Soulèvement et plissement tectoniques révélés par analyse mathématique empirique de profils longitudinaux de rivières : un cas à TaiwanEmpirical mathematical analysis of longitudinal river profiles reveals tectonic uplift and folding: a case in Taiwan |
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Authors: | Jacques Angelier Rou-Fei Chen |
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Affiliation: | « Séismotectonique et Tectonophysique », ESA 7072, université Pierre-et-Marie-Curie, Bo??te 129, T26-E1, 4, place Jussieu, 75252 Paris cedex 05, France |
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Abstract: | We analyse longitudinal river profiles in southwestern Taiwan. As all necessary data are not available, a physical modelling of river erosion would be subject to large uncertainties. We thus shortcut this modelling and adopt simple empirical exponential equations giving riverbed elevation as a function of downstream distance. We identify a positive altimetric anomaly, which reveals active uplift of an anticline at the front of the fold-and-thrust belt. To cite this article: J. Angelier, R.-F. Chen, C. R. Geoscience 334 (2002) 1103–1111. |
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Keywords: | river active tectonics uplift exponential regression rivière tectonique active soulèvement exponentielle régression Tectonique Tectonics |
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