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Information
Transformation: | MergedRatingCurves |
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Transformation Group: | StageDischarge |
Description: | Merges two rating curves using a time dependent weight variable and uses the resulting rating curve to convert stage input values to discharge output values. For each timeStep in the output time series, first the specified two rating curves are merged using the value of the weight input time series at that timeStep. If weight is 1, then uses the first rating curve. If weight is 0, then uses the second rating curve. If weight is between 0 and 1, then interpolates linearly between the first and the second rating curve to get the merged rating curve. Then the merged rating curve is used to convert the stage input value for that timeStep to a discharge output value. This can only use rating curves that are stored as time series in the dataStore. This uses the equation Q_output = weight*Q_ratingCurve1(H_input) + (1 - weight)*Q_ratingCurve2(H_input). |
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