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Global environmental change --- Nature --- Geomorphology --- Changement global (Environnement) --- Homme --- Géomorphologie --- Effect of human beings on --- Influence sur la nature --- Géomorphologie --- GEOMORPHOLOGIE --- ENVIRONNEMENT --- Geomorphology. --- Global environmental change. --- Effect of human beings on.
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This is the only book to focus on the geomorphological landscapes of Canada West. It outlines the little-appreciated diversity of Canada’s landscapes, and the nature of the geomorphological landscape, which deserves wider publicity. Three of the most important geomorphological facts related to Canada are that 90% of its total area emerged from ice-sheet cover relatively recently, from a geological perspective; permafrost underlies 50% of its landmass and the country enjoys the benefits of having three oceans as its borders: the Arctic, Pacific and Atlantic oceans. Canada West is a land of extreme contrasts — from the rugged Cordillera to the wide open spaces of the Prairies; from the humid west-coast forests to the semi-desert in the interior of British Columbia and from the vast Mackenzie river system of the to small, steep, cascading streams on Vancouver Island. The thickest Canadian permafrost is found in the Yukon and extensive areas of the Cordillera are underlain by sporadic permafrost side-by-side with the never-glaciated plateaus of the Yukon. One of the curiosities of Canada West is the presence of volcanic landforms, extruded through the ice cover of the late Pleistocene and Holocene epochs, which have also left a strong imprint on the landscape. The Mackenzie and Fraser deltas provide the contrast of large river deltas, debouching respectively into the Arctic and Pacific oceans.
Geology. Earth sciences --- geologie --- geomorfologie --- Canada --- Geomorphology. --- Geology. --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Geomorphic geology --- Physiography --- Physical geography --- Landforms
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This is the only book to focus on the geomorphological landscapes of Canada West. It outlines the little-appreciated diversity of Canada’s landscapes, and the nature of the geomorphological landscape, which deserves wider publicity. Three of the most important geomorphological facts related to Canada are that 90% of its total area emerged from ice-sheet cover relatively recently, from a geological perspective; permafrost underlies 50% of its landmass and the country enjoys the benefits of having three oceans as its borders: the Arctic, Pacific and Atlantic oceans. Canada West is a land of extreme contrasts — from the rugged Cordillera to the wide open spaces of the Prairies; from the humid west-coast forests to the semi-desert in the interior of British Columbia and from the vast Mackenzie river system of the to small, steep, cascading streams on Vancouver Island. The thickest Canadian permafrost is found in the Yukon and extensive areas of the Cordillera are underlain by sporadic permafrost side-by-side with the never-glaciated plateaus of the Yukon. One of the curiosities of Canada West is the presence of volcanic landforms, extruded through the ice cover of the late Pleistocene and Holocene epochs, which have also left a strong imprint on the landscape. The Mackenzie and Fraser deltas provide the contrast of large river deltas, debouching respectively into the Arctic and Pacific oceans.
Geology. Earth sciences --- geologie --- geomorfologie --- Canada
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he physical geography of the nineteenth century emphasised interlinkages between the physical environment and human society. During the twentieth century, the pressures toward specialisation have produced the four disciplines of biogeography, climatology, geomorphology and hydrology which have their own, independent integrity and physical geography has suffered some attrition as a unified field of geography. This book, and indeed the whole series, adopts global environmental change and its repercussions for society, as the coherent integrating theme to reinvigorate the physical geography of the twenty-first century. It looks at environmental systems and impacts, integrating opportunities and challenges in the field. Understanding Global Environmental Change (UGEC): Themes in Physical Geography. Physical Geography and Global Environmental Change is the first text to be published within this series, designed to meet the need for shorter, inexpensive and more sharply focused books suitable for use within physical geography.
Physical geography. --- Geografie --- Fysische geografie --- Algemeen. --- Meteorology. Climatology --- Global environmental change. --- Géographie physique --- Changement global (Environnement) --- 911.2 --- Géographie physique --- Physical geography --- General ecology and biosociology --- Environmental protection. Environmental technology --- Géographie physique. --- Changement global de l'environnement.
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This is the only book to focus on the geomorphological landscapes of eastern Canada and provides a companion volume to “Landscapes and Landforms of Western Canada” (2017). There are a number of unique characteristics of eastern Canada’s landscapes, notably its magnificent coastlines, the extraordinary variety and extent of wetlands, the huge Great Lakes-St. Lawrence basin, the high incidence of meteorite craters , the spectacular Niagara Falls, urban karst in Montreal and Ottawa, youthful, glaciated karst in Ontario, Newfoundland, Quebec and Nova Scotia, the ubiquitous permafrost terrain of Nunavut, Labrador and northern Quebec and the magnificent arctic fjords and glaciers. Looking at coastlines, the tidal extremes of the Bay of Fundy are world renowned; the structural complexity of the island of Newfoundland is less well known, but produces an astounding variety of coastlines in close succession; the arctic fjordlands of Baffin and Ellesmere islands and the extravagant raised beaches of Hudson Bay bear comparison with the classic fjords of Norway and the Baltic Sea raised beaches. As for wetlands there are distinctive Arctic, Subarctic, Boreal, Eastern Temperate and Atlantic wetlands and their extent is second only to those of Russia. In the Hudson and James bay regions between 75-100% of the terrestrial surface is comprised of wetlands. One of North America’s largest river basins, the Great Lakes-St. Lawrence basin, has its source in Minnesota, straddles the USA-Canada border and debouches into Quebec as the St. Lawrence River and evolves through its estuary into the Gulf of St. Lawrence, a journey of almost 5,000 km. As far as meteorite craters are concerned, 10% of the world’s total are located in eastern Canada, including some of the largest and most complex. They are preserved preferentially in the ancient Shield terrain of Quebec. Finally, the three million km² of permafrost controlled relief in eastern Canada serves as a reminder of the vulnerability of eastern Canada’s landscapes to climate change. Effects of warming are expressed through thawing of the permafrost, disruption of transportation corridors and urban construction problems, ever-present geomorphic hazards.
Geomorphology. --- Geology. --- Geoecology. --- Environmental geology. --- Physical geography. --- Coasts. --- Climate change. --- Geoecology/Natural Processes. --- World Regional Geography (Continents, Countries, Regions). --- Coastal Sciences. --- Climate Change. --- Geomorphology --- Geomorphic geology --- Physiography --- Physical geography --- Landforms --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Coastal landforms --- Coastal zones --- Coastlines --- Seashore --- Geography --- Geoecology --- Environmental protection --- Physical geology --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Environmental aspects --- Global environmental change
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