Weather | 19 | |
Ocean / Sea | 13 | |
Surface Waters / Wetlands | 13 | |
Land | 9 | |
Plants / Kelp | 2 | |
Marine Mammals | 2 | |
Air | 1 | |
Birds | 1 | |
Land Mammals | 1 |
Ice / Snow Change | 46 | |
Seasonal Timing | 13 | |
Permafrost Change | 4 | |
Extreme Temperature | 2 | |
Rain on Snow | 2 | |
Glacier Change | 1 | |
Landslide / Avalanche | 1 |
4 | 3 | 4 | 12 | 5 | 2 | 3 | 1 | 2 | 3 | 7 |
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SPRING | 21 | |
WINTER | 14 | |
FALL | 6 | |
SUMMER | 5 |
United States | 29 | |
Canada | 4 | |
Greenland | 1 |