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Climate Change over Millions of Years
An EET Chapter
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How do scientists get cores from the Ocean Floor?
Click here for a website by Columbia University
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How has the climate of Antarctica changed?
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Ocean Cores from Cruises
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Foraminifera Warm water life forms found near Antarctica
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Choosing a core to examine
million years old Away from plate boundaries, earthquakes
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Data from Core
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Warm water foraminifera near Greenland
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No ice caps 57 Million Years ago, there were no ice caps!
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Was this warming event global?
Warm water foraminifera found near Southern Africa, Antarctica, Greenland, Washington state etc (cold waters today) This was a global warming event, not a local occurrence
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Summary Climate change has been occurring for millions of years
A global warming event similar to what scientists are discussing today occurred 57 millions years ago This global warming event wiped out 30-50% of certain plankton, but others thrived Life on land was not negatively affected
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