hydrology

Definition

The science of the properties, distribution, and effects of water on a planet's surface, in the soil and underlying rocks, and in the atmosphere

Etymology

From hydro- + -ology.

Example Sentences

• "Excessively high floods may be caused by obstructions which were not noted by the observer subsequently removed. Information of this kind is necessary, but it is equally necessary that something of the local hydrology should be also known and applied."
• "Operations studies are required to define appropriate hydrologies and facility operations schedules on which to base the Delta modeling."