A global review of subaqueous spreading and its morphological and sedimentological characteristics: A database for highlighting the current state of the art
- Monica Giona Bucci
- Aaron Micallef
- Morelia Urlaub
- Joshu Mountjoy
- Rachel Barrett
DOIAbstract
Subaqueous spreading, a type of extensional mass transport that is characterized by a ridge and trough morphology, has been documented globally but is poorly understood. Subaqueous spreading is observed on gently inclined surfaces (typically <3◦) when sediment bodies experience a sudden reduction of shear strength along their basal plane during clay softening or liquefaction of sands or silty sand sediment. Historically, spreading has been associated with very large landslides, but many unknown aspects of these mass movements have yet to be clarified. Does spreading influences the large catastrophic failure? What are the sedimentological and morphological aspects that contribute in initiating this process? These are some of the research que...
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