リアス式しき海かい岸がん

noun

ria coastline; deeply indented coastline

A geographical term for a coastline formed by the submergence of river valleys, creating a jagged, deeply indented shoreline. Used in geography and earth science contexts.

• 三さん陸りく海かい岸がんは典てん型けい的てきなリアス式しき海かい岸がんとして知しられている。

  The Sanriku Coast is known as a typical ria coastline.