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Scientists search for artifacts in melting glaciers

Scientists search for artifacts in melting glaciers
trefwoorden: Alaska - gletsjer - artefacten
Researchers at the University of Colorado at Boulder continued their search in southeast Alaska last summer to pinpoint rapidly melting glaciers and ice fields that hold prehistoric human artifacts before exposure triggers their decomposition.
For thousands of years, humans hunted on the glaciers and ice fields that cover what is now the Wrangell-St. Elias National Park and Preserve in southeast interior Alaska. During the summer months these ancient ice fields attracted caribou and other animals seeking refuge from insect swarms that blanket Alaska during summer.
At the same time, humans hoping to feed their families visited ice fields with the goal of finding meat. Unfortunately for the ancient hunters, they dropped some of their tools, or perhaps missed when they shot their arrows or spears. Over time, those weapons and tools were encased in ice, until now.

Lees verder bij: Ascribe (14 oktober 2003)