来自MSN1 个月
Why are Americans obsessed with a white Christmas? Blame Dickens and the Little Ice Age.
Americans are obsessed with a white Christmas and all the trimmings – snow, icicles, sleigh rides, frost on windowpanes, cuddling up by the fire, mittens, the North Pole. Christmas is a ...
Nature5 年
Abrupt Climate Change During the Last Ice Age
Therefore, the presence of the Rocky Mountains in North America forces the jet stream ... Dansgaard/Oeschger Cycles and the Little Ice Age," In Mechanisms of Global Climate Change at Millennial ...
CBC.ca7 年
From dire wolves to giant bears: Meet the North American animals of the ice age
A strange cast of ferocious predators and giant herbivores lived here during the ice age. Graham Duggan Most archeologists agree that human beings reached North America 14,000 years ago ...
Phys.org25 天
Rockfall frequency from French mountains has doubled since Little Ice Age
The Little Ice Age was a period of significant cooling from ... However, what I can say is that the north faces and rockwalls, even higher in altitude than those studied, are suffering the ...
来自MSN2 个月
Archaeologists discover key tool that helped early Americans survive the ice age
humans could not walk across the land bridge between Siberia and North America, a dry corridor that was exposed by low sea levels as the climate became colder toward the end of the last ice age ...