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Recent pause in the growth rate of atmospheric CO2 due to enhanced terrestrial carbon uptake [Nature Communications]

Keywords : attribution, carbon cycle, climate-change ecology

par Frédéric Magné - publié le

Terrestrial ecosystems play a significant role in the global carbon cycle and offset a large fraction of anthropogenic CO2 emissions. The terrestrial carbon sink is increasing, yet the mechanisms responsible for its enhancement, and implications for the growth rate of atmospheric CO2, remain unclear. Here using global carbon budget estimates, ground, atmospheric and satellite observations, and multiple global vegetation models, we report a recent pause in the growth rate of atmospheric CO2, and a decline in the fraction of anthropogenic emissions that remain in the atmosphere, despite increasing anthropogenic emissions.(...)

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