Port Sedimentation Calculator

Calculate tidal current velocities and volumetric flow through channels and inlets. Determine peak and mean velocities, Froude number, and tidal power density.

Inputs

Tidal basin area (m²)

Tidal range (m)

Tidal period (hours)

Channel width (m)

Mean channel depth (m)

Manning's n

Water density (kg/m³)

Tab to move between fields

Results

Peak tidal velocity (m/s)

0.26

Peak flow rate (m³/s)

105.4

Peak power density (W/m²)

9.4

Tidal prism (m³)1,500,000

Mean velocity (m/s)0.17

Froude number0.03

Reynolds number6,083,364

Slope0

How to Use This Calculator

Enter tidal basin area (m2), tidal range (m), and tidal period (hours) — M2 = 12.42 h.
Enter channel width (m) and mean depth (m).
Read tidal prism (m3) and peak tidal velocity (m/s) in the channel.
Review sediment transport potential and annual dredging volume estimate (m3/year).
Use results to schedule maintenance dredging cycles and size dredge plant requirements.

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