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Auteur Takaaki Uda |
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Morphodynamic model for predicting beach changes based on Bagnold's concept and its applications / Takaaki Uda (2018)
Titre : Morphodynamic model for predicting beach changes based on Bagnold's concept and its applications Type de document : Monographie Auteurs : Takaaki Uda, Éditeur scientifique ; et al., Auteur Editeur : London [UK] : IntechOpen Année de publication : 2018 Importance : 208 p. Format : 19 x 27 cm ISBN/ISSN/EAN : 978-1-78984-946-2 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Océanographie
[Termes IGN] ensablement
[Termes IGN] littoral
[Termes IGN] modèle de simulation
[Termes IGN] modèle dynamique
[Termes IGN] modélisation 3D
[Termes IGN] montée du niveau de la mer
[Termes IGN] plage
[Termes IGN] trait de côteRésumé : (éditeur) The authors have developed models for predicting beach changes applicable to various problems on real coasts. One of them is the contour-line-change model to predict long-term beach changes caused by the imbalance in longshore sand transport, which is a kind of N-line model. Because the calculation of the nearshore current is not needed in this model, and the computational load is small, it has an advantage in the prediction of long-term topographic changes on an extensive coast. However, the handling of boundary conditions becomes difficult when offshore coastal structures are constructed in a complicated manner, and in this regard the so-called 3D model has an advantage. Taking this point into account, the authors developed a morphodynamic model (BG model) by applying the concept of the equilibrium slope and the energetics approach, in which depth changes on 2D horizontal grids are calculated. Note de contenu : 1- Introductory chapter: Morphodynamic model for predicting beach changes based on Bagnold’s concept and its applications
2- Derivation of the BG model
3- Eight types of BG models and discretization
4- Prediction of typical beach changes owing to human activities
5- Beach changes on coast subject to waves and seaward or shoreward strong currents
6- Formation of sand spit and bay barrier
7- Interaction of sandy islands
8- Formation of cuspate foreland
9- Segmentation and merging of closed water bodies by wind wavesNuméro de notice : 25960 Affiliation des auteurs : non IGN Nature : Recueil / ouvrage collectif DOI : 10.5772/66722 En ligne : https://doi.org/10.5772/66722 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96499