Intermittent rivers

…a river that does not have a constant flow of water like rivers in humid regions, but flows only when it rains or during the rainy season. It is also called an intermittent river. It is often found in arid and semi-arid regions, and is called a wadi in Arabia and northern Africa. …

*Some of the terminology that refers to "intermittent rivers" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…湿潤地帯の河川のように恒常的に流水がみられず，降雨時や雨期にのみ流水がみられる河川。間欠河川ともいう。乾燥地域や半乾燥地域に多くみられ，アラビアやアフリカ北部ではワジと呼ばれる。…

※「間欠河川」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