Conclusions

• Discharge,Q is a function of duration, D, area, A, and frequency

  • choose a frequency (100 years)
  • choose a reference duration (3 days)
  • Q(A, D) = Q(A, 3) * [Q(D)/Q(3)]
  • tests on Des Moines basin (6 gages) and Upper Mississippi (4 gages)

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