: Paléoclimatologie: Dark Ages Cold Period

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Dark Ages Cold Period

The beginning of the Subatlantic opened at the middle of the first millennium BC with the so-called Roman Warm Period which lasted to the beginning of the 4th century. This corresponds broadly to classical antiquity. This optimum is marked by a temperature spike centered around 2,500 BP. The cooling that followed (Dark Age Cold Period) coincides with the Migration Period. It was not very pronounced and of short duration – an average temperature drop of 0.2 °C and a winter temperature drop of 0.4 °C center around 350 AD (or 1,600 years BP). This climatic deterioration with the establishment of drier and cooler conditions might have forced the Huns to move west thus in turn triggering the migrations of the Germanic tribes. (Adapted from: https://en.wikipedia.org/wiki/Subatlantic)

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