a weir jetty system including weir length, elevation, orientation with respect to the shoreline and the conventional portion of the jetty structure, tidal currents over the weir section, flow patterns in the vicinity of the weir section, sediment movement over the weir and effects of the weir jetty on accretion, and erosion upcoast of the jetty system" (abstract, para. 2).
Date: March 1983
Creator: Seabergh, William C.
Partner: UNT Libraries Government Documents Department

Mission Bay Harbor, California, Design for Wave and Surge Protection and Flood Control: Hydraulic Model Investigation

Description: Partial abstract: A 1:100-scale (undistorted) hydraulic model, reproducing Mission Bay Harbor, approximately 3 miles of shoreline, and sufficient offshore area to permit generation of the required test waves, was used to investigate the arrangement and design of proposed structures for (a) improving hazardous entrance conditions, (b) reducing surge inside the harbor, and (c) eliminating potential flood hazards. The original proposal for harbor improvement consisted of a 2,200-ft-long offshore breakwater. The proposed structures for river flood control consisted of (a) a 1,200-ft-long weir in the middle jetty, (b) various south jetty extensions, and (c) diversion dikes on the middle jetty.
Date: June 1983
Creator: Curren, Charles R.
Partner: UNT Libraries Government Documents Department

Cavity Detection and Delineation Research, Report 1: Microgravimetric and Magnetic Surveys: Medford Cave Site, Florida

Description: Partial abstract: "This report reviews the scope of a research effort initiated in 1974 at the U.S. Army Engineer Waterways Experiment Station with the objectives of (a) assessing the state of the art in geophysical cavity detection and delineation methodology and (b) developing new methods and improving or adapting old methods for application to cavity detection and delineation." This report discusses the geography, topography, site drilling tests, magnetic and microgravimetric surveys, and other information about the Medfor Cave site in Florida.
Date: March 1983
Creator: Butler, Dwain K.
Partner: UNT Libraries Government Documents Department

Fundamental Pyrolysis Studies

Description: Progress on the direct mass spectrometric sampling of pyrolysis products from wood and its constituents is described for the period from June 1982 to February 1983. A brief summary and references to detailed reports, of the qualitative demonstration of our approach to the study of the separated processes of primary and secondary pyrolysis is presented. Improvements and additions to the pyrolysis and data acquisition systems are discussed and typical results shown. Chief of these are a heated-grid pyrolysis system for controlled primary pyrolysis and a sheathed flame arrangement for secondary cracking studies. Qualitative results of the secondary cracking of cellulose, lignin, and wood are shown as are comparisons with the literature for the pyrolysis spectra of cellulose, lignin, and levoglucosan. 'Fingerprints' for a number of materials are shown, with spectra taken under carefully controlled conditions so that sensitivity calibrations for different compounds, now being determined, can be applied.
Date: March 1, 1983
Creator: Milne, T. A.; Evans, R. J. & Soltys, M. N.
Partner: UNT Libraries Government Documents Department

Tandem Notes

Description: .
Date: December 15, 1983
Creator: R., Young G.
Partner: UNT Libraries Government Documents Department

Survey of Portable Hydraulic Dredges

Description: From abstract: This report summarizes the results of a comprehensive survey conducted to identify and characterize portable dredges available in the United States.
Date: March 1983
Creator: Hydraulics Laboratory (U.S.)
Partner: UNT Libraries Government Documents Department

Columbia River Estuary Hybrid Model Studies: Report 1, Verification of Hybrid Modeling of the Columbia River Mouth

Description: From abstract: The Columbia Hybrid Modeling System was applied to the mouth of the Columbia River estuary to evaluate alternatives for reducing navigation channel maintenance dredging.
Date: September 1983
Creator: McAnally, William H., Jr.; Brogdon, Noble J., Jr.; Letter, Joseph V., Jr.; Stewart, J. Phillip & Thomas, William A.
Partner: UNT Libraries Government Documents Department