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CONTENTS of entire timeline

CONTENTS of 1,000,000 BC- 8,001 BC: The peopling of the prehistoric Americas and the extinctions of the American megafauna

This page last updated on or about 10-13-05
a - j r m o o n e y h a m . c o m - o r i g i n a l


Approximately 128,000 BC - 108,000 BC: The Earth enjoys a warm but stormy interglacial span (the Eemian period) and the Bering land bridge is submerged

The Eemian period possesses two phases: the first 12,000 years are relative stable and cozy in terms of climate and temperature while the remainder retains much warmth even as the north american ice sheets gradually grow larger again, presaging the later decline back to much colder temperatures. The second phase may well have been marked by monstrous storms, due to its unusual conditions.

Thus, North America may be suffering terrific storms during the period between 116,000 BC and 108,000 BC. Note that in many cases (especially towards the end of this period, and/or in the more northern regions), these storms are horrific blizzards, laying down snow to form the advancing glaciers of the new Ice Age.

-- "In Ancient Ice Ages, Clues to Climate" By WILLIAM K. STEVENS, 2-16-99, The New York Times

The last major break between Ice Ages was somewhere around 128,000 BC- 114,000 BC, lasting for roughly 14,000-20,000 years, depending on how you define the conditions (up to twice as long as the current period circa 2000 AD so far). Ice Ages can also begin and end pretty abruptly, and with perhaps little warning.

-- Essay: Climate Future Told Through Mud ["http://www.discovery.com/news/briefs/20000214/weather_interglacial.html"] By Larry O'Hanlon, Discovery.com News, February 15, 2000

So far as is known circa March 2000, there are no human predecessors living in northern North America at this time.

Note that global sea levels now are likely near the same as circa 1999 AD (or slightly higher), thereby insuring that land links such as the Bering landbridge (and many islands) are submerged. The greater southeast asian peninsula is also in large part underwater, presenting something a bit smaller than its circa 1999 AD incarnation to surface observation.

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