Erosion | 4 | |
Permafrost Change | 3 | |
Debris / Trash | 1 | |
Sea/Land Level Change | 1 | |
Sinkhole / Crater | 1 | |
Ice / Snow Change | 1 |
1 | 1 | 2 |
|
|
|
SUMMER | 3 | |
SPRING | 1 |