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Hayagawa river - Japan (2)

  • Hayagawa river - Japan (2)

Hayagawa river, Yamanashi Prefecture, Japan in November 1998 - The fully-silted reservoir of Nishiyawa dam (Japan, 1957): H = 39 m, L = 112 m, Res. Cap. = 2.38 Mm3, spillway cap.: 575 m3/s. The reservoir became fully-silted by gravel bed-load in less than 20 years. The reservoir was dredged in the 1990s down to 2 m to resume hydropower operation.

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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