the.com/whitewater
Where a river forgets its manners and a kayaker finds religion.
means Fast, turbulent river water churned white and foamy by rocks, drops, and steep gradient.
from Plain English doing plain work: water that turns white when air gets violently whipped into it, named since the 1500s for exactly what the eye sees.
Why whiteTrapped air bubbles scatter light, killing the blue.
Class scaleRated I to VI, with V meaning prayer.
Less buoyantAerated water floats swimmers worse than calm water.