12. permafrost distribution and climate

Periglacial areas
You should be able to describe and explain the different locations of continuous, discontinuous and sporadic permafrost
You should be able to describe and explain the different climates in these 3 zones.

Changes in the permafrost layer in Northern Canada 1. Define the key terms around the digram below 2. Describe and explain the changes in the cross section below.

Changes in the permafrost layer in Northern Canada (map of area shown on section) Pacific Ocean Hudson Bay Arctic Ocean Canada USA USA (Alaska)

Draw the graphs on Excel for these 3 areas in Canada. Add them to your map of Canada and state if they are from zones of continuous, discontinuous or sparadic permafrost

Analyse the graph below

Review How would these patterns change over time and space? When does glaciation end and periglaciation begin? Are the actions of a thawing glacier glaciation or periglaciation?

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12. permafrost distribution and climate

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