Dark Ages Cold Period in North America

By | March 16, 2012




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One climatic cycle that has been found to occur throughout the globe during both glacial and interglacial periods alike is a millennial-scale oscillation that regularly alternates between warmer and colder intervals, the past two cycles of which have brought us the relative warmth of the Roman Warm Period[1], the relative coolness of the Dark Ages Cold Period[2], the heat of the Medieval Warm Period[3], the global chill of the Little Ice Age[4], plus the welcome warmth of the Current Warm Period. And considering the need to evaluate the climate of the modern era within the historical context of natural climate change, we here examine what researchers have learned about the Dark Ages Cold Period, specifically focusing on North America.

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