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Losses of soil carbon under climate warming might equal US carbon emissions #auspol 

jpratt27

Map of predicted changes in soil C stocks by 2030-50 due to a 1°C rise in global average temperature. The darker red the color, the greater the carbon loss.

Image courtesy of the researchers
A new global analysis finds that warming temperatures will trigger the release of trillions of kilograms of carbon from the planet’s soils into its atmosphere, driven largely by the losses of soil carbon in the world’s colder places. The increase in the atmospheric CO2 concentration will accelerate the pace of climate change.

For decades, scientists have speculated that rising global temperatures might reduce the ability of soils to store carbon, potentially releasing huge amounts of carbon into the atmosphere and triggering runaway climate change. Yet dozens of studies at single locations in different places around the world have produced mixed signals on whether this storage capacity will actually decrease—or even increase—as the planet warms.

A new…

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December 1, 2016 - Posted by | Uncategorized

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