In order to go fast, they follow the edges of wave trains and hold as straight a line as possible down the river.
The hydraulic was converted into a central tongue of water ending in a wave train, with an eddy on each side.
Note: at certain levels, the wave train often "goes left" and turns the eddy in a large spinning mass.
Waiting for the next wave train, he told himself that he had not experienced a physical seizure, but instead merely an anxiety attack.
This stretch has many small, boulder rapids and wave trains.
Waverider buoy - used to measure the movement of the water surface as a wave train.
Sometimes a particularly large wave will also be followed by a "wave train", a long series of waves.
When several wave trains are present, as is always the case in nature, the waves form groups.
"A large storm over the North Pacific has sent a wave train at us."
There is now a stopper and a difficult wave train for the less experienced.