Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第II部門

ダム堆砂・排砂

Thu. Sep 5, 2019 8:40 AM - 10:10 AM II-1 (幸町北3号館 323講義室)

座長:角 哲也(京都大学防災研究所)

[II-125] The evaluation of the river environment improvement effect by the artificially removing sediment of the Naka River (Interim report)

*青木 朋也1 (1. 国土交通省 四国地方整備局 那賀川河川事務所)

Keywords:Comprehensive sediment management, The digging removal sand reduction, The replaced sediments, Environmental improvement, Countermeasures for sediment

In the Naka River, perform the artificially removing sediment by the replaced sediments in the direct downstream of the Nagayasuguchi Dam. In addition, perform the monitoring about the flood control side, disaster prevention side, environment side, use side to grasp environmental improvement effect by the artificially removing sediment.

I make an interim report about the monitoring results such as the shallows, a deep water distribution investigation or the fish investigation that I carried out as a part of the improvement policy examination of the river environment by the artificially removing sediment.

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