Deepwater circulation on Blake Outer Ridge (western North Atlantic) during the Holocene, Younger Dryas, and Last Glacial Maximum

Geochemistry, Geophysics, Geosystems

Volumn 9, Issue 3, 2008, Pages

  Evans, Helena K ^a   Hall, Ian R ^a  

^a CARDIFF UNIVERSITY   (United Kingdom)

Author keywords

Holocene; Last Glacial Maximum; Sortable silt; Western Boundary Undercurrent; Younger Dryas

Indexed keywords

EID: 71749103641     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2007GC001771     Document Type: Article

References (84)

1. Alley, R. B., et al. (1993), Abrupt increase in snow accumulation at the end of the Younger Dryas event, Nature, 362, 527-529.
2. Amos, A. F., A. L. Gordon, and E. D. Schneider (1971), Water masses and circulation patterns in the region of the Blake- Bahama Outer Ridge, Deep Sea Res. Oceanogr. Abstr., 18, 145-165.
3. Barranco, F. T., Jr., W. L. Balsam, and B. C. Deaton (1989), Quantitative reassessment of brick red lutites: Evidence from reflective spectrophotometry, Mar. Geol., 89, 299-314.
4. Bertram, C. J., H. Elderfield, N. J. Shackleton, and J. A. Macdonald (1995), Cadmium/calcium and carbon-isotope reconstructions of the glacial northeast Atlantic-Ocean, Paleoceanography, 10, 563-578.
5. Bianchi, G. G., I. R. Hall, I. N. McCave, and L. Joseph (1999), Measurement of the sortable silt current speed proxy using the Sedigraph 5100 and Coulter Multisizer IIe: Precision and accuracy, Sedimentology, 46, 1001-1014.
6. Bianchi, G. G., M. Vautravers, and N. J. Shackleton (2001), Deep flow variability under apparently stable North Atlantic Deep Water production during the last interglacial of the subtropical NW Atlantic, Paleoceanography, 16, 306-316.
7. Boyle, E. A., and L. D. Keigwin (1987), North Atlantic thermohaline circulation during the past 20,000 years linked to high-latitude surface temperature, Nature, 330, 35-40.
8. Broecker, W. S. (1998), Paleocean circulation during the last deglaciation: A bipolar seesaw?, Paleoceanography, 13(2), 119-121.
9. Broecker, W. S., and E. Maier-Reimer (1992), The influence of air and sea exchange on the carbon isotope distribution in the sea, Global Biogeochem. Cycles, 6(3), 315-320.
10. Broecker, W. S., D. M. Peteet, and D. Rind (1985), Does the ocean-atmosphere system have more than one stable mode of operation?, Nature, 315, 21-26.
11. Bryan, G. M. (1970), Hydrodynamic model of the Blake Outer Ridge, J. Geophys. Res., 75, 4530-4537.
12. Bulfinch, D. L., and M. T. Ledbetter (1983/1984), Deep Western Boundary Undercurrent delineated by sediment texture at base of North American continental rise, Geo Mar. Lett., 3, 31-36.
13. Bulfinch, D. L., M. T. Ledbetter, B. B. Ellwood, and W. L. Balsam (1982), The high-velocity core of the Western Boundary Undercurrent at the base of the U.S. continental rise, Science, 215, 970-973.
14. Came, R. E., D. W. Oppo, and W. B. Curry (2003), Atlantic Ocean circulation during the Younger Dryas: Insights from a new Cd/Ca record from the western subtropical South Atlantic, Paleoceanography, 18(4), 1086, doi:10.1029/2003PA000888.
15. Crowley, T. J. (1992), North Atlantic deep water cools the southern hemisphere, Paleoceanography, 7(4), 489-497.
16. 2 in the western Atlantic Ocean, Paleoceanography, 20, PA1017, doi:10.1029/2004PA001021. (Pubitemid 40865291)
17. 2 between the last glaciation and the Holocene, Paleoceanography, 3, 317-341.
18. Duplessy, J.-C., N. J. Shackleton, R. G. Fairbanks, L. Labeyrie, D. Oppo, and N. Kallel (1988), Deep-water source variations during the last climatic cycle and their impact on the global deep-water circulation, Paleoceanography, 3, 343-360.
19. Ewing, J., M. Ewing, and R. Leyden (1966), Seismic profile survey of the Blake Plateau, Am. Assoc. Petrol. Geol. Bull., 50, 1948-1971.
20. Ganopolski, A., S. Rahmstorf, V. Petoukhov, and M. Claussen (1998), Simulation of modern and glacial climates with a coupled global model of intermediate complexity, Nature, 391(6665), 351-356.
21. Gherardi, J. M., L. Labeyrie, J. F. McManus, R. Francois, L. C. Skinner, and E. Cortijo (2005), Evidence from the northeastern Atlantic basin for variability in the rate of the meridional overturning circulation through the last deglaciation, Earth Planet. Sci. Lett., 240, 710-723.
22. Grootes, P. M., and M. Stuiver (1997), Oxygen 18/16 variability in Greenland snow and ice with 10(-3)- to 10(5)-year time resolution, J. Geophys. Res., 102(C12), 26,455-26,470.
23. Hall, I. R., and J. Becker (2007), Deep Western Boundary Current variability in the subtropical northwest Atlantic Ocean during marine isotope stages 12-10, Geochem. Geophys. Geosyst., 8, Q06013, doi:10.1029/2006GC001518.
24. Hall, I. R., I. N. McCave, N. J. Shackleton, G. P. Weedon, and S. E. Harris (2001), Intensified deep Pacific inflow and ventilation in Pleistocene glacial times, Nature, 412, 809-812.
25. Hall, I. R., S. B. Moran, R. Zahn, P. C. Knutz, C.-C. Shen, and R. L. Edwards (2006), Accelerated drawdown of meridional overturning in the late-glacial Atlantic triggered by transient pre-H event freshwater perturbation, Geophys. Res. Lett., 33, L16616, doi:10.1029/2006GL026239. (Pubitemid 44945741)
26. Haskell, B. J., and T. C. Johnson (1993), Surface sediment response to deepwater circulation on the Blake Outer Ridge, western North Atlantic: Paleoceanographic implications, Sediment. Geol., 82, 133-144.
27. Haskell, B. J., T. C. Johnson, and W. J. Showers (1991), Fluctuations in deep western North Atlantic circulation on the Blake Outer Ridge during the last deglaciation, Paleoceanography, 6, 21-31.
28. Heezen, B. C., C. D. Hollister, and W. F. Ruddiman (1966), Shaping of the continental rise by deep geostrophic contour currents, Science, 152, 502-508.
29. Hewitt, C. D., R. J. Stouffer, A. J. Broccoli, J. F. B. Mitchell, and P. J. Valdes (2003), The effect of ocean dynamics in a coupled GCM simulation of the Last Glacial Maximum, Clim. Dyn., 20, 203-218.
30. Hogg, N. G. (1983), A note on the deep circulation of the western North Atlantic: Its nature and causes, Deep Sea Res., Part A, 9, 945-961.
31. Hollister, C. D., and B. C. Heezen (1972), Geologic effects of ocean bottom currents, in Studies in Physical Oceanography-A Tribute to George Wust on his 80th Birthday, vol.2, edited by A. L. Gordon, pp. 37-66, Gordon and Breach, New York.
32. Hoogakker, B. A. A., I. N. McCave, and M. J. Vautravers (2007), Antarctic link to deep flow speed variation during marine isotope stage 3 in the western North Atlantic, Earth Planet. Sci. Lett, 257(3-4), 463-473.
33. Johns, E., R. A. Fine, and R. L. Molinari (1997), Deep flow along the western boundary of the Blake Bahama Outer Ridge, J. Phys. Oceanogr., 27, 2187-2208.
34. Johnson, T. C., E. L. Lynch, W. J. Showers, and N. C. Placzuk (1988), Pleistocene fluctuations in the Western Boundary Undercurrent on the Blake Outer Ridge, Paleoceanography, 3, 191-207.
35. Keigwin, L. D. (1996), The Little Ice Age and Medieval Warm Period in the Sargasso Sea, Science, 274, 1504-1508.
36. Keigwin, L. D. (2004), Radiocarbon and stable isotope constraints on Last Glacial Maximum and Younger Dryas ventilation in the western North Atlantic, Paleoceanography, 19, PA4012, doi:10.1029/2004PA001029. (Pubitemid 40447407)
37. Keigwin, L. D., and M. A. Schlegel (2002), Ocean ventilation and sedimentation since the glacial maximum at 3 km in the western North Atlantic, Geochem. Geophys. Geosyst., 3(6), 1034, doi:10.1029/2001GC000283.
38. Keigwin, L. D., G. A. Jones, and P. N. Froelich (1992), A 15,000 year paleoenvironmental record from Meiji Seamount, far northwestern Pacific, Earth Planet. Sci. Lett., 111, 425-440.
39. Keigwin, L. D., et al. (1998), Proceedings of the Ocean Drilling Program, Initial Reports, vol.172, Ocean Drill. Program, College Station, Tex.
40. Kitoh, A., S. Murakami, and H. Koide (2001), A simulation of the last glacial maximum with a coupled atmosphere-ocean GCM, Geophys. Res. Lett., 28(11), 2221-2224.
41. Kroopnick, P. M. (1985), The distribution of C-13 of sigma-CO2 in the world oceans, Deep Sea Res., Part A, 32(1),57-84.
42. Laine, E. P., W. D. Gardner, M. J. Richardson, and M. A. Kominz (1994), Abyssal currents and advection of resuspended sediment along the north-eastern Bermuda Rise, Mar. Geol., 119, 159-171.
43. Lea, D. W., and E. A. Boyle (1990), A 210,000-year record of barium variability in the deep northwest Atlantic Ocean, Nature, 347, 269-272.
44. Leaman, K. D., and P. S. Vertes (1996), Topographic influences on recirculation in the Deep Western Boundary Current: Results from RAFOS float trajectories between the Blake-Bahama Outer Ridge and the San Salvador 'Gate', J. Phys. Oceanogr., 26, 941-961.
45. Ledbetter, M. T. (1986), Bottom-current pathways in the Argentine Basin revealed by mean silt particle size, Nature, 321, 423-425.
46. Ledbetter, M. T., and W. L. Balsam (1985), Paleoceanography of the Deep Western Boundary Undercurrent on the North American continental margin for the past 25000 yr, Geology, 13, 181-184.
47. Lee, T. N., W. E. Johns, R. J. Zantopp, and E. R. Fillenbaum (1996), Moored observations of western boundary current variability and thermocline circulation at 26.5′N in the subtropical North Atlantic, J. Phys. Oceanogr., 26, 962-983.
48. LeGrand, P., and C. Wunsch (1995), Constraints from paleotracer data on the North Atlantic circulation during the last glacial maximum, Paleoceanography, 10(6), 1011-1045.
49. Loubere, P. (1991), Deep-sea benthic foraminiferal assemblage response to a surface ocean productivity gradient: A test, Paleoceanography, 6, 193-204.
50. Loubere, P. (2000), Marine control of biological production in the eastern equatorial Pacific Ocean, Nature, 406, 497-500.
51. Lynch-Stieglitz, J. (2003), Tracers of past ocean circulation, in Treatise on Geochemistry, vol.6, The Oceans and Marine Geochemistry, edited by H. Elderfield, vol.6, pp. 433-451, Elsevier, New York.
52. Lynch-Stieglitz, J., W. B. Curry, and N. Slowey (1999), Weaker Gulf Stream in the Florida Straits during the Last Glacial Maximum, Nature, 402, 644-648.
53. Lynch-Steiglitz, J., et al. (2007), Atlantic meridional overturning circulation during the Last Glacial Maximum, Science, 316(5821), 66-69.
54. Manabe, S., and R. Stouffer (1997), Coupled ocean-atmosphere model response to freshwater input: Comparison to Younger Dryas event, Paleoceanography, 12, 321-336.
55. 230Th ratio, Paleoceanography, 15, 625-641.
56. Marchitto, T. M., and W. S. Broecker (2006), Deep water mass geometry in the glacial Atlantic Ocean: A review of constraints from the paleonutrient proxy Cd/Ca, Geochem. Geophys. Geosyst., 7, Q12003, doi:10.1029/2006GC001323.
57. Marchitto, T. M., W. B. Curry, and D. W. Oppo (1998), Millennial-scale changes in North Atlantic circulation since the last glaciation, Nature, 393(6685), 557-561.
58. McCartney, M. S. (1993), Crossing of the equator by the deep western boundary current in the Western Atlantic Ocean, J. Phys. Oceanogr., 23, 1953-1974.
59. McCave, I. N., and I. R. Hall (2006), Size sorting in marine muds: Processes, pitfalls, and prospects for paleoflow-speed proxies, Geochem. Geophys. Geosyst., 7, Q10N05, doi:10.1029/2006GC001284.
60. McCave, I. N., B. Manighetti, and S. G. Robinson (1995), Sortable silt and fine sediment size/composition slicing: Parameters for palaeocurrent speed and palaeoceanography, Paleoceanography, 10, 593-610.
61. McManus, J. F., R. Francois, J.-M. Gherardi, L. D. Keigwin, and S. Brown-Leger (2004), Collapse and rapid resumption of Atlantic meridional circulation linked to deglacial climate changes, Nature, 428, 834-837.
62. Mix, A. C., and R. G. Fairbanks (1985), North Atlantic surface-ocean control of Pleistocene deep-ocean circulation, Earth Planet. Sci. Lett., 73, 231-243.
63. Oppo, D. W., and R. G. Fairbanks (1987), Variability in the deep and intermediate water circulation of the Atlantic Ocean during the past 25,000 years: Northern Hemisphere modulation of the Southern Ocean, Earth Planet. Sci. Lett., 86, 1-15.
64. Oppo, D. W., and S. J. Lehman (1993), Mid-depth circulation of the subpolar North Atlantic during the Last Glacial Maximum, Science, 259, 1148-1152.
65. Orsi, A. H., S. S. Jacobs, A. L. Gordon, and M. Visbeck (2001), Cooling and ventilating the abyssal ocean, Geophys. Res., Lett., 28, 2923-2926.
66. Pickart, R. S. (1992), Water mass components of the North-Atlantic Deep Western Boundary Current, Deep Sea Res., Part A, 39(9), 1553-1572.
67. Rahmstorf, S. (1994), Rapid climate transitions in a coupled ocean-atmosphere model, Nature, 372(6501), 82-85.
68. Rahmstorf, S. (2002), Ocean circulation and climate during the past 120,000 years, Nature, 419, 207-214.
69. Reimer, P. J., et al. (2004), IntCal04 terrestrial radiocarbon age calibration, 0-26 cal kyr BP, Radiocarbon, 46(3), 1029-1058.
70. Richardson, M. J., M. Wimbush, and L. Mayer (1981), Exceptionally strong near-bottom flows on the continental rise of Nova-Scotia, Science, 231(4510), 887-888.
71. Robinson, L. F., J. F. Adkins, L. D. Keigwin, J. Southon, D. P. Fernandez, S. L. Wang, and D. S. Scheirer (2005), Radiocarbon variability in the western North Atlantic during the last deglaciation, Science, 310(5753), 1469-1473.
72. Sarnthein, M., K. Winn, S. J. A. Jung, J.-C. Duplessy, L. Labeyrie, H. Erlenkeuser, and G. Ganssen (1994), Changes in east Atlantic deepwater circulation over the last 30,000 years: Eight time slice reconstructions, Paleoceanography, 9(2), 209-267.
73. Seidov, D., M. Sarnthein, K. Stattegger, R. Prien, and M. Weinelt (1996), North Atlantic ocean circulation during the last glacial maximum and subsequent meltwater event: A numerical model, J. Geophys. Res., 101(C7), 16,305-16,332.
74. Shackleton, N. J. (1974), Attainment of isotopic equilibrium between ocean water and benthonic foraminifera genus Uvigerina: Isotopic changes in the ocean during the last glacial, Cent. Natl. Rech. Sci. Colloq. Int., 219, 203-210.
75. Slowey, N. C., and W. B. Curry (1995), Glacial-interglacial differences in circulation and carbon cycling within the upper western North Atlantic, Paleoceanography, 10(4), 715-732.
76. Stahr, F. R., and T. B. Sanford (1999), Transport and bottom boundary layer observations of the North Atlantic Deep Western Boundary Current at the Blake Outer Ridge, Deep Sea Res., Part II, 46, 205-243.
77. 14C, Radiocarbon, 40, 359-366.
78. Stuiver, M., P. J. Reimer, and R. W. Reimer (2005), CALIB Radiocarbon Calibration: Execute Version 5.0.2html, operating instructions, Queens University Belfast, Belfast, U. K. (Available at http://radiocarbon.pa.qub.ac. uk/calib/)
79. Weatherly, G. L., and E. A. Kelley (1984), Two views of the cold filament, J. Phys. Oceanogr., 15, 68-81.
80. Yokokawa, M., and S.-O. Franz (2002), Changes in grain size and magnetic fabric at the Blake-Bahama Outer Ridge during the late Pleistocene (marine isotope stages 8-10), Mar. Geol., 189, 123-144.
81. Yu, E.-F., R. Francois, and M. P. Bacon (1996), Similar rates of modern and last-glacial ocean thermohaline circulation inferred from radiochemical data, Nature, 379, 689-694.
82. 13C C and Cd/Ca as paleoproxies for the intermediate-depth ocean, in Carbon Cycle in the Glacial Ocean: Constraints on the Ocean's Role in Global Change, NATO ASI Ser., Ser. 1, vol.17, edited by R. Zahn et al., pp. 195-221, Springer, Berlin.
83. 13C in the tropical West Atlantic and linking with North Atlantic climates, Earth Planet. Sci. Lett., 200, 191-205.
84. 13C and accumulation rates of organic carbon: Uvigerina peregrina group and Cibididoides wuellerstorfi, Paleoceanography, 1, 27-42.