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Author : W. F. Weeks
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (319 download)
Download or read book Crystal Alignments in the Fast Ice of Arctic Alaska written by W. F. Weeks and published by . This book was released on 1979 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wilford F. Weeks
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (227 download)
Download or read book Crystal alignments in the fast ice of arctic Alaska written by Wilford F. Weeks and published by . This book was released on 1979 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field observations at 60 sites located in the fast or near-fast ice along a 1200-km stretch of the north coast of Alaska between Bering Strait and Barter Island have shown that the great majority of the ice samples (95%) exhibit striking c-axis alignments within the horizontal plane. Such alignments were usually well developed by the time the ice was 50 cm thick and in some cases when the ice was 20 cm thick. In all cases the degree of preferred orientation increased with depth in the ice. Representative standard deviations around a mean direction in the horizontal plane are commonly less than + or - 10 deg. for samples collected near the bottom of the ice. The general patterns of the alignments support a correlation between the preferred c-axis direction and the current direction at the ice/water interface. A comparison between c-axis alignments and spot current mesaurements made at 42 locations shows that the most frequent current direction coincides with the mean c-axis direction. Such alignments are believed to be the result of geometric selection with the most favored orientation being that in which the current flows normal to the (0001) plates of ice that compose the dendritic sea ice/sea ater interface. (Author).
Author : W. F. Weeks
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (319 download)
Download or read book Preferred Crystal Orientations in the Fast Ice Along the Margins of the Arctic Ocean written by W. F. Weeks and published by . This book was released on 1978 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anthony Jack Gow
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Internal Structure of Fast Ice Near Narwhal Island, Beaufort Sea, Alaska written by Anthony Jack Gow and published by . This book was released on 1977 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher :
ISBN 13 :
Total Pages : 502 pages
Book Rating : 4.3/5 (91 download)
Download or read book Technical Report written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1977 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth H. Brink
Publisher : Harvard University Press
ISBN 13 : 9780674017412
Total Pages : 1096 pages
Book Rating : 4.0/5 (174 download)
Download or read book The Global Coastal Ocean - Regional Studies and Syntheses written by Kenneth H. Brink and published by Harvard University Press. This book was released on 2005 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luke Copland
Publisher : Springer
ISBN 13 : 9402411011
Total Pages : 426 pages
Book Rating : 4.4/5 (24 download)
Download or read book Arctic Ice Shelves and Ice Islands written by Luke Copland and published by Springer. This book was released on 2017-05-30 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the current state of knowledge of Arctic ice shelves, ice islands and related features. Ice shelves are permanent areas of ice which float on the ocean surface while attached to the coast, and typically occur in very cold environments where perennial sea ice builds up to great thickness, and/or where glaciers flow off the land and are preserved on the ocean surface. These landscape features are relatively poorly studied in the Arctic, yet they are potentially highly sensitive indicators of climate change because they respond to changes in atmospheric, oceanic and glaciological conditions. Recent fracturing and breakup events of ice shelves in the Canadian High Arctic have attracted significant scientific and public attention, and produced large ice islands which may pose a risk to Arctic shipping and offshore infrastructure. Much has been published about Antarctic ice shelves, but to date there has not been a dedicated book about Arctic ice shelves or ice islands. This book fills that gap.
Author : Ryszard Staroszczyk
Publisher : Springer
ISBN 13 : 3030030385
Total Pages : 334 pages
Book Rating : 4.0/5 (3 download)
Download or read book Ice Mechanics for Geophysical and Civil Engineering Applications written by Ryszard Staroszczyk and published by Springer. This book was released on 2018-12-29 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the concepts and tools of ice mechanics, together with examples of their application in the fields of glaciology, climate research and civil engineering in cold regions. It starts with an account of the most important physical properties of sea and polar ice treated as an anisotropic polycrystalline material, and reviews relevant field observations and experimental measurements. The book focuses on theoretical descriptions of the material behaviour of ice in different stress, deformation and deformation-rate regimes on spatial scales ranging from single ice crystals, those typical in civil engineering applications, up to scales of thousands of kilometres, characteristic of large, grounded polar ice caps in Antarctica and Greenland. In addition, it offers a range of numerical formulations based on either discrete (finite-element, finite-difference and smoothed particle hydrodynamics) methods or asymptotic expansion methods, which have been used by geophysicists, theoretical glaciologists and civil engineers to simulate the behaviour of ice in a number of problems of importance to glaciology and civil engineering, and discusses the results of these simulations. The book is intended for scientists, engineers and graduate students interested in mathematical and numerical modelling of a wide variety of geophysical and civil engineering problems involving natural ice.
Author :
Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (318 download)
Download or read book Proceedings of a Synthesis Meeting written by and published by . This book was released on 1981 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relates to U.S. Dept. of the Interior's proposed sale 71, the second major Beaufort Sea lease sale. Sale 71 area located on Alaskan arctic coast. Two sections: characterization of Sale 71 environments, and interdisciplinary process analyses, impact predictions, and issue discussions.
Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (319 download)
Download or read book CRREL Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1981 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1060 pages
Book Rating : 4.:/5 (327 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1982 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 968 pages
Book Rating : 4.3/5 (91 download)
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1980 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : V.V. Bogorodsky
Publisher : Springer Science & Business Media
ISBN 13 : 9400952759
Total Pages : 265 pages
Book Rating : 4.4/5 (9 download)
Download or read book Radioglaciology written by V.V. Bogorodsky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antarctica, the sixth continent, was discovered more than 160 years ago. Since then this large, mysterious continent of ice and penguins has attracted world interest. Scientific expeditions from various countries have begun to study the geographical and natural conditions of the icy continent. Systematic and comprehensive inves tigations in the Antarctic started in the middle of our century. In 1956 the First Soviet Antarctic Expedition headed to the coast of Antarctica. Their program included studies of the atmosphere, hydrosphere and cryosphere. Thirty years have since passed. Scientists have unveiled many secrets of Antarctica: significant geophysical processes have been investigated, and a large body of new information on the Antarctic weather, Southern Ocean hydrology and Antarctic glaciers has been obtained. We can now claim that the horizons of polar geo physics, oceanology, and particularly glaciology, have expanded. Scientific inves tigators have obtained new information about all Antarctic regions and thus have created the opportunity to use the Antarctic in the interests of mankind.
Author : Erland M. Schulson
Publisher : Cambridge University Press
ISBN 13 : 0521806208
Total Pages : 403 pages
Book Rating : 4.5/5 (218 download)
Download or read book Creep and Fracture of Ice written by Erland M. Schulson and published by Cambridge University Press. This book was released on 2009-04-30 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first complete account of the physics of the creep and fracture of ice, for graduates, engineers and scientists.
Author :
Publisher :
ISBN 13 :
Total Pages : 1132 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1980 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.:/5 (319 download)
Download or read book CRREL Report written by and published by . This book was released on 1987 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anthony J. Gow
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Internal Structure of Fast Ice Near Narwhal Island, Beaufort Sea, Alaska written by Anthony J. Gow and published by . This book was released on 1977 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of measurements of salinity, grain size, substructure dimensions and crystal fabrics of the undeformed 2.15-m-thick annual sea ice sheet near Narwhal Island, Alaska, are presented. A notable observation was the formation of a dominant c-axis horizontal structure in all ice below 14 cm, including transformation to a pronounced east-west alignment of the c-axes by a depth of 66 cm. This study confirms earlier reports of the occurrence of very strong horizontal c-axis alignments in arctic fast ice. (Author).
