Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 7, issue 2
Articles | Volume 7, issue 2
https://doi.org/10.5194/esurf-7-393-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/esurf-7-393-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 2
Research article
 | 
02 May 2019
Research article |  | 02 May 2019

Cosmogenic 10Be in river sediment: where grain size matters and why

Renee van Dongen, Dirk Scherler, Hella Wittmann, and Friedhelm von Blanckenburg

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Short summary
The concentration of cosmogenic 10Be is typically measured in the sand fraction of river sediment to estimate catchment-average erosion rates. Using the sand fraction in catchments where the 10Be concentrations differ per grain size could potentially result in biased erosion rates. In this study we investigated the occurrence and causes of grain size-dependent 10Be concentrations and identified the types of catchments which are sensitive to biased catchment-average erosion rates.
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Earth surface shaping by biota (ESurf/BG/ESD/ESSD/SOIL inter-journal...