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Sea floor topography and flow on the flanks of the MAR.

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posted on 2013-05-02, 01:51 authored by Imants G. Priede, Odd Aksel Bergstad, Peter I. Miller, Michael Vecchione, Andrey Gebruk, Tone Falkenhaug, David S. M. Billett, Jessica Craig, Andrew C. Dale, Mark A. Shields, Gavin H. Tilstone, Tracey T. Sutton, Andrew J. Gooday, Mark E. Inall, Daniel O. B. Jones, Victor Martinez-Vicente, Gui M. Menezes, Tomasz Niedzielski, Þorsteinn Sigurðsson, Nina Rothe, Antonina Rogacheva, Claudia H. S. Alt, Timothy Brand, Richard Abell, Andrew S. Brierley, Nicola J. Cousins, Deborah Crockard, A. Rus Hoelzel, Åge Høines, Tom B. Letessier, Jane F. Read, Tracy Shimmield, Martin J. Cox, John K. Galbraith, John D. M. Gordon, Tammy Horton, Francis Neat, Pascal Lorance

(a) 3D projection from swath bathymetry surveys around the NW MAR station, vertical and horizontal scales the same. (b) Location of the NW mooring (base 2500 m depth) and flow at different heights above the sea floor. Red vectors - long term mean velocity. Green - ellipses of the dominant (M2) tidal constituent. (c) Diagrammatic cross section of a flank of the ridge showing the relationship between flat plains, gentle slopes and steep cliffs. The steep cliffs face towards the ridge axis.

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