Mangrove Propagule Seeding

M. Almasri, T. Alhmiedat, M. A. Namazi, and M. Ershath, “Mangrove Propagule Seeding: Interactive dashboard for time-aware path planning with stochastic wind”

System Parameters

Propagule (Rhizophora):
Mass: 20g
Diameter: 1.8cm
Cd: 0.9 (tip-first)
Terminal velocity: ~10.8 m/s

Lagrangian Time Scale:
τL = 3.0 × H/U(H)
Proper surface-layer scaling
Realistic turbulent spread

Speed-Dependent Errors:
Timing: σ_timing = Vd × σt
Heading: σ_heading = Vd × T × σψ
Combined in quadrature (RMS)

Interactive Controls

Environmental Parameters

Wind Speed (10m): 3.0 m/s

Wind Dir (10m): 30°

Turbulence Intensity: 0.15

Operating Parameters

Drone Height: 10 m

Drone Speed: 5.0 m/s

Cell Size: 3.0m × 3.0m

Drone Heading (°): 0°

Drift curve mode: Conservative (monotonic)

Current Performance Analysis

Height: 10m
Speed: 5 m/s
75% Hit Rate

Fall Time
1.2s

Recommendation
Reduce speed

EP/CR (Rayleigh, mean-centered)
CEP50: –
CR95: –

Recall vs Height (Current Speed = 5 m/s)

Drift Distance vs Height

Recall vs Drone Speed

Error Breakdown vs Drone Speed

Operational Zones

Speed-Height Performance Map

Error Source Breakdown :

Turbulence: ±0.3m

Timing: ±0.4m

Heading: ±0.2m

Total RMS: ±0.6m

Path animation

Rows: Cols: Order (comma-sep):

Speed: —

Path-based hit rate