Water-bed exchange of cohesive sand-mud mixtures

Theme days
Thursday, 22 June 00:00
Rotterdamseweg 185
2629 HD Delft, Netherlands



08.30 – 09.00 Reception
09.00 – 09.05 Mark van Koningsveld: NCK and ENCORA
09.05 – 09.15 Welcome by chairman Huib de Vriend

Session 1: Physical background of sand-mud mixtures

09.15 – 09.30 Granular’s and Mud’s Rheology applied to sedimentation and consolidation by Damien Pham Van Bang, CETMEF, France
09.30 – 09.45 The influence of organic matter on the properties of mud by Gerard Kruse, GeoDelft, the Netherlands
09.45 – 10.00 Density and strength of sediment mixtures as function of sand content andclay mineralogy by Walter Jacobs, TU Delft, the Netherlands
10.00 – 10.15 Discussion session 1
10.15 – 10.30 Coffee break

Session 2: Influence of biology on the stability of sediment beds

10.30 – 10.45 Changing sediment properties with the (dis)appearance of a benthiccommunity in the Westerschelde Estuary, SW Netherlands by Francesc Montserrat, NIOO, the Netherlands
10.45 – 11.00 Impact of intertidal biota on near-bed hydrodynamics and sedimenterodability by John Widdows, Plymouth Marine Laboratory, England
11.00 – 11.15 Water-bed exchange of cohesive sand-mud mixtures by David Paterson, University of St Andrews, Scotland
11.15 – 11.30 Ecosystem engineering in benthic boundary layers: thresholds and trade-offs by Tjeerd Bouma, NIOO, the Netherlands
11.30 – 11.45 Discussion session 2
11.45 – 12.30 Lunch

Session 3: Bed forms and erosion of cohesive sand-mud mixturesSession 3: Bed forms and erosion of cohesive sand-mud mixtures

12.30 – 12.45 Bed forms in partly cohesive sand-clay mixtures by Robert Basaniak, Ghent University, Belgium
12.45 – 13.00 Towards a continuous erosion law for sand/mud mixtures, using erodability measurements by Pierre le Hir, Ifremer, France
13.00 – 13.15 An experimental model for turbulence modulation in natural clay–laden flowsover flat beds, ripples and dunes by Jaco Baas, University of Leeds, England
13.15 – 13.30 Strength, Permeability and Erodibility of Sediment Mixtures by Walther van Kesteren, WL|DelftHydraulics, The Netherlands
13.30 – 13.45 Discussion session 3
13.45 – 14.05 Break

Session 4: Measuring techniques related to sediment bed characteristics

14.05 – 14.20 In situ measurements of silt content and density by Ronald Koomans, Medusa explorations, the Netherlands
14.20 – 14.35 Mapping and monitoring intertidal sediment bed characteristics usingsatellite remote sensing by Daphne van der Wal, NIOO, the Netherlands
14.35 – 15.50 Unsupervised classification techniques for surface sediment typediscrimination using hyperspectral airborne imagery by Stefanie Adam, KU Leuven, Belgium
14.50 – 15.05 Discussion session 4
15.05 – 15.25 Break

Session 5: Modelling erosion of sand-mud mixtures and implementing biological effects

15.25 – 15.40 Interaction of physical and biological processes in a microtidal estuary: anidealized model approach (analytical) by Henk Schuttelaars, TU Delft, the Netherlands
15.40 – 15.55 Sand and mud in a one-dimensional model for the lower Rhine and Meuserivers by Jasper Hugtenburg, Ministry of transport, public works and watermanagement, the Netherlands
15.55 – 16.10 Numerical modelling of sand transport rates and resulting bed evolutionusing the Telemac hydro-informatic system by Catherine Villaret, EDF-LNHE, France
16.10 – 16.25 Development of a sand-mud model in the framework of land reclamationMaasvlakte 2 by Mathijs van Ledden, Royal Haskoning, the Netherlands
16.25 – 16.40 Discussion session 5
17.00 – 18.30 Drinks


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