Reference : The Semois valley in southern Ardenne: short-wavelength, large-Amplitude meanders inc...
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Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/2268/222758
The Semois valley in southern Ardenne: short-wavelength, large-Amplitude meanders incised into a slaty basement
English
Petit, François mailto [Université de Liège - ULiège > Département de géographie > Département de géographie >]
Hallot, Eric mailto [Université de Liège - ULiège > Département de géographie > Département de géographie >]
Houbrechts, Geoffrey mailto [Université de Liège - ULiège > Département de géographie > Département de géographie >]
2018
Landscapes and landforms of Belgium and Luxembourg
Springer
World Geomorphological Landscapes
385-394
Yes
9783319582375
[en] Entrenched meanders ; Strahler Theory ; Slaty cleavage ; Elongated meanders ; River erosion
[en] The incised meanders of the Semois Valley, in Southern Ardenne, are remarkably elongated, forming a nearly 100-km-long meander belt. Their elongation is conditioned by the relative orientation of the meander loops and the regional slaty cleavage, as theorized by Strahler. These meanders already existed in the Early Quaternary, some cut-off meanders lying more than 100 m above the present floodplain. Although the Quaternary incision rates of the Semois were low ( 0.05 mm/year), several meanders look more entrenched than ingrown, probably because lateral erosion was fairly slow (*0.3–0.5 mm/year), owing to the large quantity of material to evacuate by a rather small river. The combined aesthetic and scientific interests of this particularly well-developed meander belt speak in favour of the preservation of the nicest meanders as geomorphosites.
Researchers ; Professionals ; Students ; General public
http://hdl.handle.net/2268/222758
10.1007/978-3-319-58239-9_22

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