RAS2FIM version explainer

Parent model

V1

What does the model look like?

A map…

What are the Rating Curves?

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Longitudinal model profiles

V2

What does the model look like?

A map…

What are the Rating Curves?

Longitudinal model profiles

Compairing otherwise identical models

Hydraulic models have an incredible number of parameters. Comparing them directly requires harmonizing their outputs across a shared domain.

Model Comparison Metrics
Analysis of WSE Residuals (V2 - V1) across interpolated flow range
River Stationing MAE (ft) RMSE (ft) Mean Bias (ft) Max Absolute Diff (ft)
704 0.024 0.057 0.008 0.478
534 0.055 0.129 0.022 0.549
250 0.026 0.057 −0.014 0.351
149 0.252 0.631 0.117 2.618
Metrics calculated over the shared discharge domain.