Postglacial Recession Rates of Waterfalls in Alpine Glacial Valleys(<Featured Articles>Turkey-Japan Joint Conference on Geomorphology)

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概要

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• The timing of formation of waterfalls at the outlet of glacial hanging valleys correspond to that of disappearance of glaciers. Since the original location of such waterfalls is at the wall of the U-shaped valley sculpted by the mainstream glacier, average rates of postglacial recession of the waterfalls can be estimated by dividing the distance from the wall by the formative age. This study examines recession rates of such waterfalls in the Swiss Alps and in the western North America, with regard to the factors affecting the recession rates using an empirical model. Despite possible abundant supply of rock particles from upstream glaciers, the recession rate of the waterfalls matches well with the model, suggesting insufficient transport capacity in these areas.

• 2011-04-25

著者

• Hayakawa Yuichi

  Center For Spatial Information Science The University Of Tokyo

関連論文

• Postglacial Recession Rates of Waterfalls in Alpine Glacial Valleys(Turkey-Japan Joint Conference on Geomorphology)

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