River survey - Kasen sokuryo

Japanese: 河川測量 - かせんそくりょう
River survey - Kasen sokuryo

...(5) Route survey: A general term for surveys required for the construction of roads, railways, and other linear structures such as canals, irrigation and drainage channels, and overhead power lines. (6) River survey: A general term for surveys required for the planning and maintenance of rivers, and consists of topographical surveys, water level and volume observations, depth surveys, and longitudinal and transverse surveys. In addition to the above, there are many other surveys, such as tunnel surveys, harbor surveys, waterway surveys, and urban surveys, depending on the purpose. ...

*Some of the terminology used in relation to "river surveying" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(5)路線測量route survey 道路,鉄道等の通路のほか,運河,用排水路,架空送電線等の線状構造物建設に必要な測量を総称していう。(6)河川測量river survey 河川についての計画,維持管理などに必要な資料を得るための測量の総称で,地形測量,水位・水量観測,深浅測量,縦横断測量などから成り立っている。 以上のほか,各目的に応じてトンネル測量,港湾測量,水路測量,市街地測量など多くの測量がある。…

※「河川測量」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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