{"refrec":{"BRefID":221866,"RR":"<b>Van der Wegen, M.; Roelvink, J.A.</b> (2008). Long-term morphodynamic evolution of a tidal embayment using a two-dimensional, process-based model. <i>J. Geophys. Res. 113(C3)</i>: C03016. <a href=\"https://dx.doi.org/10.1029/2006JC003983\" target=\"_blank\">https://dx.doi.org/10.1029/2006JC003983</a>","BEntID":213593,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Geophys. Res. 113(C3)</i>: C03016. <a href=\"https://dx.doi.org/10.1029/2006JC003983\" target=\"_blank\">https://dx.doi.org/10.1029/2006JC003983</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Van der Wegen, M.; Roelvink, J.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Van der Wegen, M.; Roelvink, J.A.","Englishabstract":"The research objective is to investigate long-term evolution of estuarine morphodynamics with special emphasis on the impact of pattern formation. Use is made of a two-dimensional (2-D), numerical, process-based model. The standard model configuration is a rectangular 80 km long and 2.5 km wide basin. Equilibrium conditions of the longitudinal profile are analyzed using the model in 1-D mode after 8000 years. Two-dimensional model results show two distinct timescales. The first timescale is related to pattern formation taking place within the first decades and followed by minor adaptation according to the second timescale of continuous deepening of the longitudinal profile during 1600 years. The resulting longitudinal profiles of the 1-D and 2-D runs are similar apart from small deviations near the mouth. The 2-D results correspond well to empirically derived relationships between the tidal prism and the channel cross section and between the tidal prism and the channel volume. Also, comparison between the current model results and data from the Western Scheldt estuary (in terms of bar length, hypsometry, percentage of intertidal area and values for the ratio of shoal volume and channel volume against the ratio of tidal amplitude and water depth) shows satisfying agreement. On the basis of the model results a relationship for a characteristic morphological wavelength was derived on the basis of the tidal excursion and the basin width and an exponentially varying function was suggested for describing a dimensionless hypsometric curve for the basin. Furthermore, special attention is given to an analysis of the numerical morphodynamic update scheme applied.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Long-term morphodynamic evolution of a tidal embayment using a two-dimensional, process-based model","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-01 01:31:27.875684","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"    estuarine morphology;     pattern formation;     long-term evolution","OtherDescriptors":null,"Notes":null,"AnaPub":2008,"MonPub":null,"DateUpdate":"2020-03-18","DateCreate":"2013-01-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000254167600001","VABBcode":null,"OpenAcc":1,"DOI":"10.1029/2006JC003983"},"refs":null,"anarec":{"AnaID":221866,"PubliDate":2008,"Pagination":"C03016","XtraPublOfAnaID":null,"ISBN":null,"Volume":"113","Issue":"C3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":90908,"SerRR":"Journal of Geophysical Research. American Geophysical Union: Richmond.  ISSN 0148-0227; e-ISSN 2156-2202","StandardTitleSer":"Journal of Geophysical Research","ISSN":"0148-0227","AbbrevSer":"J. Geophys. 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