Hydrology, scientific discipline concerned about the waters of the Earth, including their event, dissemination, and circulation by means of the hydrologic cycle and communications with living things. It manages the distinctive parts of phenomena like Hydrometeorology, Hydrometry, Hydrography and Groundwater hydrology.

Hydrologic investigation is important in the advancement, the executives, and control of water assets. Its applications are complex and incorporate water system frameworks advancement, surge and land-erosion control, waste-water transfer and treatment, contamination decrease, recreational utilization of water, fish and untamed life conservation, hydropower generation, and the plan of pressure hydraulic structures.