South Georgia

18 Mar 2017

At ... South Georgia achieved fame in the 1970s when it became involved in the Falklands war. In this instance a paper in Nature Communications says South Georgia was covered in ice during the Late Glacial Maximum. Ice also extended well beyond the island according to the team of researchers that investigated the area in ice breakers. They also found the ice was sensitive to short lived cooling and warming events - growing and shrinking dramatically as the climate changed.

Delving into the comments it seems most people did not react with any surprise as the general assumption was that if ice sheets grew in the northern hemisphere so they must have grown in the southern hemisphere. This just goes to show how ingrained the idea of vast ice sheets are in the public mind. As we now know the ice sheet was more or less confined to NW northern Europe and NE North America, with possibly an extension westwards (which has been questioned) the possibility is that a pole shift event coincided with the end of the LGM (and of course its beginning around 30,000 plus years ago). If this was so we would expect the south pole to also move and the discovery that South Georgia was buried under a deep ice sheet appears to support such a view.

There is another post at ... which takes a sceptical look at co2, the albedo effect, and radiative warming, all features of the climate models. The professor looks at a whole range of IPCC offerings on the greenhouse theory and why they are not reproducible to other scientists. A nice take down - but the media will blunder on unaware.