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Enhancing Zeebrugge’s Connectivity: The Economic Impact of Oceanographic Research

This research explores how oceanographic studies can provide effective solutions to Zeebrugge's challenges with hinterland connectivity. Key contributions include wave measurement techniques and risk analyses that inform maritime operations. By simulating ship behavior in different wave conditions over a decade, the study identifies risks such as slamming and rolling. These insights help design safer vessels and optimize routes under varying weather conditions, thus improving the operational efficiency of transport networks reliant on Zeebrugge's port facilities.

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Enhancing Zeebrugge’s Connectivity: The Economic Impact of Oceanographic Research

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  1. Key contribution of Oceanographic research in providing an economic solution to Zeebrugge’s lack of hinterland connectivity Paul Moeyaert

  2. Wave measurement

  3. Solutions: • Noorderkanaal • Dockships • “extended” estuair regime

  4. Access to the network of inland waterways from Zeebrugge: • Traditional inlandwater tankers • Provided “good’ weather • Coasters • But too high requirements • And high investment/operational costs Due to lack of reliable knowledge of the risk-level

  5. Extended Estuair • Based on Risk analyses • Simulation of ships motions and behaviour as a response to the 10years wave spectra: in the particular sea area

  6. Statistical distribution of occurances of dangerous situations • Slamming • Greenseas • Rolling • Bending moment

  7. Acceptable frequency • Bending moment : once a life time • Slamming: once per year • Green seas : once per life time

  8. Iterative process of design If the number of incidents proves to be too high : 2 possible actions: • Restrict the allowable weather conditions • And/or • Increase strength • Optimum solution

  9. Relative vertical motion of point : fore, keel exceeding draft fore: number of exceedings per trajectory as a function of significant wave height in measured directional wave spectra Bol van Heist, Western Scheldt – Zeebrugge

  10. Significant Wave Height • Is a far more accurate criterion for reflecting the risks compared to the old yardstick : Beaufort Number • As basis for designing ships • But also as a criterium for the captain: whether to make the voyage or the wait for better circumstances

  11. Further possible improvements • Accuracy of predictions on medium term • Directional predictions • Distinction between: • Swell • Caused by remote storms • Long waves, traveling at known speed • well predictable • Local waves • Same predictability like the local wind • Shortcrested waves

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