Title: Sediment transport using WaTEM/SEDEMDescription: JRC in collaboration with University of Basel and Universite Cathilique de Louvain quantify the potential spatial displacement and transport of soil sediments due to water erosion at European scale. We computed long-term averages of annual soil loss and deposition rates by means of the extensively tested spatially distributed WaTEM/SEDEM model. Our findings indicate that soil loss from Europe in the riverine systems is about 15% of the estimated gross on-site erosion.Spatial Coverage: European Union 28 Member StatesResolution: 100m (Available also at 25m; request a specific area to the authors)Time Reference: 2010Format: Raster (Grid)Projection: ETRS89 Lambert Azimuthal Equal AreaInput data: RUSLE2015 soil erosion estimates, Digital Elevation Model (DEM) at 25m.More Information: Sediment transport using WaTEM/SEDEMRelease Date: 15/2/2018
The estimated sediment yield totals 0.164 ± 0.013 Pg yr-1 (which corresponds to 4.62 ± 0.37 Mg ha-1 yr-1 in the erosion area). The greatest amount of gross on-site erosion as well as soil loss to rivers occurs in the agricultural land (93.5%). The Sediment Delivery Ration (SDR) i.e., the ratio between sediment yield (SY) and gross erosion, indicates that the sediment routed down the hillslopes to the riverine system accounts for 15.3% of the total eroded soil. More details can be found in the recent published paper.
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Borrelli, P., Van Oost, K., Meusburger, K., Alewell, C., Lugato, E., Panagos, P. 2018. A step towards a holistic assessment of soil degradation in Europe: Coupling on-site erosion with sediment transfer and carbon fluxes. Environmental Research, 161: 291-298.