The following outline is provided as an overview of and topical guide to hydrology: Hydrology – study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability.
Hydrology can be described as all of the following: History of hydrology Water cycle (aka "hydrological cycle") Basin Catchment Evaporation Infiltration/Soil Movement Streamflow/Open channel Erosion Groundwater Hydrological transport model Some examples of applications of hydrology: