Hydrography and flow in the Lucky Strike segment of the Mid-Atlantic Ridge

Journal of Marine Research

Volumn 66, Issue 3, 2008, Pages 347-372

  Thurnherr, A M ^a   Reverdin, G ^b   Bouruet Aubertot, P ^b   St Laurent, L C ^c   Vangriesheim, A ^d   Ballu, V ^e,f  

^a International Research Institute for Climate and Society   (United States)

^b UNIVERSITÉ PIERRE ET MARIE CURIE   (France)

^c FLORIDA STATE UNIVERSITY   (United States)

^d IFREMER   (France)

^e INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

^f UNIVERSITÉ DE NICE SOPHIA ANTIPOLIS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

HYDROGRAPHY; HYDROTHERMAL VENT; LIGHT SCATTERING; MIXING; MONITORING SYSTEM; PLUME; RIFT ZONE; SEAFLOOR SPREADING;

ATLANTIC OCEAN; ATLANTIC OCEAN (SOUTH); MID-ATLANTIC RIDGE;

EID: 56549129357     PISSN: 00222402     EISSN: 15439542     Source Type: Journal    
DOI: 10.1357/002224008786176034     Document Type: Article

References (34)

1. Baker, E. T. and C. R. German. 2004. On the global distribution of hydrothermal vent fields, in Mid-Ocean Ridges: Hydrothermal Interactions Between the Lithosphere and Oceans, Geophysical Monograph Series, 148, C. R. German, J. Lin and L. M. Parson, eds., 245-266.
2. Cannat, M., A. Briais, C. Deplus, J. Escartín, J. Georgen, J. Lin, S. Mercouriev, C. Meyzen, M. Muller, G. Pouliquen, A. Rabain, and P. da Silva. 1999. Mid-Atlantic Ridge-Azores hotspot interactions: Along-axis migration of a hotspot-derived event of enhanced magmatism 10 to 4 Ma ago. Earth Planet. Sci. Lett., 173, 257-269.
3. Converse, D. R., H. D. Holland and J. M. Edmond. 1984. Flow rates in the axial hot springs of the East Pacific Rise (21°N): Implications for the heat budget and the formation of massive sulfide deposits. Earth Planet. Sci. Lett., 69, 159-175.
4. Curry, R., B. Dickson and I. Yashayaev. 2003. A change in the freshwater balance of the Atlantic Ocean over the past four decades. Nature, 426, 826-829.
5. Elderfield, H. and A. Schultz. 1996. Mid-ocean ridge hydrothermal fluxes and the chemical composition of the ocean. Annu. Rev. Earth Planet. Sci., 24, 191-224.
6. German, C. R., E. T. Baker and G. Klinkhammer. 1995. Regional setting of hydrothermal activity. Geol. Soc. London Spec. Publ., 87, 3-15.
7. German, C. R., L. M. Parson and the HEAT Scientific Team. 1996. Hydrothermal exploration at the Azores triple-junction: Tectonic control of venting at slow-spreading ridges? Earth Planet. Sci. Lett., 138, 93-104.
8. Gould, W. J. 1985. Physical oceanography of the Azores front. Prog. Oceanogr., 14, 167-190.
9. Harvey, J. and M. Arhan. 1988. The water masses of the central North Atlantic in 1983-84. J. Phys. Oceanogr., 18, 1855-1875.
10. Herring, P. 2002. The Biology of the Deep Ocean. Oxford University Press., 314 pp.
11. 3He in hydrothermal vents and plume of the Lucky Strike site (Mid-Atlantic Ridge 36°17′N) and associated geothermal heat flux. Earth Planet. Sci. Lett., 157, 69-77.
12. Jean-Baptiste, P., E. Fourré, J.-L. Charlou, C. R. German and J. Radford-Knoery. 2004. Helium isotopes at the Rainbow hydrothermal site (Mid-Atlantic Ridge, 36:14N). Earth Planet. Sci. Lett., 221, 325-335.
13. 3He plumes over the northern Mid-Atlantic Ridge (36°N-40°N) and the Azores Platform. Geochem. Geophys. Geosyst., 9, Q03010.
14. Johnson, G. C. and T. B. Sanford. 1992. Secondary circulation in the Faroe Bank Channel outflow. J. Phys. Oceanogr., 22, 927-933.
15. Keller, G. H., S. H. Anderson and J. W. Lavelle. 1975. Near-bottom currents in the Mid-Atlantic Ridge rift valley. Can. J. Earth Sci., 12, 703-710.
16. Khripounoff, A., T. Comtet, A. Vangriesheim and P. Crassous. 2000. Near-bottom biological and mineral particle flux in the Lucky Strike hydrothermal vent area (Mid-Atlantic Ridge). J. Mar. Syst., 25, 101-118.
17. Khripounoff, A., A. Vangriesheim, P. Crassous, M. Segonzac, A. Colaco, D. Desbruyeres and R. Barthelemy. 2001. Particle flux in the Rainbow hydrothermal vent field (Mid-Atlantic Ridge): Dynamics, mineral and biological composition. J. Mar. Res., 59, 633-656.
18. Khripounoff, A., A. Vangriesheim, P. Crassous, M. Segonzac, V. Lafon and A. Warén. 2008. Temporal variation of currents, particulate flux and organism supply at two deep-sea hydrothermal fields of the Azores Triple Junction. Deep-Sea Res. I, 55, 532-551.
19. Klinkhammer, G. P., C. S. Chin, C. Wilson and C. R. German. 1995. Venting from the Mid-Atlantic Ridge at 37°17′N: The Lucky Strike Hydrothermal Site. Geol. Soc. London Spec. Publ., 87, 87-96.
20. Langmuir, C., S. Humphris, D. Fomari, C. VanDover, K. VonDamm, M. K. Tivey, D. Colodner, J. L. Charlou, D. Desonie, C. Wilson, Y. Fouquet, G. Klinkhammer and H. Bougault. 1997. Hydrothermal vents near a mantle hot spot: The Lucky Strike vent field at 37°N on the Mid-Atlantic Ridge. Earth Planet. Sci. Lett., 148, 69-91.
21. McDuff, R. E. 1995. Physical dynamics of deep-sea hydrothermal plumes, in Seafloor Hydrothermal Systems, S. E. Humphris, R. A. ZierenbeTg, L. S. Mullineaux and R. E. Thomson, eds., Physical, Chemical, Biological, and Geological Interactions.
22. Mullineaux, L. S., P. H. Wiebe and E. T. Baker. 1995. Larvae of benthic invertebrates in hydrothermal vent plumes over Juan-de-Fuca Ridge. Mar. Biol., 122, 585-596.
23. Otto, T. D. and A. M. Thurnherr. 2007. Efficient algorithms for finding sills in digital topographic maps. Computers and Geosciences, 33, 678-684.
24. Saunders, P. M. and T. J. Francis. 1985. The search for hydrothermal sources on the Mid-Atlantic Ridge. Prog. Oceanogr., 14, 527-536.
25. St. Laurent, L. C. and A. M. Thurnherr. 2007. Intense mixing of lower thermocline water on the crest of the Mid-Atlantic Ridge. Nature, 448, 680-683.
26. St. Laurent, L. C., J. M. Toole and R. W. Schmitt. 2001. Buoyancy forcing by turbulence above rough topography in the abyssal Brazil Basin. J. Phys. Oceanogr., 31, 3476-3495.
27. Sy, A. 1988. Investigation of large-scale circulation patterns in the central North Atlantic: The North Atlantic Current, the Azores Current, and the Mediterranean Water plume in the area of the Mid-Atlantic Ridge. Deep Sea Res., Part A. 35, 383-413.
28. Thurnherr, A. M. 2006. Diapycnal mixing associated with an overflow in a deep submarine canyon. Deep-Sea Res. II, 53, 194-206.
29. Thurnherr, A. M. and K. J. Richards. 2001. Hydrography and high-temperature heat flux of the Rainbow hydrothermal site (36°14′N, Mid-Atlantic Ridge). J. Geophys. Res., 106, 9411-9426.
30. Thurnherr, A. M., K. J. Richards, C. R. German, G. F. Lane-Serff and K. G. Speer. 2002. Flow and mixing in the rift valley of the Mid-Atlantic Ridge. J. Phys. Oceanogr., 32, 1763-1778.
31. Thurnherr, A. M. and K. G. Speer. 2003. Boundary mixing and topographic blocking on the Mid-Atlantic Ridge in the South Atlantic. J. Phys. Oceanogr., 33, 848-862.
32. Thurnherr, A. M., L. C. St. Laurent, K. G. Speer, J. M. Toole and J. R. Ledwell. 2005. Mixing associated with sills in a canyon on the mid-ocean ridge flank. J. Phys. Oceanogr., 35, 1370-1381.
33. Wilson, C., J. L. Charlou, E. Ludford, G. Klinkhammer, C. Chin, H. Bougault, C. German, K. Speer and M. Palmer. 1996. Hydrothermal anomalies in the Lucky Strike segment on the Mid-Atlantic Ridge (37°17′N). Earth Planet. Sci. Lett., 142, 467-477.
34. Wilson, C., K. Speer, J.-L. Charlou, H. Bougault, and G. Klinkhammer. 1995. Hydrography above the Mid-Atlantic Ridge (33°-40°N) and within the Lucky Strike segment. J. Geophys. Res., 100, 20,555-20,564.