Temperature sensitivity of soil carbon decomposition and feedbacks to climate change
Significantly more carbon is stored in the world's soils-including peatlands, wetlands and permafrost-than is present in the atmosphere. Disagreement exists, however, regarding the effects of climate change on global soil carbon stocks. If carbon stored belowground is transferred to the atmosph...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.1038.2495 2023-05-15T17:57:40+02:00 Temperature sensitivity of soil carbon decomposition and feedbacks to climate change Eric A Davidson Ivan A Janssens The Pennsylvania State University CiteSeerX Archives 2006 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1038.2495 http://web.utk.edu/%7Ensanders/eeb607/Davidson%20%26%20Janssens%20Nature%20440%20165%202006.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1038.2495 http://web.utk.edu/%7Ensanders/eeb607/Davidson%20%26%20Janssens%20Nature%20440%20165%202006.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://web.utk.edu/%7Ensanders/eeb607/Davidson%20%26%20Janssens%20Nature%20440%20165%202006.pdf text 2006 ftciteseerx 2020-06-28T00:13:52Z Significantly more carbon is stored in the world's soils-including peatlands, wetlands and permafrost-than is present in the atmosphere. Disagreement exists, however, regarding the effects of climate change on global soil carbon stocks. If carbon stored belowground is transferred to the atmosphere by a warming-induced acceleration of its decomposition, a positive feedback to climate change would occur. Conversely, if increases of plant-derived carbon inputs to soils exceed increases in decomposition, the feedback would be negative. Despite much research, a consensus has not yet emerged on the temperature sensitivity of soil carbon decomposition. Unravelling the feedback effect is particularly difficult, because the diverse soil organic compounds exhibit a wide range of kinetic properties, which determine the intrinsic temperature sensitivity of their decomposition. Moreover, several environmental constraints obscure the intrinsic temperature sensitivity of substrate decomposition, causing lower observed 'apparent' temperature sensitivity, and these constraints may, themselves, be sensitive to climate. Text permafrost Unknown |
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Significantly more carbon is stored in the world's soils-including peatlands, wetlands and permafrost-than is present in the atmosphere. Disagreement exists, however, regarding the effects of climate change on global soil carbon stocks. If carbon stored belowground is transferred to the atmosphere by a warming-induced acceleration of its decomposition, a positive feedback to climate change would occur. Conversely, if increases of plant-derived carbon inputs to soils exceed increases in decomposition, the feedback would be negative. Despite much research, a consensus has not yet emerged on the temperature sensitivity of soil carbon decomposition. Unravelling the feedback effect is particularly difficult, because the diverse soil organic compounds exhibit a wide range of kinetic properties, which determine the intrinsic temperature sensitivity of their decomposition. Moreover, several environmental constraints obscure the intrinsic temperature sensitivity of substrate decomposition, causing lower observed 'apparent' temperature sensitivity, and these constraints may, themselves, be sensitive to climate. |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Eric A Davidson Ivan A Janssens |
spellingShingle |
Eric A Davidson Ivan A Janssens Temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
author_facet |
Eric A Davidson Ivan A Janssens |
author_sort |
Eric A Davidson |
title |
Temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
title_short |
Temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
title_full |
Temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
title_fullStr |
Temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
title_full_unstemmed |
Temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
title_sort |
temperature sensitivity of soil carbon decomposition and feedbacks to climate change |
publishDate |
2006 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1038.2495 http://web.utk.edu/%7Ensanders/eeb607/Davidson%20%26%20Janssens%20Nature%20440%20165%202006.pdf |
genre |
permafrost |
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permafrost |
op_source |
http://web.utk.edu/%7Ensanders/eeb607/Davidson%20%26%20Janssens%20Nature%20440%20165%202006.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1038.2495 http://web.utk.edu/%7Ensanders/eeb607/Davidson%20%26%20Janssens%20Nature%20440%20165%202006.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766166151970160640 |