Ice ages, long periods of reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and greenhouse periods, during which there are no glaciers on the planet.
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Continental glaciations |
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| General | |
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| Landforms | |
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| North America | | Canada | |
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United
States |
- Chippewa Moraine State Recreation Area, Wisconsin
- Coteau des Prairies, South Dakota
- Devil's Lake State Park, Wisconsin
- Glacial Lake Wisconsin, Wisconsin
- Glacial Lakes State Park, Minnesota
- Horicon Marsh State Wildlife Area, Wisconsin
- Ice Age Floods National Geologic Trail, Idaho, Oregon & Washington
- Ice Age National Scientific Reserve, Wisconsin
- Ice Age Trail, Wisconsin
- Interstate State Park, Minnesota & Wisconsin
- Kelleys Island, Ohio
- Kettle Moraine State Forest, Wisconsin
- Lake Bonneville, Utah
- Lake Lahontan, Nevada
- Lake Missoula, Montana
- Mill Bluff State Park, Wisconsin
- Oneida Lake, New York
- Two Creeks Buried Forest State Natural Area, Wisconsin
- Withrow Moraine and Jameson Lake Drumlin Field, Washington
- Yosemite National Park, California
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Eurasia and
Antarctica | |
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| Time periods | |
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Subcategories
This category has only the following subcategory.
