Human and environmental effects on the top of the mud layer in the entrance of the Zeebrugge harbour [POSTER]

Navigation in the port of Zeebrugge can be hindered by the presence of a high concentrated benthic suspension (hcbs). Depth averaged suspended sediment concentrations (including the hcbs layer) range from 10mg.l -1 up to 4,OOOmg.l -1 . The suspended sediment concentration within the benthic layer can reach several tens of grams per litre. The top of this hcbs layer is identified by the 210kHz acoustic reflection surface. The Nautical Bottom, a site-specific upper limit for the bulk density, above which navigation is concerned to be safe, is defined at l,200kg.m -3 . A better understanding of t... Mehr ...