Below are a list of key terms and definitions related to the HydroPASSAGE project.

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The rate of change of velocity per unit time. The Sensor Fish records three-dimensional acceleration as it passes through the hydropower turbine environment to indicate where live fish may be colliding with physical structures. Measured in meters/second squared (m/s2).

The design of hydropower turbines to reduce impacts of hydropower on the environment, while also using advanced engineering and technology to make hydropower more efficient.