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A rating curve equation can be defined per section of the rating curve using the lowerLevel and UpperLevel tags. The equation can be in the form of a power equation or a parabola. The form of the equation:
Power equation
Parabola
In Fews you should configure the appropriate values for a, b and c
Here is an example:
Code Block |
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<ratingCurve ratingCurveId="Test location"> <location> <locationId>234206</locationId> </location> <ratingCurveType>LevelToFlow</ratingCurveType> <reversible>true</reversible> <ratingCurveEquation> <lowerLevel>0</lowerLevel> <upperLevel>0.391</upperLevel> <equation>Power</equation> <a>11.9001</a> <b>0</b> <c>1.55067</c> </ratingCurveEquation> <ratingCurveEquation> <lowerLevel>0.391</lowerLevel> <upperLevel>0.807</upperLevel> <equation>Power</equation> <a>16.6258</a> <b>-0.1</b> <c>1.8564</c> </ratingCurveEquation> </ratingCurve> |