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Which of the following are related mostly to hydraulic properties that govern water flow such as; size, cross section and slope?

  • A.Interception
  • B.Channel characteristics
  • C.Climatic factors
  • D.Watershed characteristics

Answer: B

They are Channel characteristics.

Among the factors that affect runoff, channel characteristics are the hydraulic properties of the stream channels: their size, cross-section, slope, roughness and storage capacity. They govern how fast water flows and how the runoff from a watershed is routed to the outlet.

Interception is rain caught by vegetation, climatic factors are rainfall intensity and duration, temperature and wind, and watershed characteristics are the area, shape, slope and land use of the whole catchment.

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