Traditional Sub-Disciplines Traditional Sub-Disciplines Research focus areas Traditional Sub-DisciplinesEnvironmental and Energy SystemsInfrastructure SystemsWater Engineering and Science Construction Engineering and ManagementX Environmental EngineeringXX Fluid MechanicsXXX Geoenvironmental and Geotechnical EngineeringXX Hydraulic EngineeringX Hydrologic Science and EngineeringXX Irrigation and DrainageX Structural Engineering and Structural MechanicsX Water and International DevelopmentXX Water Resources Planning and ManagementXXX