Vessel routing for sweeping of marine litter in a port area

In literature it is widely accepted that 80% of the marine litter originates from land based sources. Since seaports usually are strategically situated with an inland waterway connection, it is not surprising that seaports have to deal with marine litter. Port authorities would like to avert excessive amounts of marine litter by sweeping marine litter. In this way the risk posed to vessels and the negative environmental impact of marine litter is reduced. Nowadays, these vessels are usually only deployed after complaints on excessive amounts of marine litter. In this paper an innovative routing method is proposed to sweep marine litter in a port area proactively. This routing method makes use of input from a prediction model considering the location and accumulation of marine litter. The routing method is formulated as a mixed-integer programming (MIP) model. To benchmark the performance of the model simulations are performed, whereby the performance of different sweeping policies is compared.

Subject

marine litter
port
inventory routing problem
mixed integer programming
stochastic programming
simulation

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Student theses

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master thesis

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