지구상의 물의 발생, 순환, 분포 및 물리적·화학적 성질을 다루는 수문학에 관한.
Relating to the branch of science concerned with the properties of the earth's water, and especially its movement in relation to land.
예문:
"The hydrological cycle describes the continuous movement of water on, above, and below the surface of the Earth."
"Researchers are studying the hydrological impact of deforestation on the local river basin."
"The city implemented a new hydrological model to predict potential flooding during the monsoon season."