Hydraulic simulations Model used –HEC-RAS 4.0b –1D model Boundary conditions –Upper: Discharge hydrograph –Lower: Constant sea levels [N 60 + 0.50…2.50.

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Presentation transcript:

Hydraulic simulations Model used –HEC-RAS 4.0b –1D model Boundary conditions –Upper: Discharge hydrograph –Lower: Constant sea levels [N …2.50 m] Water elevations to Excel (numeric results) and ArcGIS (graphic results) –Output interval: 12 hours (enough?)

Maximum difference: 0.12 m. Raumanjuopa Luotsimäenhaara

Binding RHR and water levels

Flood mapping process

Initial conditions [650 m³/s, 1.50 m]Maximum water level [1243 m³/s, 1.50 m]

Suggestion for output of results Simulations for discharge-sea level –scenarios HQ 250, 100, 50, 30 N , 1.0, 1.5, 2.0 m Water levels in main reach cross sections in every 12 hours Top levels of embankments included in the results Comments, suggestions? Shall I calculate the rest of the scenariosand deliver the results to VATT?