Ocean / Sea | 2 | |
Land | 1 |
Ice / Snow Change | 4 | |
Erosion | 1 | |
Extreme Temperature | 1 | |
Flooding / Draining | 1 | |
Permafrost Change | 1 | |
Seasonal Timing | 1 |
2 | 1 |
|
|
2 | 1 |
|
|
SPRING | 2 | |
FALL | 1 |