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Global Outlook for Ice and Snow
Photographs
Chapter 7: Frozen Ground
Permafrost thawing caused differential settlement in the foundation of this apartment building in the Russian republic of Yakutia. The building partially collapsed only days after the first cracks appeared in the walls - V. Romanovsky
A thermokarst depression in Fairbanks, Alaska. Ground ice melted, creating a void within the ground - V. Romanovsky
Thermokarst effect on railway tracks - US Geological Survey
Effect of thawing of ice-rich permafrost in Alaska - V. Romanovsky
Permafrost thawing along the Kolyma River, Siberia - V. Romanovsky
A house built on concrete blocks to allow cold air under the house during the winter, north of Fairbanks, Alaska - Vladimir Romanovsky
Methane bubbles trapped in a lake ice. The study of the pattern of bubbles in the lake ice led to the estimation of the amount of methane emission from thermokarst lakes in Siberia to be five times higher than previously estimated - Katey Walter
Methane bubbles trapped in a lake ice. The study of the pattern of bubbles in the lake ice led to the estimation of the amount of methane emission from thermokarst lakes in Siberia to be five times higher than previously estimated - Katey Walter
Morenas Coloradas rock glacier, Argentina - D. Trombotto
Rock glacier in the Northern Tien Shan Mountains of Central Asia. Such glaciers have a phenomenon of actively creeping, ice-rich mountain permafrost under a cover of debris - Sergei Marchenko