How much do we know about Stonehenge? Less than we think. And what has Stonehenge got to do with the Ice Age? More than we might think. This blog is mostly devoted to the problems of where the Stonehenge bluestones came from, and how they got from their source areas to the monument. Now and then I will muse on related Stonehenge topics which have an Ice Age dimension...
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Tuesday, 14 February 2017
Hardangerjokul -- on the way out......
This is a fantastic oblique image of Hardangerjokul in Norway. As we can see, it is a perfect plateau ice cap, with just one outlet glacier that has shrunk do much that it no longer drops over the trough head near the left edge of the photo. The ice in the centre of the ice dome is still about 300m thick, but the highest point on the ice cap has dropped by 15m since 1925, and the edge is retreating at a dramatic rate every year. The Norwegian weather service is now predicting that the ice cap will melt away completely within 50 years, if the current rate of climate warming continues.......
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