Corps of Engineers' Experience with Automatic Calibration of a Precipitation-runoff Model

Released on by David T. Ford
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  • Corps of Engineers' Experience with Automatic Calibration of a Precipitation-runoff Model Book Detail

  • Author : David T. Ford
  • Release Date : 1980
  • Publisher :
  • Genre : Flood forecasting
  • Pages : 20
  • ISBN 13 :
  • File Size : 60,60 MB
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Corps of Engineers' Experience with Automatic Calibration of a Precipitation-runoff Model by David T. Ford PDF Summary

Book Description: Computer program HEC-1, a precipitation-runoff model widely used throughout the United States, includes the capability to estimate automatically any of twelve parameters necessary to model the precipitation-runoff process and the channel routing process. The parameter estimation scheme employs Newton's method to minimize a weighted sum of squares of differences between observed and computed hydrograph values. Applications of this parameter estimation procedure are presneted, and typical steps of the procedure for deterimining optimal parameter estimates are outlined. Recent efforts to improve the estimation algorithm and recent use of the calibration capability to update sequentially parameter estimates in a flood forecasting application are discussed. (Author).

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