NDLI: Utilisation de données altimétriques (Altus) dans la caractérisation de climats hydrodynamiques contrôlant le fonctionnement hydrosédimentaire d'une vasière intertidale : cas de l’estuaire de la Vilaine (Bretagne, France)

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Utilisation de données altimétriques (Altus) dans la caractérisation de climats hydrodynamiques contrôlant le fonctionnement hydrosédimentaire d'une vasière intertidale : cas de l’estuaire de la Vilaine (Bretagne, France)

Content Provider	Semantic Scholar
Author	Goubert, Evelyne Frénod, Emmanuel Peeters, Pierre Thuillier, Pauline Vested, Hans Jacob Bernard, Nathalie
Copyright Year	2010
Abstract	Depuis la construction du barrage d’Arzal entre 1965 et 1970, l’estuaire de la Vilaine est soumis a un fort envasement. A partir de donnees bathymetriques, hydrologiques et altimetriques (Altus), il est possible d’identifier des climats hydrodynamiques a differentes echelles spatiales et temporelles et de mieux quantifier les phases d’erosion ou de depot associees. De plus, il a ete possible de montrer l’impact d’un modele en seillons/banquettes ou d’un modele plan sur la dynamique de la vasiere. Translated version: The use of altimetric data (Altus) in the characterization of hydrodynamic climates controlling hydrosedimentary processes of intertidal mudflat: the Vilaine estuary case (Brittany, France) Since the construction of the Arzal dam between 1965 and 1970, the Vilaine estuary is characterized by a strong silting up. Hydrodynamic climates could be identified as responsible for erosion or deposition at different spatio-temporal scales from bathymetrical, hydrological and altimetric (NKE-Altus) data. Each thickness of eroded or deposited sediment could be associated to a typical hydrodynamic climate. Furthermore, it was possible to show the effect of a ridge-runnel bedforms or a smooth surface on the dynamic of the intertidal mudflat. Keywords: Intertidal mudflat; Hydrodynamics; Ridge-runnel bedforms (cross shore).
File Format	PDF HTM / HTML
DOI	10.5150/revue-paralia.2010.006
Volume Number	3
Alternate Webpage(s)	http://www.paralia.fr/revue/rpa1006.pdf
Alternate Webpage(s)	https://doi.org/10.5150/revue-paralia.2010.006
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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