Guidance on Setup, Calibration, and Validation of Hydrodynamic, Wave, and Sediment Models for Shelf Seas and Estuaries

Table 2

Empirically derived values of the drag coefficient (at 1 m above the bed) for different bottom types; from Soulsby [50].

Bed type	C100
Mud	0.0022
Mud/sand	0.0030
Silt/sand	0.0016
Sand (unrippled)	0.0026
Sand (rippled)	0.0061
Sand/shell	0.0024
Sand/gravel	0.0024
Mud/sand/gravel	0.0024
Gravel	0.0047