…the network of rivers found within a drainage basin is called a river system, which means a drainage system. A river system map or river system diagram is a diagram of all the river channels found from the mouth of a river to its source. A river system typically develops in a dendritic form around the main stream, but can take on a variety of forms depending on faults and geological structures. … *Some of the terminology that refers to "river lineage charts" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この流域内にみられる河川網を水系と呼んでおり,この言葉は排水系統という意味をもつ。河口から源流までにみられるすべての流路を抜き出して図化したのが水系図または河系図である。水系は典型的な場合には,本流を中心に樹枝状に発達するが,断層や地質構造に支配されて,さまざまな形態を示す。… ※「河系図」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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