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Bering Strait Influenced Ice Age Climate Patterns Worldwide
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Sunsettommy Offline
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Bering Strait Influenced Ice Age Climate Patterns Worldwide
Science Daily

Jan. 11, 2010

EXCERPT:

In a vivid example of how a small geographic feature can have far-reaching impacts on climate, new research shows that water levels in the Bering Strait helped drive global climate patterns during ice age episodes dating back more than 100,000 years.

The international study, led by scientists at the National Center for Atmospheric Research (NCAR), found that the repeated opening and closing of the narrow strait due to fluctuating sea levels affected currents that transported heat and salinity in the Atlantic and Pacific oceans. As a result, summer temperatures in parts of North America and Greenland oscillated between warmer and colder phases, causing ice sheets to alternate between expansion and retreat and affecting sea levels worldwide.

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01-23-2010 05:30 PM
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