EntityQ369743· pop 27· linked from 927 articleshydraulic headSign in to savespecific measurement of liquid pressure above a vertical datumConnectionspressure measurementEntityatmospheric pressureEntityhydroelectricityEntityBernoulli's principleEntityspecific weightEntityDarcy's lawEntityBlaise PascalEntityInternational Standard Book NumberEntitywater wellEntitydamEntityvacuumEntitylengthEntitymass densityEntitypressureEntitykinetic energyEntityNewton's law of universal gravitationEntityspeedEntitypotential energyEntitygroundwaterEntityfrictionEntityCategoriesAquifersFluid dynamicsHydrologyPressureWaterWater wells