Hydraulic engineering 31 Engineering 29 Hydrology 15 Fluid mechanics 14 Hydraulics 13 Hydraulic machines 8 Hydrogeology 7 Hydrodynamics 5 Petrology 4 Water 4 Ecohydrology 3 Geography 3 Mineralogy 3 Nitrogen fixation 3 Turbines 3 Water management 3 Well hydraulics 3 hydraulic conductivity 3 Civil engineering 2 Department of Land and Water Resources and Conservation Engineering 2 Drainage engineering 2 Earth science 2 Engineering & allied operations 2 Fluid Statics 2 Fluid dynamics 2 Groundwater flow 2 Hydraulic Engineering 2 Hydraulic power technology 2 Hydraulic structures 2 Mechanical engineering 2