User Guide 020

9 List of Symbols Variable Meaning Units (SI)

Coriolis parameter 1/s

Time -averaged total water depth m

Time-averaged water surface elevation above the still water line m

Still water depth m

Source term due to precipitation, evaporation and subgrid structures m/s

Total flux velocity defined as m/a

Time- and depth-averaged current velocity vector (i.e. Eulerian velocity) m/s

Depth-averaged Stokes velocity m/s

Gravitational constant (9.806 m/s2) m/s2

Atmospheric pressure Pa

Water density (~1025 kg/m3) kg/m3

Turbulent eddy viscosity m2/s

Wind surface stress vector N/m2

Wave stress vector N/m2

Combined wave-current mean bed shear stress vector N/m2

Depth-average salinity concentration ppt

Peak bottom orbital velocity based on the significant wave height and linear wave theory m/s

Peak bottom wave orbital velocity based on the root-mean-squared wave height m/s

Air density at sea level kg/m3

Wind drag coefficient -

10-m wind speed vector m/s

10-m wind velocity magnitude m/s

Equilibrium bed load transport m2/s

Equilibrium suspended load transport m2/s

Equilibrium total load transport m2/s

median grain size m s sediment specific gravity or relative density -

Shields parameters due to currents -

Mean Shields parameters due to waves and currents -

Maximum Shields parameters due to waves and cur-rents -

Critical Shields parameter. -

Dimensionless grain size based on the median grain size -

Dimensionless grain size based on the kth size class -