Table 4 Characteristic distribution of floc sizes and settling velocities.
From: Measurement and modelling of deep sea sediment plumes and implications for deep sea mining
Particle size (μm) | Sediment | Crust debris | ||||
---|---|---|---|---|---|---|
% mass | Characteristic settling velocity (mm/s) | % mass | Characteristic settling velocity (mm/s) | |||
Laboratory experiments | Adjusted to deep sea temperature | Laboratory experiments | Adjusted to deep sea temperature | |||
>160 | 54.25 | 13 or more | 12 or more | 37 | 12 | 11 |
120–160 | 23.25 | 7 | 6.5 | 20 | 10 | 9.2 |
40–120 | 10.5 | 2.6 | 2.4 | 20.5 | 3 | 2.7 |
<40 | 3.75 | 0.2 | 0.18 | 19 | 0.5 | 0.46 |
0.0 | 0.025 | 0.023 | 1 | 0.025 | 0.023 | |
8.75 | 0.004 | 0.0036 | 2.5 | 0.004 | 0.0036 |