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Nautical Bottom Mapping With a Sub-bottom Profiler

The setting is a natural harbour and river estuary. The river and estuary are too shallow for large container ships to pass during low tide. The waterway and the berth pockets along the river are being dredged regularly. One of the techniques used in this area is Water Injection Dredging. During this process water is injected under low pressure in the muddy bottom. This mix of water and sediment forms a turbidity current flowing down the slope or is transported by the tide.

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