Thursday, August 4, 2011
Will the oceans be able to absorb all of the CO2 we have emitted and will emit within the next century or so?
Giving that CO2 has been consistently raising on a yearly basis for decades now I don't believe that the carbon emitted by the use of anthropogenic means is being taken out of the air adequately. Especially given the fact that human emissions are greater than what the atmosphere is increasing by. One comes to the conclusion that although much of the carbon dioxide humans emit is being taken up by the oceans there is still roughly 50% of it that is not. One also comes to the conclusion that this increasing amount of human emissions year by year is the major cause of the rise in atmospheric CO2 concentration. As the southern ocean sink of CO2 has decreased between 1981 and 2004 by an estimated 0.08 petagrams of carbon per year per decade relative to the trend expected it's expected that that the ocean sink will be weaker by 2100.
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