By William James Burroughs
This publication is thoroughly written with the entire right citations regular of a tutorial textual content. i discovered the writer to be ordinary approximately what he is aware and the way he understands it. additionally, Burroughs isn't afraid to inform you while he's speculating instead of interpretations according to clinical proof. finally the ebook is a brilliant learn. i like to recommend it to an individual attracted to the weather that early homo sapiens advanced in.
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Additional info for Climate Change in Prehistory: The End of the Reign of Chaos
This simplified view of the past underpins a set of popular images of last ice age. In these icy periods, which gripped the world for tens of thousands of years, mammoths were seen trudging through a never-ending snowscape, across which blizzards raged, while in the background the ominous edge of a permanent ice sheet lurked. As for our predecessors, any of them who were tough enough to survive in these frigid wastes lived in caves, hunted the huge beasts that roamed these regions, and wore an assortment of animal skins in a vain attempt to keep out the cold.
There was, however, a temporary interruption. 25 kya. Originally discovered in northwestern Europe, this brief cold episode is clearly seen in the Greenland ice cores and in some North Atlantic marine records, and somewhat less extensively in eastern North America. When viewed on a global basis there are a number of odd features about the end of the last ice age. Around Antarctica there is little evidence of the dramatic ups and downs that marked the emergence of the northern hemisphere from the icy grip of the glacial.
A major international study (CLIMAP) in the 1970s concluded that temperatures were much closer to current figures and over some of the tropical oceans there might even have been warmer conditions (CLIMAP Project Members, 1976; CLIMAP, 1981). The fact that the magnitude and even direction of temperature change was different between different latitudes came as a surprise. The largest inferred changes were in the mid-to-high latitudes, especially in the North Atlantic region bordered by large ice sheets.