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Deep Core Drilling In The Ross Ice Shelf Little America V Antrctica
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Book Synopsis Deep Core Drilling in the Ross Ice Shelf, Little America V, Antarctica by : U.S. Army Snow, Ice, and Permafrost Research Establishment
Download or read book Deep Core Drilling in the Ross Ice Shelf, Little America V, Antarctica written by U.S. Army Snow, Ice, and Permafrost Research Establishment and published by . This book was released on 1960 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deep core drilling in the Ross ice shelf, Little America V, Antarctica by : Richard H. Ragle
Download or read book Deep core drilling in the Ross ice shelf, Little America V, Antarctica written by Richard H. Ragle and published by . This book was released on 1960 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drilling operations and core and drill hole investigations at Little America V in Oct. - Dec. 1958, as well as measurements at Byrd Station in Dec. 1958 are discussed. The hole at Little America V reached 836 ft, and core recovery was 98% of the footage drilled. No saline ice was found in the bottom core, indicating that the bottom ice is melting. In detailed stratigraphic studies made to a depth of 53 m, summer snow deposits were coarse-grained and often associated with icy crusts, ice layers, and glands. Winter deposits were finer-grained, more homogeneous, and lacked the soaked appearance of summer snow. Periods of 2-3 consecutive years at more or less regular intervals of 10-20 yr showed intense ice formation. Layers of foreign material, tentatively identified as volcanic ash, were observed at 172.1 m, 219.4 m, and 222.8 m. The depth-density curve steepened between 20.7 and 36.5 m. If annual precipitation is estimated as 21 cm of water, Little America V rests on about 1225 yr of accumulated snow. Data (some of a preliminary nature) are tabulated and graphed: the depth-density profile to a depth of 53 m, the nature of ice at various depths, spot densities below 53 m, and the annual increments at depth and corresponding water equivalents at Little America V; ice temperature at various depths at both stations; and depth-inclination measurements as well as the diam-vs-depth curve at Byrd Station. (Author).
Book Synopsis Deep Core Drilling in the Ross Ice Shelf, Little America V, Antrctica by : R.H. Ragle
Download or read book Deep Core Drilling in the Ross Ice Shelf, Little America V, Antrctica written by R.H. Ragle and published by . This book was released on 1960 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Profile of the Ross Ice Shelf at Little America V, Antarctica by : Chester C. Langway
Download or read book Chemical Profile of the Ross Ice Shelf at Little America V, Antarctica written by Chester C. Langway and published by . This book was released on 1974 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of the concentrations of Na(+), K(+), Mg(2+), and Ca(2+) were made on 28 samples from the 255-m-deep ice core from Little America V. All concentrations decrease sharply with depth from the firn-ice transition at 52 m to somewhere between 125 m and 150 m. From 150 m to 250 m the cationic concentrations are relatively constant. This is interpreted to indicate that the ice above 125 m fell as snow on the Ross Ice Shelf and that ice below 150 m originated inland on Marie Byrd Land. (Author).
Book Synopsis Deep Rotary Core Drilling in Ice by : G. Robert Lange
Download or read book Deep Rotary Core Drilling in Ice written by G. Robert Lange and published by . This book was released on 1973 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotary drilling equipment was modified and used to obtain cores from glaciers in Northwest Greenland, Byrd Station and Little America V, Antarctica. Using cold compressed air, specially designed bits and other modifications, cores were obtained to 1345 feet in Greenland, 1000 feet at Byrd Station and the Ross Ice Shelf was penetrated to a depth of 840 feet at Little America V. In all locations cracks in the core appeared with increasing frequency at depth due to the sudden release of the overburden load when the core was cut in the air-filled hole. Special equipment and techniques developed dealt with the problem with some success. (Author Modified Abstract).
Book Synopsis Anticipated Closure Rates for a Proposed Drill Hole, Ross Ice Shelf, Antarctica by : Johannes Weertman
Download or read book Anticipated Closure Rates for a Proposed Drill Hole, Ross Ice Shelf, Antarctica written by Johannes Weertman and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Drilling in Extreme Environments by : Yoseph Bar-Cohen
Download or read book Drilling in Extreme Environments written by Yoseph Bar-Cohen and published by John Wiley & Sons. This book was released on 2009-08-04 with total page 827 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uniquely comprehensive and up to date, this book covers terrestrial as well as extraterrestrial drilling and excavation, combining the technology of drilling with the state of the art in robotics. The authors come from industry and top ranking public and corporate research institutions and provide here real-life examples, problems, solutions and case studies, backed by color photographs throughout. The result is a must-have for oil companies and all scientists involved in planetary research with robotic probes. With a foreword by Harrison "Jack" Schmitt -- the first geologist to drill on the moon.
Download or read book Ice Cores written by and published by . This book was released on 1980 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory by :
Download or read book Research Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory written by and published by . This book was released on 1970 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Anarctic Snow and Ice Studies written by and published by American Geophysical Union. This book was released on with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis IGY Glaciological Report Series by : IGY World Data Center A: Glaciology
Download or read book IGY Glaciological Report Series written by IGY World Data Center A: Glaciology and published by . This book was released on 1961 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Report by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book Technical Report written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1976 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Report by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book Technical Report written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1979 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Antarctic Journal of the United States by :
Download or read book Antarctic Journal of the United States written by and published by . This book was released on 1978 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Special Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book Special Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1972 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Antarctic Ice Sheet by : Malcolm Mellor
Download or read book The Antarctic Ice Sheet written by Malcolm Mellor and published by . This book was released on 1961 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin of the United States Antarctic Projects Office by :
Download or read book Bulletin of the United States Antarctic Projects Office written by and published by . This book was released on 1960 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
