Abstract

AbstractThe sedimentation of loess in a 40 km2 area on the northern border of the Belgian loess belt, is investigated by means of wind tunnel experiments. Loess deposition is simulated on a relief scale model for different wind directions. It appears that simulation with northeast winds produces a loess deposition pattern that coincides closely to the field pattern, which may be an indication that the loess‐bearing winds at the end of the Weichselian came from the northeast.Loess deposition occurs preferably on windward slopes and not on leeward ones. The wind‐shadow concept, which is important in the case of sand deposition, may therefore not necessarily apply to fine materials such as fine silt and clay.

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