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
As permafrost degrades, glacial lake outbursts and rock-ice avalanches are expected to increase, producing faster, debris-laden floods that are harder to forecast.
From BBC ● Sep. 3, 2026
"There is an overwhelming amount of firsthand documentation indicating that dam-building compounds the glacial melt and permafrost melt already underway from warming," Tikos added.
From Barron's ● Sep. 1, 2026
The tundra had once been covered in a permanent layer of hard frozen soil, called permafrost.
From "The Wild Robot Protects" by Peter Brown
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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