Figure 3: Characteristics of the BVF water column.
From: Hydrothermal vent fields and chemosynthetic biota on the world's deepest seafloor spreading centre
(a) Profiles of LSS and Eh indicating the neutrally buoyant and buoyant hydrothermal plume above the BVF. (b) Autosub6000 survey of Eh anomalies at 60-m altitude above the BVF; Eh values in these diagrams are the raw values of the Pt electrode voltage against the Ag–AgCl reference electrode in a saturated KCl solution (c) Variation of plume rise height with seafloor exit temperature in the water column of the MCSC, 1, 0.2/1.5; 2, 0.1/1.5; 3, 0.2/0.5; 4, 0.1/0.5 vent area (m−2)/vertical exit velocity (ms−1), respectively, estimated from video observations at BVF.
