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Ozone Holes Over Antarctic and Arctic Are Not Catastrophic
18.01.2007 12:33
Ozone Holes Over Antarctic and Arctic Are Not Catastrophic

Russian scientists detected negative trend of total ozone content or some systematic depletion in Earths atmosphere over both polar areas for last 30 years. However, due to monitoring data, variability of ozone layer in Arctic is substantively lower than in Antarctic. Differences in general ozone content of North and South polar areas are most evident in spring. When spring approaches, ozone content in atmosphere over Antarctic lowers significantly, it means that anomaly grows in this period.
      Scientists emphasized that during last thirty years average yearly temperature of Arctic air increased on 1,3 degrees C. The most "warm" year within this period was 2005 with temperature abnormality of 1,8 degrees C.
      In 2006 Russian polar explorers detected significant temperature abnormalities northwards from 70 degrees north latitude. This is mostly the area of North- European basin and Canadian Arctic Islands.
      Russian scientists had also detected "steady warming" through last 30 years. On South Pole most of the warming was detected in cold season.
      Source: Science and Life


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