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Sediment yield in Europe: Regional differences in scale dependence
Vanmaercke, Matthias; Poesen, J.; Verstraeten, G. et al.
2010In IAHS-AISH Publication, 337, p. 44-52
Peer reviewed
 

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Keywords :
Database; Erosion; Europe; Scale-dependence; Sediment yield; Sheet and rill erosion; Anoxic sediments; Catchments; Database systems; Runoff; Sedimentology; Mediterranean environment
Abstract :
[en] Current understanding of the regional variation in sediment yield (SY) and its scale dependence is limited for Europe. Based on an extensive literature review, a SY-database was assembled to bridge this gap. Measured SY-data from 1794 different locations throughout Europe were collected, representing a minimum of 29 203 catchment-years of records and comprising a wide range of catchment areas (0.01 km2 to 1 360 000 km2). Clear differences were observed between the temperate regions of Europe (low SY-values, i.e. <50 t km-2 year-1) and the Mediterranean and mountainous regions of Europe where SY-values are generally higher (i.e. >300 t km-2 year-1). Furthermore, for most temperate regions a negative relationship was found between catchment area and SY. For mountainous and Mediterranean regions, this was generally not the case. A comparison of catchment SY with rates of sheet and rill erosion also points to clear regional differences. Whereas soil erosion rates are generally higher than SY for temperate regions, this is not the case for the Mediterranean region. This indicates the importance of other erosion processes (i.e. landslides, riverbank erosion, and gullies). The results illustrate important regional differences in the scale dependence of SY and emphasize the need for an integrated modelling approach considering various types of sediment source and sink. Copyright © 2010 IAHS Press.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Vanmaercke, Matthias ;  Université de Liège > Département de géographie > Géographie physique et du quaternaire
Poesen, J.;  Physical and Regional Geography Research Group, K U Leuven, Celestijnenlaan 200E, 3001 Heverlee, Belgium
Verstraeten, G.;  Physical and Regional Geography Research Group, K U Leuven, Celestijnenlaan 200E, 3001 Heverlee, Belgium
Maetens, W.;  Physical and Regional Geography Research Group, K U Leuven, Celestijnenlaan 200E, 3001 Heverlee, Belgium
De Vente, J.;  Estación Experimental de Zonas Áridas, EEZA-CSIC, Desertification and Geoecology Department, Almeria, Spain
Ocakoglu, F.;  Eskişehir Osmangazi University, Department of Geological Engineering, Eskişehir, Turkey
Language :
English
Title :
Sediment yield in Europe: Regional differences in scale dependence
Publication date :
2010
Event name :
Symposium on Sediment Dynamics for a Changing Future
Event date :
14 June 2010 through 18 June 2010
Journal title :
IAHS-AISH Publication
ISSN :
0144-7815
Volume :
337
Pages :
44-52
Peer reviewed :
Peer reviewed
Commentary :
84220 9781907161100
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