Are Ice Age Cycles of the Northern Hemisphere Driven by Processes in the Southern Hemisphere?
Viewpoint: Yes, ice age cycles of the Northern Hemisphere are driven by complex forces in the Southern Hem...
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Ice Ages
The ice ages were periods in Earth's history during which significant portions of the earth's surface were covered by glaciers and extensive fields of ice. Scientists often use ...
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Ice Age
Ice age usually refers to the Pleistocene epoch, the most recent occurrence of continental glaciation. Beginning several million years ago in Antarctica, it is marked by at least four major ad...
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Ice Age Refugia
The series of ice ages that occurred between 2.4 million and 10,000 years ago had a dramatic effect on the climate and the life forms in the tropics. During each glacial period the tro...
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The Discovery of Global Ice Ages by Louis Agassiz
Overview
Today, the concept of thick ice sheets covering large portions of the globe is a familiar one. We now know that ice sheets advance and retrea...
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Are Ice Age Cycles of the Northern Hemisphere Driven by Processes in the Southern Hemisphere
Ice Ages
Ice Age
The Discovery of Global Ice Ages by Louis Agassiz