Channel Reach Profiler
Manning Equation
Discovery Stations (Reach 0 - 10 mi)
Point A (Female)
Station Mile
4.2m
Point B (Male)
Station Mile
7.8m
Reach Schematic & Velocity Streamlines
Subcritical Flow (Fr < 1)
Point A Discovery
Point B Discovery
Culvert Inflow
Estimated Origin Zone
Surface Drift Vectors
Forensic Drift Time-Step Scrubber
T + 0.0 hrs from Discovery A
0.0h
6.0h
Forensic Hydrology Metrics
Real-Time Output
Cross-Section Area
109.38ft²
Wetted Perimeter
49.01ft
Hydraulic Radius (R)
2.23ft
Mean Flow Velocity (v)
5.62ft/s
Total Discharge (Q)
614.7cfs
Inter-Point Distance
3.6mi
Transit Time (A to B)
56.5 min
Computed hydraulic drift duration assuming neutral buoyancy and 1.1x surface velocity factor.
Upstream Origin Backtrack
Mile 1.6
Estimated upstream release coordinate based on earliest assumed water entry window (approx 40 min prior to Discovery A).
Origin Assessment:
Separate incidents probable. The 2h 45m discovery interval significantly exceeds the 56.5 min hydraulic channel transit time.
Separate incidents probable. The 2h 45m discovery interval significantly exceeds the 56.5 min hydraulic channel transit time.
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