Younger Dryas Maximum (1 janv. 10900 av. J.-C. – 1 janv. 9700 av. J.-C.)
Description:
Northern ice reaches it's Glacial Maximum. A sharply colder period in what was a general rise in temperature after the end of the last Ice Age. The downturn is thought to have started abruptly ~10900 BC, reaching a depth of cold ~ 10500 BC, when average temperatures are thought to have been: mid-winter, -16 to -20degC [ at least 15C below modern values - a truly dramatic fall ] and high-summer, 8 to 12degC, about 4C below modern values.
Ajouté au bande de temps:
Date:
1 janv. 10900 av. J.-C.
1 janv. 9700 av. J.-C.
~ 1200 years