For courses in water-resources engineering in civil and environmental engineering programs. Rigorous, in-depth coverage of the fundamentals of water-resources engineering Water-Resources Engineering sequentially covers the theory and design applications in key areas such as hydraulics, hydrology, and water-resources planning and management. Providing a clear overview of the technical areas of the discipline, the text encourages students to view water-resource systems holistically and prepares them for a lifetime of learning. Presented from first principles, the text is reinforced by detailed presentations of design applications. The 4th Edition has been updated with new material throughout.