Abstract
Maxima and minima in concentrations of suspended particulate matter were observed from the manned submersible Deepstar-4000 at three dive sites in the western Caribbean area. Although depths of observed particulate maxima were different in each area, the layers of densest particle concentration were found between the 9°C and 12°C isotherms. This temperature level is generally coincident with the boundary between water of the Subtropical Undercurrent and Subantarctic Intermediate Water. It is believed that particle layers are a common feature of Caribbean stratification and result from low particle settling velocities, sediment erosion, and decreased vertical mixing at the depth of the thermal boundary.
Published Version
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