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Author: John Boardman
Publisher: Cambridge University Press
ISBN: 9780521169127
Category : Science
Languages : en
Pages : 312
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Book Description
This 1987 book examines the intimate link between periglacial geomorphology and the fluctuating climates of the Quaternary Period in the British Isles. In the last two million years, ice sheets have covered northern Britain several times. In the south, at the limit of the glaciation, intense frost action and the formation of permafrost have influenced past and present landscapes. The first part of the book looks at areas of the world that have climates similar to periglacial Britain: Scandinavia, the Canadian Arctic, and alpine regions. Contributors then present data on periglacial landforms in the British Isles. Topics discussed include the periglaciation of upland Britain, ground ice depressions, and pingo remnants. The regions surveyed stretch from northern Scotland to the Isles of Scilly. The contributions are based on a conference held in late 1985 under the sponsorship of the International Geographical Union and the Quaternary Research Association of the United Kingdom.
Author: John Boardman
Publisher: Cambridge University Press
ISBN: 9780521169127
Category : Science
Languages : en
Pages : 312
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Book Description
This 1987 book examines the intimate link between periglacial geomorphology and the fluctuating climates of the Quaternary Period in the British Isles. In the last two million years, ice sheets have covered northern Britain several times. In the south, at the limit of the glaciation, intense frost action and the formation of permafrost have influenced past and present landscapes. The first part of the book looks at areas of the world that have climates similar to periglacial Britain: Scandinavia, the Canadian Arctic, and alpine regions. Contributors then present data on periglacial landforms in the British Isles. Topics discussed include the periglaciation of upland Britain, ground ice depressions, and pingo remnants. The regions surveyed stretch from northern Scotland to the Isles of Scilly. The contributions are based on a conference held in late 1985 under the sponsorship of the International Geographical Union and the Quaternary Research Association of the United Kingdom.
Author: Ireneo Peter Martini
Publisher: Geological Society of London
ISBN: 9781862393271
Category : Drift
Languages : en
Pages : 304
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Book Description
Understanding the sediments deposited by glaciers or other cold-climate processes assumes enhanced significance in the context of current global warming and the predicted melt and retreat of glaciers and ice sheets. This volume analyses glacial, proglacial and periglacial settings. Papers include topics such as sedimentation at termini of tidewater glaciers, poorly understood high-mountain features, and slope and aeolian deposits that have been sourced in glacial and periglacial regions and subsequently transported and deposited by azonal processes. Difficulties encountered in inferring Pleistocene and pre-Pleistocene cold-climate conditions when the sedimentary record lacks specific diagnostic indicators are discussed. The main objective of this volume is to establish the validity and limitations of the evidence that is used to achieve reliable palaeogeographic and palaeoclimatic reconstructions. On the much longer geological timescale, an understanding of ice-marginal and periglacial environments may better prepare us for the unavoidable reversal towards cooler and perhaps even glacial times in the future.
Author: Hugh M. French
Publisher: John Wiley & Sons
ISBN: 1119132797
Category : Science
Languages : en
Pages : 544
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Book Description
The Periglacial Environment, Fourth Edition, is an authoritative overview of the world’s cold, non-glacial environments. First published in 1976 and subsequently revised in 1996 and 2007, the text has been the international standard for nearly 40 years. The Fourth Edition continues to be a personal interpretation of the frost-induced conditions, geomorphic processes and landforms that characterize periglacial environments. Part One discusses the periglacial concept and describes the typical climates and ecosystems that are involved. Part Two describes the geocryology (permafrost science) associated with frozen ground. Part Three outlines the weathering and geomorphic processes associated with cold-climate conditions. Part Four provides insight into the periglacial environments of the Quaternary, especially the Late Pleistocene. Part Five describes some of the problems associated with human occupancy in regions that experience frozen ground and cold-climate conditions. Extensively revised and updated Written by an expert with over 50 years of field research Draws upon the author’s personal experience from Northern Canada, Alaska, Siberia, Tibet, Antarctica, Svalbard, Scandinavia, southern South America, Western Europe and eastern North America This book is an invaluable reference for advanced undergraduates in geography, geology, earth sciences and environmental sciences programs, and to resource managers and geotechnical engineers interested in cold regions.
Author: Colin K. Ballantyne
Publisher: John Wiley & Sons
ISBN: 1405100060
Category : Science
Languages : en
Pages : 496
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Book Description
Author: Albert Lincoln Washburn
Publisher:
ISBN: 9781932846287
Category : Science
Languages : en
Pages : 418
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Book Description
This book, originally published in 1980, provides a comprehensive overview of frost-action and mass-wasting processes and their effects, present and past. As warming of permafrost is becoming an increasingly important component of global climate change research, this text is also of increasing relevance. Geocryology is included in the title to emphasize the pervasive influence of ice and its phase changes in these processes. This book is neither a formal text nor a reference manual but something of both and a guide to the enormous literature. The text is illustrated with over 200 photographs and diagrams. The following topics are covered: Environmental factors, frozen ground, general frost-action processes, some periglacial forms, mass-wasting processes and forms, nivation, slopewash, fluvial action, lacrustine and marine action, wind action, thermokarst, environmental overview and environmental reconstructions. L. Washburn was the first executive director of the Arctic Institute of North America. He dedicated his life to fieldwork and the intensive study of the Arctic and Polar Regions in general, focusing on glacial and periglacial environments and Quaternary history of the earth. Dr. Washburn was Professor Emeritus in the department of Geological Sciences and the Quaternary Research Center at the University of Washington, and former Director of its Quaternary Research Center. He was deeply involved in the establishment of the journal Arctic and was founder and former Editor of Quaternary Research.
Author: Palmer K. Bailey
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 72
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Book Description
The distribution and characteristics of periglacial landforms in the southern Kenai Mountains, Alaska, were investigated during the summer of 1979. The principal area of study was a 1300-metre high mountain mass which stood as a nunatak during the last general glaciation. Periglacial features in the area include gelifluction lobes, nivation hollows, cryoplanation terraces, tors, a string bog, and various forms of patterned ground such as sorted circles, sorted polygons, earth hummocks, sorted steps, sorted stripes, and small ice-wedge polygons. Ground temperature measurements indicate that permafrost recently existed in the area but is no longer present. The sorted polygons, cryoplanation terraces, and nivation hollows are relic features which have been inactive for a considerable time. The turf-banked sorted steps and large gelifluction lobes were active until the very recent thawing of permafrost. Cryofraction and frost sorting still are vigorous active processes. Finely jointed bedrock, a previous colder environment, and long exposure in the absence of glacial ice has allowed periglacial processes to be the dominant surface agents both in the principal study area and in similar areas along the western side of the Kenai Mountains. (Author).
Author: K. Bharatdwaj
Publisher: Discovery Publishing House
ISBN: 9788183561679
Category : Physical geography
Languages : en
Pages : 378
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Book Description
It may well be said that there can be no geography which concerns itself with the actual shape and form of the land surface, solid rode, the configuration and extent of the seas and oceans, the enveloping atmosphere without which life as we know it content exist, the physical process which take place in that atmosphere. This book has been designed to cover the syllabus of physical geography required for the B.A. Students of the Indian Universities. The subject matter has been arranged so as to provide clear and integrated approach to the subject with all essential tools of application geography for B.A. curriculum. Contents: Weathering and Mass Movement, Lakes and Plains, Wind and Aeolian Landforms, Glaciers and Glaciated Topography, Periglacial Processes and Landforms, Running Water (River) and Fluvial Landforms, Groundwater and Karst Topography, Sea Waves and Coastal Landforms, Cycle of Erosion, Rejuvenation and Polycyclic Reliefs, Cyclones, Anticyclones and Frontogenesis, Drainage System and Patterns.
Author: Albert Lincoln Washburn
Publisher: London : E. Arnold
ISBN:
Category : Science
Languages : en
Pages : 336
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Book Description
Author: Jasper Knight
Publisher: Geological Society of London
ISBN: 9781862392816
Category : Nature
Languages : en
Pages : 282
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Book Description
Periglacial and paraglacial environments, located outside ice sheet margins but responding to similar climate forcings, are key to identifying climate change effects upon the Earth system. These environments are relicts of cold Earth processes and so are most sensitive to global warming. Changes in the distribution and thickness of permafrost in continental interiors have implications for ecosystem and landscape stability. Periglacial Alpine environments are experiencing increased rockfall and mass movement, leading to rock glacier instability and sediment release to downstream rivers. In turn, these landscape effects impact on natural hazards and human activities in these sensitive and geologically transient environments.
Author: Cuchlaine A. M. King
Publisher: Dowden Hutchinson and Ross
ISBN:
Category : Science
Languages : en
Pages : 494
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Book Description
36 papers examining the processes which shape polar landscapes.
