Author

Tiedo Vellinga

Tiedo obtained his degree in Civil Engineering (coastal engineering) at the Delft University of Technology in 1979. For 38 years until 2017, he worked for the Port of Rotterdam Authority in the field of infrastructure- and water management. He was in the management team for the realisation of the port expansion Maasvlakte 2 as As Strategic Advisor Environmental Management. Since being appointed in 2010, he was Professor Ports and Waterways, Hydraulic Engineering Section, Civil Engineering and Geo-Sciences at Delft University of Technology, and continues as Professor Emeritus mainly doing research projects. He was a project manager for the development and the implementation of the Environmental Ship Index (ESI), an IAPH World Ports Climate Initiative. For PIANC’s Environmental Commission, he has served as chairman of the PIANC/IAPH joint WG 150 on Sustainable Ports and is now co-chairman of WG 174 on Sustainability Reporting for Ports.

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Articles By Tiedo Vellinga

Interview: Tiedo Vellinga – ‘There should be a shift in the way of thinking about designing infrastructure’
Authors: Tiedo Vellinga

A newly appointed Professor Emeritus at TU Delft and former project manager at the Port of Rotterdam Authority, Tiedo Vellinga discusses his role as a bridge between academia and practice and its impact on the direction of port development.

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How navigable are fluid mud layers?

Safe navigation through ports and waterways is determined by the space available under a ship’s keel, but a seabed of fluid mud can get in the way.

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Monitoring Programme for the MV2, Part IV – Archaeological and Palaeontological Finds
Monitoring Programme for the MV2, Part IV – Archaeological and Palaeontological Finds

Amongst all the studies done at the MV2 Port of Rotterdam expansion, none was more exciting than the discovery of the Middle Stone Age civilisation that flourished on the Maas-Rhine delta 9,000 years ago.

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Monitoring Programme for the Maasvlakte 2, Part III - The Effects of Underwater Sound
Monitoring Programme for the Maasvlakte 2, Part III – The Effects of Underwater Sound

TNO’s acoustic surveys of dredgers during all phases of the dredging cycle showed that permanent hearing threshold shift was not exceeded in any cases studied or in any species in question.

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The Monitoring Programme for the Maasvlakte 2 Construction at the Port of Rotterdam – Part II
The Monitoring Programme for the Maasvlakte 2 Construction at the Port of Rotterdam – Part II

Given the inter-dependence of the underwater food chain from benthic fauna and algae to shells, worms, fish and birds, a new modelling strategy was instituted to evaluate the effects of enhanced silt concentrations during dredging.

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The Monitoring Programme for the Maasvlakte 2 Construction at the Port of Rotterdam
The Monitoring Programme for the Maasvlakte 2 Construction at the Port of Rotterdam

Compliance for permitting was not enough for the monitoring team at the Port of Rotterdam. When they discovered gaps in scientific knowledge, they initiated more research.

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Flexibility in Port Infrastructures
Flexibility in Port Infrastructures

The use of flexible and sustainable-solutions infrastructures should be promoted – though initially more costly, these may prove economical over the whole life cycle of a port.

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A Probabilistic Analysis of the Ecological Effects of Sand Mining for Maasvlakte 2
A Probabilistic Analysis of the Ecological Effects of Sand Mining for Maasvlakte 2

Lessons learnt when planning the construction of the new Rotterdam port extension about the uncertainties of environmental effects on a Natura 2000 site may be applicable to other situations.

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