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Agricultural soil erosion and global carbon cycle : controversy over?

Kuhn, N. J. and Hoffmann, T. and Schwanghart, W. and Dotterweich, M.. (2009) Agricultural soil erosion and global carbon cycle : controversy over? Earth surface processes and landforms, Vol. 34. pp. 1033-1038.

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Official URL: http://edoc.unibas.ch/dok/A5249672

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Abstract

Recent research on the contribution of soil erosion on agricultural land to atmospheric carbon dioxide (CO2) emphasizes either the contribution of soil organic matter (SOM) mineralization during transport as source for atmospheric CO2, or the deep burial of SOM-rich sediment in agricultural landscapes as a sink. The contribution of either process is subject to a controversial debate. In this letter, we present preliminary results on our research on interrill carbon (C) erosion, SOM transport by rill erosion and the stationarity of C erosion during the Holocene. None of those issues has been incorporated comprehensively and with global coverage in the debate on the role of C erosion in the global C cycle. Therefore, we argue that only an eco-geomorphologic perspective on organic C movement through landscapes can reconcile the two positions.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Geographie > Physiogeographie und Umweltwandel (Kuhn)
UniBasel Contributors:Schwanghart, Wolfgang and Kuhn, Nikolaus J.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Interscience-Wiley
ISSN:0197-9337
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:28
Deposited On:22 Mar 2012 14:03

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