Hydrology is the medical look at of the movement, distribution and manage of water within the global and distinct planets, which incorporates the water cycle, water assets and environmental watershed sustainability. A practitioner of hydrology is known as a hydrologist. Hydrologists are scientists studying earth or environmental science, civil or environmental engineering and physical geography. the use of various analytical strategies and clinical strategies, they gather and examine facts to help remedy water associated problems consisting of environmental protection, herbal failures, and water manipulate. Hydrology subdivides into floor water hydrology, groundwater hydrology (hydrogeology), and marine hydrology. domain names of hydrology embody hydrometeorology, floor hydrology, hydrogeology, drainage-basin control and water wherein water performs the relevant position.