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A triangular unit hydrograph for 5 hr duration is having peak discharge of 45 cumecs occurring at 5 hours, and having a base width of 20 hours. If the value of ϕ - index is 0.5 cm/hr then the resulting peak discharge of direct runoff due to an average rainfall of 20 cm occurring for 10 hours duration is ______ m3/s.562.5

Answer» A triangular unit hydrograph for 5 hr duration is having peak discharge of 45 cumecs occurring at 5 hours, and having a base width of 20 hours. If the value of ϕ - index is 0.5 cm/hr then the resulting peak discharge of direct runoff due to an average rainfall of 20 cm occurring for 10 hours duration is ______ m3/s.
  1. 562.5


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