It is already above the threshold of atmospheric carbon dioxide - TopicsExpress



          

It is already above the threshold of atmospheric carbon dioxide concentration Source: MTI | 01 14 2015 20:10:00 Just started the year, but now the 400 ppm (parts per million by volume) shows a value above the threshold level atmospheric concentration of carbon dioxide, which experts conclude that up to several months remain in the indicators above the threshold. According to the Scripps Institution of Oceanography in California operating data of the concentration of carbon dioxide in the atmosphere has been exceeded on 1 January of 400 ppm, and on January 3 and 7, I have densities above the limit because the professional - the educational portal LiveScience was read . The daily averages remained close to the limit, until Jan. 9, and changes daily depending on the weather conditions caused still expected to move in around 400 ppm. According to experts, even likely to be many months with these fluctuations in 2015, when the global concentration exceeds the symbolic level of 400 ppm. The Earth. (Photo: NASA) of the Earth. (Photo: NASA) The researchers found that in May 2013 was the first threshold crossing, which had to wait until March 2014. Last March, April and June, a monthly average CO2 concentrations above 400 ppm have been reported. Last year was a record in May, then 402 ppm ratio measured by professionals. The Earths atmosphere carbon dioxide content was approximately 280 ppm before the industrial revolution. The planets vegetation is only for a limited amount of carbon dioxide in the atmosphere can absorb a certain time of the year, while the rate of human emissions continue to increase. This results in about 2 ppm per year of carbon dioxide in the atmosphere in surplus, which means that the supersaturation will occur earlier and earlier. According to experts, will move to the atmospheric carbon dioxide concentration throughout the year roughly around 400 ppm within one to two years.
Posted on: Thu, 15 Jan 2015 10:37:06 +0000

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