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This book provides a general survey of Geocryology, which is the study of frozen ground called permafrost. Frozen ground is the product of cold climates as well as a variety of environmental factors. Its major characteristic is the accumulation of large quantities of ice which may exceed 90% by volume. Soil water changing to ice results in ground heaving, while thawing of this ice produces ground subsidence often accompanied by soil flowage. Permafrost is very susceptible to changes in weather and climate as well as to changes in the microenvironment. Cold weather produces contraction of...

From the Reviews:

"Gihman and Skorohod have done an excellent job of presenting the theory in its present state of rich imperfection."
D.W. Stroock in Bulletin of the American Mathematical Society, 1980

"To call this work encyclopedic would not give an accurate picture of its content and style. Some parts read like a textbook, but others are more technical and contain relatively new results. ... The exposition is robust and explicit, as one has come to expect of the Russian tradition of mathematical writing. The set when completed will be an...

From the Reviews:

"Gihman and Skorohod have done an excellent job of presenting the theory in its present state of rich imperfection."
D.W. Stroock in Bulletin of the American Mathematical Society, 1980

"To call this work encyclopedic would not give an accurate picture of its content and style. Some parts read like a textbook, but others are more technical and contain relatively new results. ... The exposition is robust and explicit, as one has come to expect of the Russian tradition of mathematical writing. The set when completed will be an...

Everest, the major motion picture from Universal Pictures, is set for wide release on September 18, 2015. Read The Climb, Anatoli Boukreev (portrayed by Ingvar Sigurosson in the film) and G. Weston DeWalt's compelling account of those fateful events on Everest.

In May 1996 three expeditions attempted to climb Mount Everest on the Southeast Ridge route pioneered by Sir Edmund Hillary and Tenzing Norgay in 1953. Crowded conditions slowed their progress. Late in the day twenty-three men and women-including expedition leaders Scott Fischer and Rob Hall-were caught in a...