Himalayan GLOF Cascade & Transboundary Flood Risk Simulator

Presets & Triggers

Trigger Mechanism

Glacial Lake Hydro-Geometry

Lake Storage Volume 18.5 MCM

Moraine Dam Height 42 m

Sediment Bulking Factor 1.45×

Valley Gradient 6.8%

Gorge Constriction Bottleneck 8.5 km

Mitigation & Defenses

Controlled Lake Siphoning (-25% Storage) Early Telemetry Sirens (+15 min Lead) Riverbed Berms / Sediment Dredge

Transboundary Profile (4,800m → 1,200m) Wave Simulation: T + 0.0 min

Wave Time:

Peak Outburst Discharge (Qpeak) 4,820 m³/s

Secondary Landslide Dam Risk 78% Probability

Border Checkpost Inundation 8.6 m Max Stage

Border Rescue Evacuation Lead 24.4 min Lead

Cascade Hazard Warning: Extreme flow velocity through steep valley constriction (8.5 km) creates high wall scour. Saturated slope failure risk elevates secondary backwater burst probability along cross-border access roads.

Downstream Station Risk

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