Archived web news
Year: 2012
Riddle of the abrupt climate changes during the Ice Age
During the last Ice Age, steep rises in temperature occurred in the North Atlantic area at least 20 times, with increases of up to 15 degrees Celsius. But each time the cold temperatures returned. The explanation for the increases in temperature seems to be that as the air and ocean surface became colder and colder, the deep ocean became warmer and warmer. (01/02/12).
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The Arctic might be at a tipping point
Major climate changes are occurring in the Arctic. The air temperature is increasing two to four times faster than the global average, and this is why the Arctic is where we can expect the first and greatest changes in the ecosystem. The question is whether this will occur gradually or if we will see an abrupt regime shift. (03/01/12).
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