{"refrec":{"BRefID":232070,"RR":"<b>Gautier, J.N.; Rodrigues, S.; Jugé, P.; Peters, J.J.</b> (2008). Sediment transport processes during flood events in the Middle Loire: gauging and first results. <i>Geophys. Res. Abstr. 10(EGU2008-A-00000)</i>: [1]","BEntID":223779,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Geophys. Res. Abstr. 10(EGU2008-A-00000)</i>: [1]","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Gautier, J.N.; Rodrigues, S.; Jugé, P.; Peters, J.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Gautier, J.N. <i>et al.</i>","Englishabstract":" hydraulic and sediment transport survey campaign was organised in March 2007 on the Loire River, at the Bréhémont site. The aim was to collect data useful for the understanding of fluviomorphological mechanisms. A survey procedure, established at the end of the 1960's and relying on a follow-up bathymetric surveys and ancient sediments samplers was combined with modern technologies such as DGPS satellite positioning and ADCP flow gauging. The survey campaign allowed quantifying the sediment transport rates of the size fractions larger than 50 microns. The results confirm the earlier made hypothesis concerning the existence of a sediment load moving close to the bottom and distinct from the suspended load as described in the theories. This load was called \"morphological\" and is composed of solids having sizes between those of the river bed and those moving in suspension at higher elevations. This statement, made on the basis of surveys on other large streams in Africa, Asia and the America's questions the concepts on which have been based the majority of the sediment transport theories. The analysis shows also that the rate of bedload transport can be very high up to 60% in some verticals and nearly 50% on all a profil, that is much more than the rate usually admits. The present surveys show that campaigns as these are necessary in order to comprehend the processes, a condition prior to investigating solutions.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Sediment transport processes during flood events in the Middle Loire: gauging and first results","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:58:19.190595","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"River channels","OtherDescriptors":null,"Notes":null,"AnaPub":2008,"MonPub":null,"DateUpdate":"2014-03-28","DateCreate":"2013-12-09","SecASFANote":null,"ConfID":747,"PeerRev":1,"VlizCoreFlag":0,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":232070,"PubliDate":2008,"Pagination":"[1]","XtraPublOfAnaID":null,"ISBN":null,"Volume":"10","Issue":"EGU2008-A-00000","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":77248,"SerRR":"Geophysical Research Abstracts. 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