The river's discharge at that location depends on the rainfall on the catchment or drainage area and the inflow or outflow of groundwater to or from the area, stream modifications such as dams and irrigation diversions, as well as evaporation and evapotranspiration from the area's land and plant surfaces.
Choose from a variety of either portable or stationary measurement options using different measurement technologies, including mechanical, Doppler, and more.
RiverSurveyor® S5 and M9
A new perspective to the notion of measuring open channel hydraulics
Wading Discharge Measurement Instrument
Inspired by the need for a simple way to measure water velocity and level in open channels
Ideal for monitoring flows in canals, culverts, pipes, and natural streams
Exclusive 5-beam depth sounding device
Global Water FP111
Digital Water Velocity Meter