In het kader van het Seine-Scheldeproject wordt de Leie opgewaardeerd naar een CEMT-klasse Vb vaarweg. Dit omvat de verbreding en verdieping van de Leie. Daarnaast worden, flankerend, ook natuurvriendelijke oevers, vispassages, fauna-uitstapplaatsen, … voorzien om de Leie als rivier te herstellen. De aanleg van de natuurvriendelijke oevers is in 2022 gestart in het afwaartse deel van pand 140. Een van de concepten betreft een ontwerp met een voorliggende breuksteenberm en een tussenliggende plasberm.
De Vlaamse Waterweg afdeling Regio West heeft het Waterbouwkundig Laboratorium gevraagd om een hydraulische evaluatie en validatie van de ontwerpmethodiek uit voeren voor het concept met een voorliggende breuksteenberm. Hiervoor heeft WL van 2 juli 2024 tot en met 16 juli 2024 een in situ terreinmeting uitgevoerd. Tijdens deze terreinmeting werd hoogfrequent het peil in de Leie en in de plasberm opgemeten, werd een DTM opgesteld aangevuld met bathymetrische metingen en werd de scheepsbewegingen bekomen uit een AIS analyse gecombineerd met vaarvergunning.
Dit rapport beschrijft de preverwerking van deze meting. Vooreest werden de hoogfrequentie drukmetingen omgerekend naar een waterpeil. De waterpeilmetingen werden vervolgens verder verwerkt tot primaire en secundaire golfhoogtes. Op basis van de AIS data aangevuld met een detectie op basis van karakteristieke golfpatronen werden in totaal een 755 passages bekomen. Per passage wordt een dataset over een duurtijd van 5 min uit de tijdreeksen geknipt. Deze dataset wordt aangevuld met geanonimiseerde data afkomstig uit de AIS analyse. Naast de data per passage werd ook een controle en preverwerking uitgevoerd op het hoogtemodel, de bathymetrische metingen en de enkel snelheidsmetingen in de plasberm.De preverwerkte dataset werd opgeleverd in een directory met csv bestanden en in een Zarr dataformaat. ","BibLvlCode":"MS","StandardTitle":"Leie – natuurvriendelijke oevers pand 140: deelrapport 1. 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