Some facts and some not so much facts

8 April 2021
Climate change

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Meanwhile, at… … in a so called record year of warming, according to climate scientists that is, we learn that France is to declare an agricultural disaster as a result of spring frosts. Vineyards had been hit and early crops of beet and rape seed, apparently. I thought the latter were part of the cabbage family and pretty frost resistant, In the UK rape seed is planted in the autumn and manages to survive a lot of cold winter  nights. Perhaps the French have a less resistant type of rape plant – but it is doubtful. Can’t think of any other crop that might be affected by frost, apart from fruit trees [cherries and plums for example] as well as grape plants – in the south of France, and presumably in Germany as well. Grapes in the UK have not broke bud as yet so no problem. Not only that but spring frosts are a common occurrence in the UK, even in the southern counties. However, in the Rhone Valley in SE France that might be different – and bottles of wine from that region come with a big price tag. Lots of sun shine in the course of a year. Wine makers are out there lighting small fires and candles underneath the vines in order to try and thwart the effects of frost – and the same applies to fruit trees. So much for global warming and so much for climate models. Snow in parts of Scotland and in eastern Europe.

At… … we learn that abrupt changes in climate during the last ice age were remarkable. When compared to modern climate change, one degree in 140 years, since 1880, they are phenomenal. Temperatures recorded in ice cores on Greenland oscillated between 5 and 16 degrees in a matter of decades. Climate change in the last ice age dwarfs modern climate change – even the models running hot. The research is published in Nature Communications [April, 2021] – see … These are the so called Dansgaard Oeschger events when temperatures rapidly went up by as much as 6 degrees, in a matter of decades, before gradually falling back down again over a lengthy period. What caused these cyclic events is unclear. Books have been written about it over the last 40 or so years. Some 30 events have been catalogued during the last Ice Age. They occurred on a  regular basis but climate scientists are still in the dark about them.

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