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Author : John R. Williams
Publisher : Unknown
Page : 308 pages
File Size : 42,9 Mb
Release : 1965
Category : Frozen ground
ISBN : IND:30000143973786
Author : Dagfin John Cederstrom,P. M. Johnston,Paul McKelvey Johnston,Seymour Subitzky,Geological Survey (U.S.)
Publisher : Unknown
Page : 38 pages
File Size : 47,7 Mb
Release : 1953
Category : Frozen ground
ISBN : UCR:31210022907172
Author : John R. Williams
Publisher : Unknown
Page : 92 pages
File Size : 48,6 Mb
Release : 1970
Category : Frozen ground
ISBN : UCR:31210020751150
Additional title page description: Ground water in permafrost regions in Alaska occurs according to the same geologic and hydrologic principles prevailing in temperate regions.
Author : Ming-ko Woo
Publisher : Springer Science & Business Media
Page : 572 pages
File Size : 52,5 Mb
Release : 2012-04-14
Category : Science
ISBN : 9783642234620
Permafrost Hydrology systematically elucidates the roles of seasonally and perennially frozen ground on the distribution, storage and flow of water. Cold regions of the World are subject to mounting development which significantly affects the physical environment. Climate change, natural or human-induced, reinforces the impacts. Knowledge of surface and ground water processes operating in permafrost terrain is fundamental to planning, management and conservation. This book is an indispensable reference for libraries and researchers, an information source for practitioners, and a valuable text for training the next generations of cold region scientists and engineers.
Author : David Moody Hopkins,Geological Survey (U.S.),Thor N. V. Karlstrom
Publisher : Unknown
Page : 76 pages
File Size : 54,9 Mb
Release : 1955
Category : Frozen ground
ISBN : UCR:31210020742332
Author : N. I. Tolstikhin,O. N. Tolstikhin
Publisher : Inland Water Resources Directorate, Water Resources Branch
Page : 25 pages
File Size : 42,7 Mb
Release : 1976
Category : Frozen ground
ISBN : 066201281X
Detailed discussion of groundwater in the permafrost region of Siberia (superpermafrost, intrapermafrost and subpermafrost water) with surface water in the form of springs, icings, pools of open water in ice and hydrolaccoliths.
Author : Anonim
Publisher : National Academies
Page : 808 pages
File Size : 51,7 Mb
Release : 1973-01-01
Category : Frozen ground
ISBN : 0309021154
Author : Donald R. Nichols
Publisher : Unknown
Page : 42 pages
File Size : 48,6 Mb
Release : 1956
Category : Frozen ground
ISBN : COLUMBIA:CU61230910
Author : V.M.. Ponomarev,N.I.. Tolstikhin
Publisher : Unknown
Page : 206 pages
File Size : 55,5 Mb
Release : 1964
Category : Electronic
ISBN : IND:30000111947788
Author : Patrik Vidstrand
Publisher : Unknown
Page : 80 pages
File Size : 40,6 Mb
Release : 2003
Category : Frozen ground
ISBN : UOM:39015058698831
Author : Siemon William Muller
Publisher : Unknown
Page : 266 pages
File Size : 46,8 Mb
Release : 1945
Category : Engineering
ISBN : STANFORD:36105016827979
Author : Roger J.E. Brown
Publisher : University of Toronto Press
Page : 246 pages
File Size : 55,5 Mb
Release : 1970-12-15
Category : Science
ISBN : 9781442650992
Permafrost is the thermal condition of the earth’s crust when its temperature has been below 32°F continuously for a number of years. Half of Canada’s land surface lies in the permafrost region—either in the continuous zone where the ground is frozen to a depth of hundreds of feet, or in the discontinuous zone where permafrost is thinner, and there are areas of unfrozen ground. The existence of permafrost causes problems for the development of the northern regions of all countries extending into the Arctic. Mining operations are hindered by frozen ore which resists blasting and is difficult to thaw. Agriculture is restricted by the presence of permafrost near the ground surface which limits the soil available for plant growth. Engineering structures are also affected by the low temperatures. Ice layers give soil a rock-like structure with high strength. However heat transmitted by buildings often causes the ice to melt, and the resulting slurry is unable to support the structure. Many settlements in northern Canada have examples of structural damage or failure caused by permafrost. In the construction and maintenance of railways, buildings, water and sewage lines, dams, roads, bridges, and airfields, normal techniques must often be modified at additional cost because of permafrost. For the last twenty-five years scientific investigations and engineering projects have increased steadily in Canada’s permafrost region, and it is now technically possible to build any structure or conduct any activity on the worst soils and under permafrost conditions. This comprehensive analysis of permafrost—its origin, definition, and occurrence, and the effect it has on industry and agriculture—will be invaluable to the growing number of people working in the north and to those interested in its development.
Author : Stuart A. Harris,Anatoli Brouchkov,Cheng Guodong
Publisher : CRC Press
Page : 964 pages
File Size : 54,5 Mb
Release : 2017-09-28
Category : Science
ISBN : 9781351681612
This book provides a general survey of Geocryology, which is the study of frozen ground called permafrost. Frozen ground is the product of cold climates as well as a variety of environmental factors. Its major characteristic is the accumulation of large quantities of ice which may exceed 90% by volume. Soil water changing to ice results in ground heaving, while thawing of this ice produces ground subsidence often accompanied by soil flowage. Permafrost is very susceptible to changes in weather and climate as well as to changes in the microenvironment. Cold weather produces contraction of the ground, resulting in cracking of the soil as well as breakup of concrete, rock, etc. Thus permafrost regions have unique landforms and processes not found in warmer lands. The book is divided into three parts. Part 1 provides an introduction to the characteristics of permafrost. Four chapters deal with its definition and characteristics, the unique processes operating there, the factors affecting it, and its general distribution. Part 2 consists of seven chapters describing the characteristic landforms unique to these areas and the processes involved in their formation. Part 3 discusses the special problems encountered by engineers in construction projects including settlements, roads and railways, the oil and gas industry, mining, and the agricultural and forest industries. The three authors represent three countries and three language groups, and together have over 120 years of experience of working in permafrost areas throughout the world. The book contains over 300 illustrations and photographs, and includes an extensive bibliography in order to introduce the interested reader to the large current literature. Finalist of the 2019 PROSE Awards.
Author : Daqing Yang,Douglas L. Kane
Publisher : Springer Nature
Page : 914 pages
File Size : 55,8 Mb
Release : 2020-08-28
Category : Science
ISBN : 9783030509309
This book provides a comprehensive, up-to-date assessment of the key terrestrial components of the Arctic system, i.e., its hydrology, permafrost, and ecology, drawing on the latest research results from across the circumpolar regions. The Arctic is an integrated system, the elements of which are closely linked by the atmosphere, ocean, and land. Using an integrated system approach, the book’s 30 chapters, written by a diverse team of leading scholars, carefully examine Arctic climate variability/change, large river hydrology, lakes and wetlands, snow cover and ice processes, permafrost characteristics, vegetation/landscape changes, and the future trajectory of Arctic system evolution. The discussions cover the fundamental features of and processes in the Arctic system, with a special focus on critical knowledge gaps, i.e., the interactions and feedbacks between water, permafrost, and ecosystem, such as snow pack and permafrost changes and their impacts on basin hydrology and ecology, river flow, geochemistry, and energy fluxes to the Arctic Ocean, and the structure and function of the Arctic ecosystem in response to past/future changes in climate, hydrology, and permafrost conditions. Given its scope, the book offers a valuable resource for researchers, graduate students, environmentalists, managers, and administrators who are concerned with the northern environment and resources.
Author : Dongliang Luo,Guo Donglin,Huijun Jin,Sizhong Yang,Marcia Katharina Phillips,Beat Frey
Publisher : Frontiers Media SA
Page : 242 pages
File Size : 45,9 Mb
Release : 2022-09-16
Category : Science
ISBN : 9782889769865