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(Article of periodic en Anglais - 2010)

Document title

Tracing sediment redistribution across a break in slope using rare earth elements

Authors(s) and Affiliation(s)

MICHAELIDES K. (1) ; IBRAIM I. (1) ; NORD G. (2) ; ESTEVES M. (3) ;
(1) School of Geographical Sciences, Univ., Bristol, ROYAUME-UNI
(2) Inst. of Environmental Assessment and Water Research, Consejo Superior de Investigaciones Cientificas (CSIC), Barcelona, ESPAGNE
(3) Lab. Etude des Transferts en Hydrologie et Environnement, CNRS, Inst. National Polytechnique, IRD, Univ. Joseph Fourier, Grenoble, FRANCE

Abstract

An erosion experiment was conducted using simulated rainfall within a laboratory slope model. Soil was tagged with 10 rare earth element (REE) oxides as sediment tracers and placed in different locations over the slope and at the end of the experiment REE concentrations were measured in samples collected spatially. A new method was developed to quantify the erosion and deposition depths spatially, the relative source contributions to deposited sediment and the sediment transport distances. Particle-size selectivity over an area of net deposition was also investigated, by combining downslope changes in particle-size distributions with changes in sediment REE composition within a flow pathway. Results and discussion about the potential of using REE for quantifying sediment transport processes

Source

Article of periodic

published at : Earth surface processes and landforms / ISSN 0197-9337 / CODEN ESPLDB

Editor : Wiley, Chichester - ROYAUME-UNI (1981)

Millesime : 2010, vol. 35, no5 [pp. 575-587]

Bibliographic references : 20 ref.

Collation : 14 fig., 3 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 17355

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1002/esp.1956

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2011
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