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NickB79

(19,243 posts)
Sat Nov 5, 2016, 10:00 AM Nov 2016

Soil could become a significant source of carbon dioxide

https://www.sciencedaily.com/releases/2016/11/161103142210.htm

If people continue using and changing the land over the next century in the same way they currently do, soils will have limited potential to counter the effect of climate change and will become a net source of atmospheric carbon dioxide, experts have warned.

Experts have forecast that a quarter of the carbon found in soil in France could be lost to the atmosphere during the next 100 years. This could lead to soil becoming a net source of carbon dioxide to the atmosphere. At present soil is considered to absorb carbon dioxide and this partially counters the impact of human-made climate change.

The pace and nature of predicted changes in climate over the next century will make the soil less able to store carbon, while business-as-usual land use change has limited capacity to counteract this trend, experts from the University of Exeter, INRA and CERFACS in France and University of Leuven in Belgium say in the journal Scientific Reports.

If, as predicted, soils lose a significant amount of their carbon this will endanger their ability to produce food and store water and this could lead to increased soil erosion and flood damage.


Hey look, another positive feedback loop firing up! Who would have thunk it?
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Soil could become a significant source of carbon dioxide (Original Post) NickB79 Nov 2016 OP
Whowouldhavethunkit? Lots and lots and lots of researchers. kristopher Nov 2016 #1

kristopher

(29,798 posts)
1. Whowouldhavethunkit? Lots and lots and lots of researchers.
Sat Nov 5, 2016, 12:24 PM
Nov 2016

There are 70 references for the paper, and probably several thousand (at least) on the topic of carbon and land use change. A number of them deal with the long term effects of climatic conditions on soil carbon levels.

You can read the full open access paper from Nature here:
http://www.nature.com/articles/srep35798

I've provided the list of references for your convenience.

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