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Surface roughness evolution of soils containing rock fragments
Van Wesemael, Bas; Poesen, Jean; Figueiredo, Tomás de; Govers, GérardSoil surface roughness is a dynamic property which determines, to a large extent, erosion and infiltration rates. Although soils containing rock fragments are widespread in the Mediterranean region, the effect of the latter on surface roughness evolution is yet poorly understood. Therefore, laboratory experiments were conducted in order to investigate the effect of rock fragment content, rock fragment size and ...
Effects of rock fragments on physical degradation of cultivated soils by rainfall
Van Wesemael, Bas; Poesen, Jean; Figueiredo, Tomás deTo understand better the role of rock fragments in soil and water conservation processes, the effects of rock fragments in maintaining a favourable soil structure and thus also in preventing physical degradation of tilled soils was studied. Laboratory experiments were conducted to investigate the effects of rock fragment content, rock fragment size, initial soil moisture content of the fine earth and surface ro...
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