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Author: Malcolm Mellor
Publisher:
ISBN:
Category : Trafficability
Languages : en
Pages : 104
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Book Description
Present military concepts call for highly mobile units capable of rapid dispersal and efficient movement across country where no roads exist, and many current civilian engineering tasks require movement of men and materials long distances over roadless terrain. Oversnow transport is a particular aspect of the general problem of cross-country mobility, but the characteristics of snow-covered regions are such that special techniques and equipment are required for efficient operation. In order to fully understand the action of vehicles in snow and to formulate sound design criteria, it is necessary to develop a theory which permits quantitative analysis of trafficability problems. For practical purposes, vehicle evaluation is at present made from the results of relatively simple field tests which give drawbar pull as their main indicator. The best practical evaluations are made by observing the operational capabilities of vehicles in various types of snow.
Author: Malcolm Mellor
Publisher:
ISBN:
Category : Trafficability
Languages : en
Pages : 104
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Book Description
Present military concepts call for highly mobile units capable of rapid dispersal and efficient movement across country where no roads exist, and many current civilian engineering tasks require movement of men and materials long distances over roadless terrain. Oversnow transport is a particular aspect of the general problem of cross-country mobility, but the characteristics of snow-covered regions are such that special techniques and equipment are required for efficient operation. In order to fully understand the action of vehicles in snow and to formulate sound design criteria, it is necessary to develop a theory which permits quantitative analysis of trafficability problems. For practical purposes, vehicle evaluation is at present made from the results of relatively simple field tests which give drawbar pull as their main indicator. The best practical evaluations are made by observing the operational capabilities of vehicles in various types of snow.
Author: United States. Army. Transportation Arctic Group
Publisher:
ISBN:
Category :
Languages : en
Pages : 392
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Book Description
Author: United States. Department of the Army
Publisher:
ISBN:
Category : Military art and science
Languages : en
Pages : 146
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Book Description
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 386
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Book Description
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 478
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Book Description
Author: Arctic Institute of North America
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 1634
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Book Description
Author:
Publisher:
ISBN:
Category : Cold regions
Languages : en
Pages : 104
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1222
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Book Description
Author: Vijay P. Singh
Publisher: Springer Science & Business Media
ISBN: 9048126428
Category : Science
Languages : en
Pages : 1301
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Book Description
The earth’s cryosphere, which includes snow, glaciers, ice caps, ice sheets, ice shelves, sea ice, river and lake ice, and permafrost, contains about 75% of the earth’s fresh water. It exists at almost all latitudes, from the tropics to the poles, and plays a vital role in controlling the global climate system. It also provides direct visible evidence of the effect of climate change, and, therefore, requires proper understanding of its complex dynamics. This encyclopedia mainly focuses on the various aspects of snow, ice and glaciers, but also covers other cryospheric branches, and provides up-to-date information and basic concepts on relevant topics. It includes alphabetically arranged and professionally written, comprehensive and authoritative academic articles by well-known international experts in individual fields. The encyclopedia contains a broad spectrum of topics, ranging from the atmospheric processes responsible for snow formation; transformation of snow to ice and changes in their properties; classification of ice and glaciers and their worldwide distribution; glaciation and ice ages; glacier dynamics; glacier surface and subsurface characteristics; geomorphic processes and landscape formation; hydrology and sedimentary systems; permafrost degradation; hazards caused by cryospheric changes; and trends of glacier retreat on the global scale along with the impact of climate change. This book can serve as a source of reference at the undergraduate and graduate level and help to better understand snow, ice and glaciers. It will also be an indispensable tool containing specialized literature for geologists, geographers, climatologists, hydrologists, and water resources engineers; as well as for those who are engaged in the practice of agricultural and civil engineering, earth sciences, environmental sciences and engineering, ecosystem management, and other relevant subjects.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 554
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Book Description
