Many deep-sea sediment
deposits represent sediment that was transported by sediment-laden density
flows. Yet the details of spatial and temporal fluctuations in flow structure
responsible for the deposits have been poorly constrained due to technological
challenges. To address this limitation, Perillo et al. present a non-invasive
acoustic reflection technique to visualize the internal structure of sediment-laden
flows over a wide range of sediment concentrations (5–75%), and the acoustic
reflection character of resultant deposits. The results illustrate means to
study such processes in the lab, and how those might be used to understand ancient
analogs.
Acoustic imaging of experimental subaqueous sediment-laden flows and their deposits by Mauricio M. Perillo, Brandon Minton, Jim Buttles, and David Mohrig
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