Amazon.com description: Product Description: Presents papers written by distinguished American and Canadian geomorphologists that highlight the considerable quantity and diversity of periglacial geomorphic research being conducted in Arctic and alpine environments. Explores a variety of contemporary geomorphic processes such as pingos, nivation, ground ice, palsas, frost related and mass wasting procedures as well as paleoenvironmental studies. Also examines some of the potential impacts of global change on the nature and extent of permafrost and seasonal ice phenomena.