Surface Waters / Wetlands | 9 | |
Weather | 5 | |
Ocean / Sea | 4 | |
Land | 3 | |
Groundwater | 1 | |
Land Mammals | 1 | |
Microbes | 1 | |
Plants / Kelp | 1 |
Ice / Snow Change | 4 | |
Extreme Temperature | 2 | |
Flooding / Draining | 2 | |
Erosion | 1 | |
Extreme Precipitation | 1 | |
Permafrost Change | 1 | |
Pollution | 1 | |
Unusual Range / Sighting | 1 | |
Seasonal Timing | 1 | |
Storm Surge | 1 |
1 | 2 | 3 | 2 | 1 |
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1 | 1 | 1 | 2 | 1 | 3 |
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FALL | 4 | |
SUMMER | 4 | |
SPRING | 1 |
United States | 5 | |
Germany | 1 | |
Norway | 1 |