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This book describes the effects of cold climates on the surface of the earth. Using scientific principles, the authors describe the evolution of ground thermal conditions and the origin of natural features such as frost heave, solifluction, slope instabilities, patterned ground, pingos and ice wedges. The thermodynamic conditions accompanying the freezing of water in porous materials are examined and their fundamental role in the ice segregation and frost heave processes is demonstrated in a clear and simple manner. This book concentrates on the analysis of the causes and effects of frozen ground phenomena, rather than on the description of the natural features characteristic of freezing or thawing ground. Its scientific approach provides a basis for geotechnical analyses such as those essential to resource development.
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Periglacial processes --- Glaciology --- Périglaciaire --- Glaciologie --- Glaciology. --- Periglacial processes. --- Périglaciaire
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Permafrost --- Periglacial processes --- Periglacial processes. --- Permafrost. --- Alaska. --- Alaska
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Albert Pissart continue un projet d'un ancien collègue qui étudie les mouvements des cailloux dans des zones prédéfinies. De 1968 à 1975, il retourne chaque année au Massif de Chambeyron pour analyser et noter les changements. Ces diapositives ont été créées afin d'illustrer les sujets abordés dans ses cours et ses publications.
Périglaciaire. --- Géomorphologie. --- Geomorphology --- Periglacial processes
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Ces diapositives ont été créées lors des voyages de Monsieur Pissart afin d'illustrer les sujets abordés dans ses cours et ses publications. Des légendes manuscrites sur la plupart des diapositives décrivent l'image.
Géomorphologie. --- Périglaciaire. --- Geomorphology --- Periglacial processes
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Permafrost --- Periglacial processes --- Alaska. --- Alaska
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Frozen ground. --- Glaciology. --- Geomorphology. --- Periglacial processes
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Glacial landforms --- Glaciated terrain --- Landforms --- Periglacial processes
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