Revert to SD Curve when no goals apply

[analytophile]

Addressing a Problem?

Introduce an expression similar to :Expression USE_SD_CURVE such that the existing non-linear implementation stage discharge curve can be reverted back to rather than reconstructing it from a lookup table or similar when :OverrideStageDischargeCurve is on for the subbasin

Potential Solution

No response

Additional context

request by G. Brown, NHC

Contribution

• I would be willing/able to open a Pull Request to contribute this feature.