Wave Height Average Wave Height Wave Period Wave Speed Wave Group Velocity Tidal Elevation High Tide High Tide Duration Low Tide Low Tide Duration Tide Period Tide Speed Currents Stream Velocity Friction Velocity Momentum Flux Water Depth Ave Water Depth Streamflow Evaporation Transpiration Evapotransp_Actual Evapotransp_Potential The amount of water that could be evaporated and transpired if there was sufficient water available Stage, Stream The height of a water surface above an established datum plane. (Compare Gage Height) Gage Height, Stream Gage height is the water surface elevation referred to some arbitrary gage datum. (Compare Stage) Stage, Lake The height of a water surface above an established datum plane. (Compare Gage Height) Gage Height, Lake Gage height is the water surface elevation referred to some arbitrary gage datum. (Compare Stage) Estuary Stream Stream Stream Reservoir