This site from Alyeska Pipeline defines permafrost and explains the various types of permafrost that can be found. The effect of permafrost on the building of the Alaskan Pipeline is examined.

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Concepts

permafrost

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Additional Tags

cold permafrost, continuous permafrost, discontinious permafrost, sporatic zone permafrost, thaw-stable permafrost, thaw-unstable permafrost, warm permafrost, alyeska pipeline: pipeline facts

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Classroom Considerations

Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)

View 8,247 other resources for 9th - 10th Grade Earth Science