Graduation Internship Assignment: Erosion of Artificial Reef Structures

Graduation Internship Assignment: Erosion of Artificial Reef Structures

INTRODUCTION

Worldwide, coral reefs are under pressure from climate change and human activities such as fishing, shipping, and coastal development. As a response, artificial reefs are increasingly being deployed to support and restore marine ecosystems. These structures provide habitat for fish, corals, and other sea life, enhance biodiversity, and contribute to coastal protection and the recovery of degraded ecosystems.

Due to constant exposure to flowing water and sediment transport, these structures gradually erode. The erosion rate of such reef structures is a critical factor in determining their lifespan and effectiveness. To better understand and predict this process, NETICS has developed an innovative one-of-a-kind erosion machine. Using cutting edge technology, it allows us to investigate the expected durability of artificial reef elements.

To translate laboratory findings into practical applications, further insight is needed into the test methodology, comparable international standards, and the extent to which the processes in the erosion machine reflects real-world marine conditions. Your task is to research this and propose improvements. A unique opportunity to make a significant contribution to underwater nature restoration.

ASSIGNMENT DESCRIPTION

In this project, you will assess the functioning of the erosion machine and evaluate its suitability as a predictive tool for erosion in marine environments. You will perform lab tests, optimize the current lifespan calculation model and improve the erosion machine based on your own recommendations. The assignment includes:

• Explore existing erosion test methods and make a comparison with the NETICS erosion machine.
• Perform lab tests to evaluate the test setup in terms of scaling, realism, and reproducibility of marine conditions (flow velocity, sediment types, salinity, etc.).
• Assess the current lifespan calculation model and make improvements.
• Validation of previous test results.

• Optimize the test method, for instance by adjusting physical components of the machine, varying flow conditions, or using alternative sediment types.

WHAT WE ARE LOOKING FOR

• Enthusiastic master’s student with a background in hydraulic engineering, mechanical engineering or a similar field.
• Interest in ecological restoration and experimental research.
• You are able to work independently and take initiative.
• Start date from August 2025 onwards; this is flexible.

WHO WE ARE

NETICS is a leading R&D, consultancy and engineering firm specialized in the high-value reuse of dredged sediments and other (residual) flows. Our projects are innovative, sustainable, and directly contribute to the circular economy and ecological development. From our office in Alblasserdam, we work with a multidisciplinary team on practical solutions to complex challenges in hydraulic engineering.

We are the inventors and patent holders of GEOWALL, a technology that produces circular building blocks from dredged material. We also operate a unique in-house laboratory where we conduct daily research on the strength, durability, and erosion resistance of our products.

WHAT WE OFFER

• A challenging yet practical graduation assignment with direct ecological impact.
• Behind-the-scenes access to innovative material research.
• Professional guidance within a small and experienced team.
• Flexible working environment from our office & lab in Alblasserdam and remote.
• Internship compensation including travel cost.
• The opportunity to make a meaningful impact on the future of coral reef restoration.

Interested candidates can send their CV and motivation letter to info@netics.nl.