This course introduces basic and fundamental knowledge essential to the design and analysis of hydrosystems engineering problems (e,g., water supply, flood control, stormwater drainage, etc.). The course consists of two interrelated parts: hydrology and hydraulics. Hydrology covers various processes of water cycle (including precipitation, infiltration, rainfall-runoff modeling, and flow routings) that produce loads on hydrosystems. Hydraulics, on the other hand, applies fluid mechanics principles to the design and analysis the capacity of hydrosystems infrastructures such as pipe networks and channel networks as well as hydraulic machinery.