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Gebert, J. (author), van Rhees, Floris (author), Shakeel, A. (author), Kirichek, Alex (author), Habdank, Janis (author), Amman, Baerbel (author)Maintenance of the nautical depth in the seaport of Emden, Germany, is achieved by re-circulation of fluid mud using a trailing suction hopper dredger. Continued re-circulation has proven to maintain low settling rates and to keep yield stresses of re-circulated fluid mud below 50-100 Pa, in combination with densities of 1.15- 1.2 t/m³ enabling...conference paper 2022