Comparison between calculation values and experimental data.

<p>Comparison between the computed and measured discharge, using the proposed and conventional methods, respectively.</p

Error between discharge calculated by 6 different methods and measured discharge.

<p>Error between discharge calculated by 6 different methods and measured discharge.</p

Vegetation distribution of the cross section.

<p>The cylinders of simulated vegetation are uniformly distributed in the streamwise (x) and in the transverse (y) directions.</p

Stage-discharge curves.

<p>Comparison between the computed and measured stage-discharge relationship, using the proposed and conventional methods, respectively.</p

The relationship of V1/V and Dr.

<p>Variation of the ratio between the velocity in the main channel to that in the whole compound channel, V1/V, with the relative depth, Dr.</p

Comparison between calculative results by different methods and measured discharge:

<p>Comparison between the computed and measured discharge, using the different methods.</p

Mean velocity of the main channel and the floodplain.

<p>Comparison between the computed and measured velocities, based on the considered compound channels with vegetation emerged velocity</p

The relationship of Q1/Q and Dr.

<p>Variation of the ratio between the discharge in the main channel to that in the whole compound channel, Q1/Q, with the relative depth, Dr.</p

Cross section of submerged vegetated compound channel.

<p>The submerged-vegetation compound channel is divided into three sub-regions, namely the main channel region (Region 1), the floodplain region with submerged vegetation (Region 2) and the floodplain region without vegetation (Region 3).</p

Values of momentum transfer coefficient.

<p>Values of momentum transfer coefficient.</p