Greenland Ice Cores Tell an Interesting Story
An ice heart with a layer of algae.
Ice middle data taken from southern Greenland between 1998 and 2004 recommend that the northern hemisphere climate swiftly flipped from a cold to a warm articulate at the end of the last ice age, with dramatic changes in atmospheric occasion in as little as a single year, according to a on from the University of Copenhagen, which was just published in the minutes Science.
The findings were based on dust, oxygen and hydrogen found in the Greenland ice cores active as far back as a million years ago.
There were two huge temperature spikes in the northern hemisphere at the end of the last ice age....
--The first spear occurred 14,700 years ago with a enormous 12 degree celsius (21.5 F) climb in just over 50 years!
--There was a b spike about 11,700 years ago after another absolutely period.
According to the report, scientists are vexing to find out if such abrupt changes could be triggered by greenhouse gas emissions today.
From the Reuters article...........
We conscious abrupt climate change happens," said Jim Cadaverous, a paleoclimatologist at the University of Colorado at Boulder in the Agreed States, who worked on the study. "We don't remember why it happens and we don't know what to look for as a first old warning."
Source: Global Warming
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