Ring of Fire 2002 Expedition. A cross-section of a hydrothermal plume over
Magic Mountain, which is at the shallowest point of the Southern Explorer
Ridge. The plume was mapped using the CTD. Red NTU values indicate high values
of particulates in the water column, which are a signature of hydrothermal
plumes. The black lines are the CTD tow yo track going up and down in the water.
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