“…The energy flux (J/s) was obtained by integrating the energy head over the transverse section, and when integrated over a tidal cycle gives the cycle energy ( J ) passing through the section. The energy dissipation
( J ) is defined as the total energy flux (river and tide) entering and exiting the system (M. Zhang, Townend, et al.,
2019), and when dividing by the total energy input leading to the energy dissipation ratio
, that is, the energy contribution to the work done globally (M. Zhang et al.,
2016). The adopted equations are defined as:
where u is the cross‐sectionally averaged flow velocity (m/s) with positive pointing to the upstream direction and negative pointing to the downstream direction, B is the channel width (m), e is the energy head per unit width (J/m 2 ), F is the instant energy flux (J/s),
,
, and
…”