{"refrec":{"BRefID":391619,"RR":"<b>Nguyen, D.; Stark, J.; Meire, D.</b> (2024). Een geïntegreerde aanpak voor de Durme: sub report 7. The effect of upstream discharge and flushing. Version 4.0. <i>FH reports</i>, 19_016_7. Flanders Hydraulics: Antwerp. VI, 38 + 3p. app. pp. <a href=\"https://dx.doi.org/10.48607/238\" target=\"_blank\">https://dx.doi.org/10.48607/238</a>","BEntID":389366,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". Version 4.0. <i>FH reports</i>, 19_016_7. Flanders Hydraulics: Antwerp.  VI, 38 + 3p. app. pp. <a href=\"https://dx.doi.org/10.48607/238\" target=\"_blank\">https://dx.doi.org/10.48607/238</a>","DocTypID":13,"DocType":"Reports","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Nguyen, D.; Stark, J.; Meire, D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Nguyen, D.; Stark, J.; Meire, D.","Englishabstract":"<span lang=\"EN-US\" dir=\"ltr\">In the Durme valley, various management measures are foreseen, such as implementation of new intertidal &nbsp;areas, changes in the upstream flushing regime and deepening of the river. In this report, the effects of the &nbsp;changes in upstream discharge and upstream deepening on the hydrodynamics of the Durme river are &nbsp;evaluated using a hydrodynamic Telemac model of the Durme river.</span><br><span lang=\"EN-US\" dir=\"ltr\">A series of model runs was carried out in which the upstream discharge was varied and the upstream &nbsp;bathymetry was altered. The results show variable responses of the water level, current velocity and tidal &nbsp;asymmetry. As the changes occur at the river upstream, the effects on river hydrodynamics are stronger in &nbsp;the upstream river section.</span><br><span lang=\"EN-US\" dir=\"ltr\">&nbsp;Upstream deepening causes higher velocity asymmetry within the deepened section, which enhances flood &nbsp;dominance (for case with small upstream discharge) or weakens ebb dominance (higher upstream discharge &nbsp;scenarios). Further downstream, the effect reverses and velocity asymmetry weakens. Higher river flow &nbsp;naturally results in a decrease of flood velocity and an increase of ebb flow. The flood dominant tidal &nbsp;asymmetry is therefore weaker for higher upstream discharge. An increase in the river discharge could even &nbsp;result in a transition from flood dominance to ebb dominance in some river sections. In terms of sediment &nbsp;transport, this could imply that accumulated sediment can be redistributed within the Durme river.</span>","AbstractOtherLang":null,"BibLvlCode":"MS","StandardTitle":"Een geïntegreerde aanpak voor de Durme: sub report 7. 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