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Using Beryllium‐7 to Monitor the Relative Proportions of Interrill and Rill Erosion from Loessal Soil Slopes in a Single Rainfall Event by Gang Liu; Ming Yi Yang; D.N. Warrington; Pu Ling Liu; Jun Liang Tian is a Environmental Science article available to read on EtoBox.

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## Abstract Quantifying the relative proportions of soil losses due to interrill and rill erosion processes during erosion events is an important factor in predicting total soil losses and sediment transport and deposition. Beryllium‐7 (^7^Be) can provide a convenient way to trace sediment movement over short timescales providing information that can potentially be applied to longer‐term, larger‐scale erosion processes. We used simulated rainstorms to generate soil erosion from two experimental plots (5 m × 4 m; 25° slope) containing a bare, hand‐cultivated loessal soil, and measured ^7^Be activities to identify the erosion processes contributing to eroded material movement and/or deposition in a flat area at the foot of the slope. Based on the mass balance of ^7^Be detected in the eroded soil source and in the sediments, the proportions of material from interrill and rill erosion processes were estimated in the total soil losses, the deposited sediments in the flat area, and in the suspended sediments discharged from the plots. The proportion of interrill eroded material in the discharged sediment decreased over time as that of rill eroded material increased. The amount of deposit

Who reads Using Beryllium‐7 to Monitor the Relative Proportions of Interrill and Rill Erosion from Loessal Soil Slopes in a Single Rainfall Event?

Author

Gang Liu; Ming Yi Yang; D.N. Warrington; Pu Ling Liu; Jun Liang Tian

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0360-1269)

Published

2010

Language

EN

Field

Environmental Science (Physical Sciences)