The first-ever study of air trapped in the deep snowpack of Greenland has yielded surprising results. Current computer models had predicted that levels of carbon monoxide locked into the snowpack would be higher than those recorded in the 1950s, yet it appears that the opposite is true.
A recent paper published in the journal Atmospheric Chemistry and Physics has shown that CO levels rose slightly from 1950 until the 1970s, then declined strongly to present-day values. These findings contradict computer models that had calculated a 40 percent overall increase in CO levels over the same period.
A recent paper published in the journal Atmospheric Chemistry and Physics has shown that CO levels rose slightly from 1950 until the 1970s, then declined strongly to present-day values. These findings contradict computer models that had calculated a 40 percent overall increase in CO levels over the same period.
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