Integrated Multi-Trophic Aquaculture Seaweed Farm Survives Extreme Storm Éowyn
Project Overview
Seaweed and Oyster Farm Design and De-Risking
Kelson Marine and Open Climate Solutions collaborated to design and de-risk an IMTA (Integrated Multi-Trophic Aquaculture) Seaweed Farm that integrates seaweed cultivation with oyster farming. Kelson Marine applied its validated dynamic Hydro-Structural Finite Element modeling approach to quantify loads and motions of the macroalgae and oyster farm in waves and currents using site-specific metocean data.
Kelson used these methods to evaluate design alternatives in typical (mean), storm (1-year return period), and extreme (10- and 50-year return period) conditions. From this analysis, Kelson advised on farm design modifications to maximize performance and specified gear requirements for storm survival.
Engineering & Design – Stability was achieved through optimized mooring systems, structural reinforcements, and careful material selection to minimize impact and wear. Design refinements included adjustments to line lengths and tensile strength to enhance longevity under extreme conditions.
"Storm Éowyn brought winds of 78 knots (144 km/h), hitting the farm directly from the west. Over the last four years of seaweed cultivation at Kilchoan, this has by far been the biggest storm to hit us...Pleased to see the IMTA farm handling these conditions so well!"
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"It was days like that one I was very pleased with the engineering work! Thanks again! Kelson Marine Co."
