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Trapezoidal weir in Tama river

  • Trapezoidal weir in Tama river

This weir is the first weir from the estuary of Tama River, Tokyo, Japan. In this case, surface stones were settled on the downstream face of the weir, and air-concentration is occurred easily. The aerated flow leads many kinds of aquatic animals to the weir. In order that diadromous fishes, shrimps, and crabs can migrate to their upstream and downstream habitats, the settlement of the fishway is required.

Hubert Chanson, Civil Engineering, The University of Queensland, Australia

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This web site was launched by Prof. Michele Mossa of the Polytechnic University of Bari (Italy) with the initial support of Fondazione Caripuglia, Bari, Italy for the Research Project LIC-MON of 2003 and of the Project IMCA (Integrated Monitoring of Coastal Areas) financed by MIUR PON D.M. 593/00. Later, the initiative was supported with other Prof. Michele Mossa’s funds, most recently provided by the RITMARE Project.

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