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个人简介
My research aims to understand how the modern deep ocean circulation shapes the sea bed and controls the distribution of sediment types, grain-sizes and bedforms. I then apply that understanding to interpretation of the geological record of the changing deep-sea circulation in piston and gravity cores for the late Pleistocene, and Ocean Drilling Project cores for the Neogene and earlier Pleistocene. Insight developed over the last 30 years concerning mechanics of fine sediment erosion, transport, aggregation and deposition shows that sediments become more cohesive, and all form aggregates, below 10 µm grainsize, but above that size they increasingly behave non-cohesively and are sorted by prevailing currents. This 'sortable silt' (10-63 µm) has a mean size that provides a proxy for depositional current speed and allows insight into changes in deep circulation vigour.
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#Papers: 280
#Citation: 18340
H-Index: 67
G-Index: 128
Sociability: 6
Diversity: 3
Activity: 22
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