A subtropical fate awaited freshwater discharged from glacial Lake Agassiz

Geophysical Research Letters

Volumn 38, Issue 3, 2011, Pages

  Condron, Alan ^a   Winsor, Peter ^b  

^a UNIVERSITY OF MASSACHUSETTS   (United States)

^b UNIVERSITY OF ALASKA FAIRBANKS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BUOYANCY; GLACIAL GEOLOGY; LAKES;

ANTARCTICA; BUOYANT FLOW; CIRCULATION MODELS; CLIMATIC CHANGES; CLIMATIC IMPACT; COASTAL CURRENTS; COASTAL FLOW; CONTINENTAL SHELVES; GLACIAL LAKES; GREENLAND; HIGH RESOLUTION; HUDSON BAY; NORTH ATLANTIC; NORTH ATLANTIC OCEAN; NUMERICAL MODELS;

OCEANOGRAPHY;

CONTINENTAL SHELF; DISCHARGE; FRESHWATER ENVIRONMENT; GLACIAL LAKE AGASSIZ; NUMERICAL MODEL; OCEANIC CIRCULATION; PALEOCEANOGRAPHY; RESOLUTION; SUBTROPICAL REGION;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH); CANADA; HUDSON BAY;

EID: 79951591312     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2010GL046011     Document Type: Article

References (24)

1. Alley, R. B., and A. M. Agustsdottir (2005), The 8k event: Cause and consequences of a major Holocene abrupt climate change, Quat. Sci. Rev., 24(10-11), 11 (Pubitemid 40367996)
2. Barber, D. C., et al. (1999), Forcing of the cold event of 8,200 years ago by catastrophic drainage of Laurentide lakes, Nature, 400(6742), 344-348, doi:10.1038/22504. (Pubitemid 29344195)
3. Bauer, E., A. Ganopolski, and M. Montoya (2004), Simulation of the cold climate event 8200 years ago by meltwater outburst from Lake Agassiz, Paleoceanography, 19, PA3014, doi:10.1029/2004PA001030. (Pubitemid 40042726)
4. Clarke, G. K. C., D. W. Leverington, J. T. Teller, and A. S. Dyke (2004), Paleohydraulics of the last outburst flood from glacial Lake Agassiz and the 8200 BP cold event, Quat. Sci. Rev., 23(3-4), 389-407, doi:10.1016/ j.quascirev.2003.06.004. (Pubitemid 38215093)
5. Clarke, G. K. C., A. B. G. Bush, and J. W. M. Bush (2009), Freshwater discharge, sediment transport, and modeled climate impacts of the final drainage of glacial Lake Agassiz, J. Clim., 22(8), 2161-2180, doi:10.1175/2008JCLI2439. 1.
6. Ellison, C. R. W., M. R. Chapman, and I. R. Hall (2006), Surface and deep ocean interactions during the cold climate event 8200 years ago, Science, 312(5782), 1929-1932, doi:10.1126/science.1127213. (Pubitemid 43993715)
7. Fratantoni, P. S., and M. S. McCartney (2010), Freshwater export from the Labrador Current to the North Atlantic Current at the tail of the Grand Banks of Newfoundland, Deep Sea Res., Part I, 57(2), 258-283, doi:10.1016/j.dsr.2009. 11.006.
8. Hillaire-Marcel, C., A. de Vernal, G. Bilodeau, and A. J. Weaver (2001), Absence of deep-water formation in the Labrador Sea during the last interglacial period, Nature, 410(6832), 1073-1077, doi:10.1038/ 35074059. (Pubitemid 32396408)
9. Hillaire-Marcel, C., A. de Vernal, and D. J. W. Piper (2007), Lake Agassiz final drainage event in the northwest North Atlantic, Geophys. Res. Lett., 34, L15601, doi:10.1029/2007GL030396. (Pubitemid 47521286)
10. Keigwin, L. D., J. P. Sachs, Y. Rosenthal, and E. A. Boyle (2005), The 8200 year BP event in the slope water system, western subpolar North Atlantic, Paleoceanography, 20, PA2003, doi:10.1029/2004PA001074. (Pubitemid 41417604)
11. Kleiven, H. F., et al. (2008), Reduced North Atlantic Deep Water coeval with the glacial Lake Agassiz freshwater outburst, Science, 319(5859), 60-64, doi:10.1126/science.1148924.
12. Lazier, J. R. N. (1980), Oceanographic conditions at ocean weather ship Bravo, 1964-1974, Atmos. Ocean, 18, 227-238.
13. LeGrande, A. N., et al. (2006), Consistent simulations of multiple proxy responses to an abrupt climate change event, Proc. Natl. Acad. Sci. U. S. A., 103(4), 837-842, doi:10.1073/pnas.0510095103. (Pubitemid 43212184)
14. Lentz, S. J., and K. R. Helfrich (2002), Buoyant gravity currents along a sloping bottom in a rotating fluid, J. Fluid Mech., 464, 251-278, doi:10.1017/S0022112002008868. (Pubitemid 34861607)
15. Li, Y. X., H. Renssen, A. P. Wiersma, and T. E. Tornqvist (2009), Investigating the impact of Lake Agassiz drainage routes on the 8.2 ka cold event with a climate model, Clim. Past, 5(3), 471-480, doi:10.5194/ cp-5-471-2009.
16. Marshall, J., A. Adcroft, C. Hill, L. Perelman, and C. Heisey (1997), A finite-volume, incompressible Navier Stokes model for studies of the ocean on parallel computers, J. Geophys. Res., 102(C3), 5753-5766, doi:10.1029/96JC02775.
17. Myers, P. G. (2005), Impact of freshwater from the Canadian Arctic Archipelago on Labrador Sea Water formation, Geophys. Res. Lett., 32, L06605, doi:10.1029/2004GL022082. (Pubitemid 40771666)
18. Renssen, H., H. Goosse, and T. Fichefet (2002), Modeling the effect of freshwater pulses on the early Holocene climate: The influence of high-frequency climate variability, Paleoceanography, 17(2), 1020, doi:10.1029/2001PA000649.
19. Rohling, E. J., and H. Palike (2005), Centennial-scale climate cooling with a sudden cold event around 8,200 years ago, Nature, 434(7036), 975-979, doi:10.1038/nature03421. (Pubitemid 40586039)
20. Spall, M. A. (2008), Buoyancy-forced downwelling in boundary currents, J. Phys. Oceanogr., 38(12), 2704-2721, doi:10.1175/2008JPO3993.1.
21. Stouffer, R. J., et al. (2006), Investigating the causes of the response of the thermohaline circulation to past and future climate changes, J. Clim., 19(8), 1365-1387, doi:10.1175/JCLI3689.1.
22. Straneo, F., and F. J. Saucier (2008), The outflow from Hudson Strait and its contribution to the Labrador Current, Deep Sea Res., Part I, 55, 926-946, doi:10.1016/j.dsr.2008.03.012.
23. Teller, J. T., D. W. Leverington, and J. D. Mann (2002), Freshwater outbursts to the oceans from glacial Lake Agassiz and their role in climate change during the last deglaciation, Quat. Sci. Rev., 21(8-9), 879-887, doi:10.1016/S0277-3791(01)00145-7. (Pubitemid 34315738)
24. Wunsch, C. (2010), Towards understanding the Paleocean, Quat. Sci. Rev., 29(17-18), 1960-1967, doi:10.1016/j.quascirev.2010.05.020.