Permafrost Change | 2 | |
Seasonal Timing | 2 | |
Unusual Size / Abundance | 1 | |
Erosion | 1 | |
Extreme Temperature | 1 | |
Pollution | 1 | |
Ice / Snow Change | 1 |
Cultural Impact | 4 | |
Food Security | 3 | |
Burial Site | 1 | |
Economic Impact | 1 | |
Human Health | 1 | |
Buildings | 1 | |
Transportation | 1 |
1 | 1 | 1 |
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1 | 2 |
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FALL | 2 | |
SPRING | 1 |