Rivers on the seafloor: the dynamics of submarine density driven flows

Robert Dorrell (University of Leeds)

Frank Adams 1, Alan Turing Building,

Continental margins across the planet are littered with canyons and
channels, some as much as a hundred kilometers wide and thousands of
kilometers long. These channels have been constructed over millions of years
by vast density driven flows, generated by sporadic failure of the seafloor,
each capable of transporting more sediment than the combined yearly flux of
terrestrial rivers. However, the dynamics of these flows, and thus the
resultant landforms they build on the seabed, are poorly understood. This
talk will aim to highlight how the deposits from such flows offer a record
of their initiation mechanisms and frequency, and also how the channelized
flows may be substantially different from their fluvial counterparts.

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