Saturday, March 8, 2008

Antarctica cooling controversy and Global Warming

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You may not consider everything you just read to be crucial information about Antarctica cooling controversy. But don't be surprised if you find yourself recalling and using this very information in the next few days.

The Antarctica cooling controversy is known to focus mostly on the question of if the current trends of temperature in Antarctica tend to contradict the basic global warming theory as the observations reflect the trend of warming taking place even in the Peninsular regions. The global climatic trends in other places display the tendency of both warming up and cooling down but those are smaller and mostly tend to depend on the aspect of season changes and the time period as well and the general models of climate reflect that in Antarctica the climatic trends are minimal compared to the Arctic climatic trends.

The controversy on the whole is known to be confined to the press and blogs but there is no proof of the controversy in the scientific community but few data suggest that the Antarctic climatic data contradicts the general trend of global warming while few argue that there are no such contradictions.

According to the 4th report of the IPCC in 2007 the studies reflect the factor of warming in a pronounced form over the Antarctic Peninsula but there have been minimum alterations on the rest of the continent by the end of the 20th century. According to the statements of Chapman and Walsh the trends from 1958–2002 features the idea of warming in a very modest form and all the seasons reflect the trends of warming and the winter trends show +0.172°C decade-1 and the summer trends reflect +0.045°C decade-1. The trends mostly tend to vary due to the difference in dates of the analyses used by the various analysts and thus the trends vary on the grounds of either indicating towards warming or cooling and moreover numerous scientific trends have reported about the cooling trend in the last decades of 20th century in contrary to the Antarctic trend showing a cooling trend.

The public dispute about the Antarctica cooling controversy is known to have constituted a major part of the global warming controversy debate but contrary to the point of views in the press the evidence of any controversy in the scientific community is still not available. Few of the public commentators argue about the controversy about the anthropogenic global warming comment that this trend in cooling has been noticed in the interior of the Antarctica. The climate of Antarctica is known to be the coldest on earth and is also known to be equally dry and gets an average rainfall of 166mm rainfall yearly but on few parts of the continent the snow never melts yet there is controversy regarding the cooling or warming trends in the interior of the continent since the days of early 80s and this is different from the global tendencies that are seen in the other parts of the world. This controversy emerged due to the Theory of Anthropogenic Global Warming and few critics argue that the region of Antarctica has actually been cooling in the last few decades of 20th century.

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