permafrost
Example Sentences
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At the same time, warming is destabilising permafrost - permanently frozen ground that can thaw as temperatures rise - and high mountain slopes, increasing the possibility of cascading hazards, the report says.
From BBC ● Sep. 13, 2026
Vanishing ice and permafrost make glaciers more prone to snapping and the underlying bedrock more likely to fracture.
From The Wall Street Journal ● Sep. 9, 2026
Changes in temperature, moisture and permafrost may have weakened fractures in the exposed rock, while water entering cracks could have helped destabilise the slope.
From Barron's ● Sep. 4, 2026
"The logic is that with a warming planet, you will see shrinking glaciers, lots of snow melt. The permafrost that is partially holding some mountainsides together is warming and thawing and degrading."
From BBC ● Aug. 27, 2026
Because the frozen permafrost was just a half meter beneath the active layer of soil, all the water on the tundra stayed near the surface.
From "Two Degrees" by Alan Gratz
Vocabulary lists containing permafrost
Physical Geography - Introductory
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Physical Geography - Middle School
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Physical Geography - High School
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