This document discusses water resource engineering. It covers topics like hydraulics for rivers, hydrology for rivers, and maritime hydraulics. Water resource engineering involves supplying water for human use and developing techniques to prevent flooding and remove excess water. Example projects discussed include farm irrigation systems, water treatment plants, wastewater treatment plants, and drainage systems. The document emphasizes that water resource engineering ensures a continuous supply of clean water for drinking and living through the design, construction, and maintenance of water management systems.