Permafrost Flashcards
1
Q
What is permafrost?
A
Permafrost is permanently frozen soil
2
Q
The active layer of permafrost is the ?
A
Top layer that thaws during the summer which allows plants to grow. It then freezes again in the winter
3
Q
How does climate change affect permafrost ?
A
The Permafrost MELTS !!
4
Q
When permafrost melts it can cause ?
A
1) the ground to become soft/ mushy which damages buildings
2) more plants to grow causing a increase in animal population, which increases the greenhouse affect. ( more release of carbon dioxide and methane )