The study of the quality, movement and distribution of water is known as hydrology. It helps in analyzing and solving issues related to water resources and their management. It branches out into sub-fields of hydrogeology, groundwater hydrology, surface hydrology, hydrometeorology, etc. Hydrology plays a crucial role in the calculation and analysis of rainfall, precipitation, water balance, surface run-off, floods, etc. This book attempts to understand the multiple branches that fall under this discipline and how such concepts have practical applications. Coherent flow of topics, student-friendly language and extensive use of examples make this book an invaluable source of knowledge. Those in search of information to further their knowledge will be greatly assisted by this book