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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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What about the report from northern Alaska where the average temperatures
had risen 8C over the last forty years resulting in the thawing of the permafrost. Apparently this 'permafrost' until now, had been frozen since before the last ice-age. They are having to move a whole town because the land is now eroding away. _______________________________ Nick Worcester 45 AMSL "Shaun Pudwell" wrote in message ... I agree with all that's been said. I will also add that I didn't think much of the talk on Greenland's ice sheet. What they failed to mention, is that the interior temperatures of Greenland have been steadily falling. It's only the coastal areas that are warming, likely due to changes in wind and ocean circulation and possibly, nothing to do with global warming. Several other area's within the Arctic Circle have recorded less sea ice but substantially more snow. The other side of the coin is that the Hadley Centre don't just have one single model. They have several, some of which show a very dramatic and severe cooling of Western Europe, similar to that of the "Little Ice Age" and that is based on a weakening of the Thermohaline Circulation and a freshening of the seas in the North Atlantic region. A measurable reduction has already been detected within the THC and therefore, one has to conclude that: A. This trend will continue and B. At some point in the next 20 - 50 years, this country will experience much colder winters, irrespective of what happens in the rest of the world! Shaun Pudwell. "Lawrence" wrote in message ... Norman. I was watching this morning the BBC breakfast news coverage of the global warming topic. Their news man Bill Turnbull was talking live from Kew gardens and then supposedly linked to a colleague in the Maldives. The whole tone of his report was "when sea levels rise" "in fifty years from now the sea would be over my head" and so on. In fact there wasn't one piece of objective evidence that the sea had risen at all. As far as I can ascertain sea levels for that area in the Indian Ocean have shown no appreciable rise in twenty years. I am prepared to be contradicted though. Back to the news item, I was expecting the journalist to be showing evidence of how far the sea level had risen but there was nothing but this bold statement that it will rise by as much as aprrox 6ft in fifty years! "Norman Lynagh" wrote in message ... News24 have been running a lot of programming on climate change today. I've only seen some snippets but I haven't been very impressed by some of what the "experts" have been saying. For example, one of this country's leading scientists in the subject has just said that the amount of greenhouse gases in the atmosphere has increased by 40 percent since the industrial revolution. I have no idea what the true figure is but, bearing in mind that the main greenhouse gas by volume is water vapour, that figure of a 40 percent increase must surely be wrong. He was probably referring to gases other than water vapour but that's not what he said and it does make a big difference. My main gripe is that most of the "experts" are being very positive about what "will" happen, even down to quite precise regional detail. There's not a lot of uncertainty being expressed. The theme seems to be that "our models show that this will happen and we are confident that our models are accurate". If only it were that simple :-( Norman. (delete "thisbit" twice to e-mail) -- Norman Lynagh Weather Consultancy Chalfont St Giles England |
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