Actually, I can see why you're confused. sam74's definitions are solid, but they're backwards. The floodway represents the channel limits during a 100-year storm. The floodplain is the extent of the flood if you were to raise the surface of that floodway one foot. You can think of it as if...
Does anyone have any knowledge on the design of propulsion systems for "lazy rivers"? I'm talking about the continuous flow rides that you see at water parks. I'm looking for the dictating equations for sizing pumps and the preferred layout (smaller pumps scattered around ride vs. one central...