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Trajectoire temporelle et monitoring hydro-morphologique d'une anastomose rhénane restaurée : le Bauerngrundwasser dans l'île du Rohrschollen (Strasbourg, France)

Abstract : This study is part of a LIFE+ project which aims to restore hydromorphological functioning of a Rhine hydrosystem. A planimetric study combined with hydromorphological and sedimentological analysis allowed to (i) improve understanding of past adjustment dynamics and (ii) identify main limitations of the project. Post-restoration morphological changes were monitored by geodesic and geomorphological methods combination in order to determine accurate volumes of sediment deposited / exported at different spatio-temporal scales. Finally, airborne thermal-infrared was used to highlight the relationship between spatial distribution of thermal anomalies, morphodynamic characteristics and inherited geomorphological features. Interdisciplinary approach leaded in this study was able to guide decision-makers choices in order to optimise the monitoring and assess future functional restorations.
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Submitted on : Tuesday, April 17, 2018 - 12:01:40 PM
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David Eschbach. Trajectoire temporelle et monitoring hydro-morphologique d'une anastomose rhénane restaurée : le Bauerngrundwasser dans l'île du Rohrschollen (Strasbourg, France). Sciences de la Terre. Université de Strasbourg, 2017. Français. ⟨NNT : 2017STRAH009⟩. ⟨tel-01768543⟩

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