{"title":"海滩剖面的形态动力学建模","authors":"Karine Spielmann, Dominique Astruc, Olivier Thual","doi":"10.1016/S1251-8050(01)01665-2","DOIUrl":null,"url":null,"abstract":"<div><p>In order to study the wave impact on beach profile morphological changes, we have developed a numerical ‘deterministic’ model. We focus on the sensitivity analysis of various modelling approaches in order to explain their limitations. Validating the model with experimental measurements, we put forward the poor estimation of the bed sediment concentration given by classical formula. We propose a new parameterization relying on a Shields parameter based on the breaking-induced shear-stress.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 10","pages":"Pages 669-675"},"PeriodicalIF":0.0000,"publicationDate":"2001-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01665-2","citationCount":"0","resultStr":"{\"title\":\"Modélisation de la morphodynamique d'un profil de plage\",\"authors\":\"Karine Spielmann, Dominique Astruc, Olivier Thual\",\"doi\":\"10.1016/S1251-8050(01)01665-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In order to study the wave impact on beach profile morphological changes, we have developed a numerical ‘deterministic’ model. We focus on the sensitivity analysis of various modelling approaches in order to explain their limitations. Validating the model with experimental measurements, we put forward the poor estimation of the bed sediment concentration given by classical formula. We propose a new parameterization relying on a Shields parameter based on the breaking-induced shear-stress.</p></div>\",\"PeriodicalId\":100301,\"journal\":{\"name\":\"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science\",\"volume\":\"333 10\",\"pages\":\"Pages 669-675\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-11-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01665-2\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1251805001016652\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1251805001016652","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Modélisation de la morphodynamique d'un profil de plage
In order to study the wave impact on beach profile morphological changes, we have developed a numerical ‘deterministic’ model. We focus on the sensitivity analysis of various modelling approaches in order to explain their limitations. Validating the model with experimental measurements, we put forward the poor estimation of the bed sediment concentration given by classical formula. We propose a new parameterization relying on a Shields parameter based on the breaking-induced shear-stress.
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