Arid area ; Badland ; Clay mineral ; Ebro ; Grain size distribution ; Infiltration ; Microrelief ; Model ; Semi-arid area ; Slope ; Soil erosion ; Soil properties ; Spain ; Statistics ; Water erosion ; Watershed
In the Ebro Basin, piping is an ubiquitous erosion process in badland areas, occuring in 2 main situations : on slopes of exposed Tertiary clays and in recently incised silty-clay Holocene valley-fill sediments. The quantitative importance