Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
permafrost
Table of Contents
References & Edit History Quick Facts & Related Topics
Images & Videos
Taymyr Peninsula subarctic and Arctic regions
How global warming increases the likelihood of avalanches
methane blow thermokarst and melting permafrost pingo
For Students
permafrost summary
Quizzes
Iceland, Glacier lagoon (Jokulsarlon)
Winter Weather Words Quiz
Discover
Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)
Cruel and Unusual Punishments: 15 Types of Torture
The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590
The Lost Colony of Roanoke
In this aerial photo, structures are damaged and destroyed October 15, 2005 in Balakot, Pakistan. It is estimated that 90% of the city of Balakot was leveled by the earthquake. The death toll in the 7.6 magnitude earthquake that struck northern Pakistan on October 8, 2005 is believed to be 38,000 with at least 1,300 more dead in Indian Kashmir. SEE CONTENT NOTES.
6 of the World’s Deadliest Natural Disasters
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Data analysis of the Super Bowl's "winningest" teams, game locations, MVP winners by position, teams with the most game losses. football, sports, infographic
From Sport to Spectacle: The History of the Super Bowl
Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson
Vietnam War Timeline
bird. mourning dove. pigeon and dove. Mourning Dove (Zenaida macroura) family Columbidae.
Nikola Tesla's Weird Obsession with Pigeons

permafrost: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/permafrost
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Facts

Also Known As ground ice

Photos and Videos

Taymyr Peninsula
subarctic and Arctic regions
methane blow
thermokarst and melting permafrost
pingo
How global warming increases the likelihood of avalanches
See All Videos and Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Related Quizzes and Features

Quiz
Iceland, Glacier lagoon (Jokulsarlon)
Winter Weather Words Quiz