{"refrec":{"BRefID":238051,"RR":"<b>Lee, B.J.; Toorman, E.; Fettweis, M.</b> (2014). Multimodal particle size distributions of fine-grained sediments: mathematical modeling and field investigation. <i>Ocean Dynamics 64(3)</i>: 429-441. <a href=\"http://dx.doi.org/10.1007/s10236-014-0692-y\" target=\"_blank\">dx.doi.org/10.1007/s10236-014-0692-y</a>","BEntID":229738,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Ocean Dynamics 64(3)</i>: 429-441. <a href=\"https://dx.doi.org/10.1007/s10236-014-0692-y\" target=\"_blank\">https://dx.doi.org/10.1007/s10236-014-0692-y</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lee, B.J.; Toorman, E.; Fettweis, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lee, B.J. <i>et al.</i>","Englishabstract":"Multimodal particle size distributions (PSDs) of fine-grained cohesive sediments are common in marine and coastal environments. The curve-fitting software in this study decomposed such multimodal PSDs into subordinate log-normal PSDs. Four modal peaks, consisting of four-level ordered structures of primary particles, flocculi, microflocs, and macroflocs, were identified and found to alternately rise and sink in a flow-varying tidal cycle due to shear-dependent flocculation. The four modal PSD could be simplified further into two discrete size groups of flocculi and flocs. This allowed the development of a two-class population balance equation (TCPBE) model with flocculi and flocs to simulate flocculation involving multimodal PSDs. The one-dimensional vertical (1-DV) TCPBE model further incorporated the Navier-Stokes equation with the k-epsilon turbulence closure and the sediment mass balance equations. Multimodal flocculation as well as turbulent flow and sediment transport in a flow-varying tidal cycle could be simulated well using the proposed model. The 1-DV TCPBE was concluded to be the simplest model that is capable of simulating multimodal flocculation in the turbulent flow field of marine and coastal zones.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Multimodal particle size distributions of fine-grained sediments: mathematical modeling and field investigation","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Cohesive sediments; Flocculation; Multimodal; Particle sizedistribution; Population balance equations","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2015-10-29","DateCreate":"2014-05-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000331980600008","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s10236-014-0692-y"},"refs":null,"anarec":{"AnaID":238051,"PubliDate":2014,"Pagination":"429-441","XtraPublOfAnaID":null,"ISBN":null,"Volume":"64","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45486,"SerRR":"Ocean Dynamics. 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