{"refrec":{"BRefID":141059,"RR":"<b>Paarlberg, A.; Knaapen, M.A.F.; de Vries, M.B.; Hulscher, S.J.M.H.; Wang, Z.B.</b> (2005). Biological influences on morphology and bed composition of an intertidal flat. <i>Est., Coast. and Shelf Sci. 64(4)</i>: 577-590. <a href=\"https://dx.doi.org/10.1016/j.ecss.2005.04.008\" target=\"_blank\">https://dx.doi.org/10.1016/j.ecss.2005.04.008</a>","BEntID":134431,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Est., Coast. and Shelf Sci. 64(4)</i>: 577-590. <a href=\"https://dx.doi.org/10.1016/j.ecss.2005.04.008\" target=\"_blank\">https://dx.doi.org/10.1016/j.ecss.2005.04.008</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Paarlberg, A.; Knaapen, M.A.F.; de Vries, M.B.; Hulscher, S.J.M.H.; Wang, Z.B.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Paarlberg, A. <i>et al.</i>","Englishabstract":"Biological activity is known to influence sediment strength at bed-water interfaces. However, its precise effect on geomorphology and on bed composition is not known. This paper proposes a parameterization of sediment destabilizing and stabilizing organisms on three parameters that describe the erosion and mixing processes of the sediment bed, namely the critical bed shear stress, the erosion coefficient and the bioturbation coefficient. This parameterization is included in a 3D sand-mud morphodynamic model to form the <i>sand-mud-bio</i> model. The performance of the <i>sand-mud-bio</i> model is demonstrated by testing it on the Paulinapolder intertidal flat in the Western Scheldt estuary of The Netherlands. Model results show that biological influences on sediment strength result in significant morphological change and bed composition variations. Destabilizing organisms always cause a significant decrease in mud content in the bed and an increase of erosion. On the other hand, stabilizing organisms can, but do not necessarily, cause an increase of mud content and additional sedimentation.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Biological influences on morphology and bed composition of an intertidal flat","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-20 01:31:50.464159","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"biological activity; erosion; sedimentation; modeling; sand/mud;geomorphology; Paulinapolder; Western Scheldt","OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2018-05-17","DateCreate":"2009-09-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000231656200002","VABBcode":null,"OpenAcc":1,"DOI":"10.1016/j.ecss.2005.04.008"},"refs":null,"anarec":{"AnaID":141059,"PubliDate":2005,"Pagination":"577-590","XtraPublOfAnaID":null,"ISBN":null,"Volume":"64","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44109,"SerRR":"Estuarine, Coastal and Shelf Science. 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