Table 1 Summary of flow properties of the 2010 deployment (numbering correspond to Fig. 3A).
Flow123456Mean
Duration (days)10.15.55.26.66.36.36.7
Maximum thickness (m)53574869776862
Maximum ADCP velocity (m/s)1.21.212.41.91.41.5
Average ADCP velocity (m/s)0.40.40.30.70.50.40.5
Front propagation velocity (m/s)0.80.80.71.61.51.01.1
Average height of maximum velocity above the bed (m)6.86.95.814.211.810.09.3
Time of maximum velocity after arrival of the flow front (min)25341008252536
Average sediment concentration (%vol)*0.0180.0200.0200.0230.0200.0170.020
Peak sediment concentration (%vol)*0.0760.0470.0860.1630.1680.1550.116
Maximum flow discharge (103 m3/s)4.64.92.714.916.310.49.0
Average flow discharge (103 m3/s)2.42.81.66.96.03.73.9
Maximum sediment discharge (103 kg/s)*3.12.72.013.29.06.16.0
Average sediment discharge (103 kg/s)*1.21.58.84.33.21.72.1
Water volume displaced (km3)2.11.40.74.03.32.12.3
Sediment volume displaced (Mt)*1.00.70.42.51.70.91.2
Organic carbon displaced (Mt)0.040.030.020.100.070.040.05

*Assuming a uniform grain size of 4.23 μm for inverting ADCP backscatter to sediment concentration (see Materials and Methods).

†Assuming an average carbon content of 3 to 5% weight, as measured within turbidity current deposits on the Congo Fan (see Materials and Methods) (37).