This year among the ten hottest years according to the World Meteorological Organization (WMO), taking the bottom line in the list, which is compiled since 1850.
The air temperature was 0.41 degrees higher than the average for 1961-1990. "The concentration of greenhouse gases in the atmosphere has reached new records. They are very rapidly approaching a level that leads to an increase in global average temperatures by 2-2.4 degrees. Scientists fear that this could cause far-reaching irreversible changes of the Earth, the biosphere and oceans, "- said the head of WMO, Michel Jarraud summit in Durban, South Africa.
It should be borne in mind that this year a significant cooling effect on Earth's climate has had a phenomenon Southern Oscillation, or El Niño, which is recognized as the most powerful in the last 60 years. It is guilty of occurrence of drought in East Africa, the southern United States and the islands of the Central Equatorial Pacific, as well as the floods in southern Africa, eastern Australia and southern Asia. The average years marked El Nino, a 0.1 -, 015 degrees colder remind scientists.
They also record significant temperature deviations from the norm in Russia, but did not indicate whether they were caused by Southern Oscillation. Reported only that the northern regions of Russia temperatures in January and October were on average 4 degrees above normal. The thickness of the ice cover in the Arctic was 35% lower than the average in 1979-2000, barely losing record in 2007. The big difference this year was a record length of navigation along the Northern Sea Route.
Overall, since 2002, should be considered as the hottest of all time weather observations, the researchers note. 13 of 15 temperature records set in 1997. Prospects for cooling and changing dynamics of the rating can not see.