Soil erosion is unlikely to drive a future carbon sink in Europe

Lugato, Emanuele and Smith, Pete and Borrelli, Pasquale and Panagos, Panos and Ballabio, Cristiano and Orgiazzi, Alberto and Fernandez-Ugalde, Oihane and Montanarella, Luca and Arwyn, Jones. (2018) Soil erosion is unlikely to drive a future carbon sink in Europe. Science advances, 4 (11). eaau3523.

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Official URL: https://edoc.unibas.ch/67601/

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Understanding of the processes governing soil organic carbon turnover is confounded by the fact that C feedbacks driven by soil erosion have not yet been fully explored at large scale. However, in a changing climate, variation in rainfall erosivity (and hence soil erosion) may change the amount of C displacement, hence inducing feedbacks onto the land C cycle. Using a consistent biogeochemistry-erosion model framework to quantify the impact of future climate on the C cycle, we show that C input increases were offset by higher heterotrophic respiration under climate change. Taking into account all the additional feedbacks and C fluxes due to displacement by erosion, we estimated a net source of 0.92 to 10.1 Tg C year −1 from agricultural soils in the European Union to the atmosphere over the period 2016-2100. These ranges represented a weaker and stronger C source compared to a simulation without ...
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Geowissenschaften > Umweltgeowissenschaften (Alewell)
UniBasel Contributors:Borrelli, Pasquale
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:17 Sep 2020 10:02
Deposited On:17 Sep 2020 10:02

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