水すい紋もん学がくじ字FuriganaMeanings1nounhydrologyScientific study of water on the Earth's surface and underground, including its distribution, movement, and properties.水すい紋もん学がくは、水みず資し源げんの管かん理りに欠かかせない学がく問もんだ。Hydrology is an essential discipline for water resource management.
