…During the feudal era, water transport, mainly of rice, lumber, and charcoal, flourished, connecting the castle town of Hiroshima with Kabe and Kake upstream. The Ota River Improvement Project, completed in 1965, was the largest construction since 1932, and diverted the waters of the Ota River between Oshiba and Gion in the northern part of the city into the Ota River Floodway and five rivers in the city: Tenma, Ota, Motoyasu, Kyobashi, and Sarumata, freeing the city from the danger of flooding. Hydroelectric power plants have been built on the upper and middle reaches of the Ota River since the end of the Meiji period, and as of 1997 the maximum total output is 832,070 kW, making the area the number one power source in the Chugoku region. … *Some of the terms used in reference to the Ota River Improvement Project are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…藩政時代には城下町広島と上流の可部,加計を結んで米,木材,木炭を主とする水運が栄えた。1965年に完工した太田川改修事業は1932年以来の大工事で,太田川の水を市街地北部の大芝・祇園間で太田川放水路と市内の天満,太田,元安,京橋,猿俣の5河川とに分流させたため,市街地は洪水の危険から解放された。太田川の上・中流部に明治末から水力発電所が建設され,1997年現在の最大総出力は83万2070kWで,中国地方一の電源地帯となっている。… ※「太田川改修事業」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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