Major temperature rise recorded in Arctic

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Major temperature rise recorded in Arctic

- see also our alert on the Clean_Sky list, dated 25th August 2004: Breaking up of the North Pole

 

Major temperature rise recorded in Arctichttp://www.abc.net.au/news/newsitems/200408/s1187058.htmAugust 28, 2004German scientists probing global warming say they have detected a major temperature rise in the Arctic Ocean this year and linked it to a progressive shrinking of the region's sea ice.Temperatures recorded this year in the upper 500 metres of sea in the Fram Strait - the gap between Greenland and the Norwegian island of Spitsbergen - were up to 0.6 C higher than in 2003, they said. The rise was detectable to a water depth of 2,000 metres, "representing an exceptionally strong signal by ocean standards," it said.The experts, from the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, have been recording temperatures aboard a specialised vessel, Polarstern (Pole Star), for the past six weeks. The sampling has been taking place in the West Spitsbergen Current, which carries warm water from the Atlantic into the Arctic Ocean.The institute said water in the Fram Strait has been warming steadily since 1990 and over the past three years, satellite images had documented "a clear recession" of sea ice edges, both in the strait and the Barents Sea. The latest data "point towards a further warming tendency," the institute said.

In June, a UN organisation announced that American scientists had detected an "alarmingly rapid growth" this year in airborne concentrations of carbon dioxide (CO2), the fossil-fuel pollutant blamed for global warming. CO2 levels recorded in March 2004 at Hawaii measured 379 parts per million (ppm), an increase of three ppm over the previous year. By comparison, there had been an annual increase of only 1.8 ppm over the past decade.Atmospheric concentrations of CO2 before the Industrial Revolution were 280 ppm.The June announcement was made at a conference on renewable energies in Bonn by Joke Waller-Hunter, executive secretary of the UN Framework Convention on Climate Change (UNFCCC) - the United Nations' paramount environment accord. CO2 is the most important of the six "greenhouse" gases blamed for driving changes to the world's delicate climate system.These gases hang like an invisible shroud in the atmosphere, trapping the sun's heat and inflicting what many scientists predict will be serious changes to icecaps, glaciers and weather patterns.In the earth's distant past, climate change has occurred naturally, by emissions of CO2 disgorged by volcanoes and other phenomena.

But the overwhelming majority of climate experts say CO2 levels are rising fast today because of the unbridled burning of oil, gas and coal. Opinions differ, though, as to how fast the effects will occur and how bad they will be.-----------ECOTERRA Intl. ---------------------- Do you want to read or distribute a message in another language? Just go to the free translation sites: http://www.tranexp.com:2000/InterTran/or (better, but free registration is required) http://www.systransoft.com/ or to Altavista Babelfish http://www.babelfish.altavista.com/babelfish/tr or http://www.t-mail.com/t-text.shtml for engl., russian or koreanor Freetranslator http://www.freetranslation.com/ or check for arabicand african automated translators at http://www.bisharat.net/Trans/ orthe Google Language Tools http://www.google.com/language_tools?hl=en and have the translation done free of charge. Look for othertools at http://www.omniglot.com/links/translation.htm.But, please, still keep the reference to the source and note in your distribution that the text is only an automated translation, while the original can be obtained from ECOTERRA. Thank you! ----------------------

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