Issue Date: July/August 2009


GEOSTRATA, 2009, July/August, 36-41                                                  Permafrost is the thermal condition at which subsurface materials exist at a temperature below 0°C for two or more consecutive years. The permafrost regions of northern and interior Alaska are defined as either continuous or discontinuous. Continuous permafrost generally exists in the Arctic regions above 66° latitude, characterized by cold […]

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Categorized as: Geotechnics