Abe River alluvial fan

…The Shimizu Plain, which spreads along the Tomoe River, which flows east along the north side of the Udo Hills, is sometimes referred to as the Shizuoka-Shimizu Plain. The Shizuoka Plain is made up of the Abe River alluvial fan, the Asahata lowlands in the north, and the Takamatsu lowlands in the south, and dendritic valley bottom plains can be seen along its tributaries, the Ashikubo River, the Warashina River, and the Maruko River. The Abe River is a major transporter and sedimentary of sand and gravel, with the gravel layer reaching a thickness of 100m in the center of the alluvial fan, and a gravel bar has also developed at the river mouth. …

*Some of the terminology used to refer to the Abekawa alluvial fan is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…有度丘陵の北側を東流する巴（ともえ）川沿いに広がる清水平野を合わせて，全体を静岡･清水平野と総称することもある。静岡平野は主体をなす安倍川扇状地と北部の麻機（あさはた）(浅畑)低地，南部の高松低地などからなり，支流の足久保川，藁科（わらしな）川，丸子川沿いには樹枝状の谷底平野がみられる。安倍川は砂礫（されき）の運搬，堆積作用が盛んで，砂礫層の厚さは扇状地中心部で100mにも達し，また河口部にも砂礫州を発達させている。…

※「安倍川扇状地」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