Groups comparison
River - 1971 to 2018
Features natural or artificial rivers as locations.
Rapid - 2009 to 2016
A rapid is a section of a river where the river bed has a relatively steep gradient causing an increase in water velocity and turbulence. A rapid is a hydrological feature between a run (a smoothly flowing part of a stream) and a cascade. A rapid is cha
Features natural or artificial rivers as locations.
Rapid - 2009 to 2016
A rapid is a section of a river where the river bed has a relatively steep gradient causing an increase in water velocity and turbulence. A rapid is a hydrological feature between a run (a smoothly flowing part of a stream) and a cascade. A rapid is cha
river
rapid