Vol. XIX, No. 3 (July – September 2015)

CONTENTS

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BASIC PROBLEMS OF GEOCRYOLOGY

• Golubchikov Yu.N. Contemporary periglacial environment and its humanitarian and geographic features
  

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PROPERTIES OF ICE AND FROZEN GROUND

• Badu Yu.B. Ice content of cryogenic strata (permafrost interval) in gas-bearing structures, Nortern Yamal
  

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• Epifanov V.P. Modeling recrystallization of basal ice in glaciers
  

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PHYSICOCHEMICAL PROCESSES IN ICE AND PERMAFROST

• Abramova V.A., Parshin A.V., Budyak A.E. Nitrogen compounds in chemical weatheringof permafrost: constraints from thermodynamic modeling
  

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• Gurinov A.L., Lukashov A.A., Rogov V.V., Kurchatova A.N., Lebedeva-Verba M.P. Weathering of the Adun-Chelon granite, Transbaikalia
  

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THERMOPHYSICAL PROCESSES IN THE CRYOSPHERE

• Dyukarev E.A. Influences of air temperature and snow cover on the seasonally frozen soil layer characteristics
  

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• Fedorov V.М. Trends of the changes in sea ice extent in the Northern Hemisphere and their causes
  

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• Perlshtein G.Z., Tipenko G.S., Levashov A.V. Prospects of atmospheric heat utilizationin permafrost territories
  

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HYDRATE FORMATION

• Yakushev V.S. Genetic types of hydrocarbon gases in the permafrost strata