How does Labrador sea water enter the deep western boundary current?

Journal of Physical Oceanography

Volumn 38, Issue 5, 2008, Pages 968-983

  Palter, Jaime B ^a,b   Lozier, M Susan ^a   Lavender, Kara L ^c  

^a DUKE UNIVERSITY   (United States)

^b Centro Mediterráneo de Investigaciones Marinas y Ambientales   (Spain)

^c WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HEAT FLUX; HEATING EQUIPMENT; MICROFLUIDICS; OCEANOGRAPHY;

AMERICAN METEOROLOGICAL SOCIETY (AMS); BOUNDARY CURRENTS; CLIMATE CONDITIONS; DEEP WESTERN BOUNDARY CURRENT (DWBC); DENSE WATERS; EDDY HEAT FLUXES; INTERANNUAL VARIABILITY (IAV); LABRADOR SEA; LABRADOR SEA WATER (LSW); LAGRANGIAN; MEAN FLOWS; MERIDIONAL OVERTURNING CIRCULATION (MOC); SUBPOLAR GYRES; SUBPOLAR NORTH ATLANTIC; WATER MASSES;

BOUNDARY CONDITIONS;

EDDY; HEAT FLUX; SEAWATER; WATER MASS; WESTERN BOUNDARY CURRENT;

ATLANTIC OCEAN; LABRADOR SEA;

EID: 45749127924     PISSN: 00223670     EISSN: None     Source Type: Journal    
DOI: 10.1175/2007JPO3807.1     Document Type: Article

References (33)

1. Bower, A. S., and H. D. Hunt, 2000: Lagrangian observations of the deep western boundary current in the North Atlantic Ocean. Part II: The Gulf Stream-deep western boundary current crossover. J. Phys. Oceanogr., 30, 784-804.
2. Curry, R. G., M. S. McCartney, and T. M. Joyce, 1998: Oceanic transport of subpolar climate signals to mid-depth subtropical waters. Nature, 391, 575-577.
3. Davis, R. E., J. T. Sherman, and J. Dufour, 2001: Profiling ALACEs and other advances in autonomous subsurface floats. J. Atmos. Oceanic Technol., 18, 982-993.
4. Dengler, M., J. Fischer, F. A. Schott, and R. Zantopp, 2006: Deep Labrador Current and its variability in 1996-2005. Geophys. Res. Lett., 33, L21S06, doi:10.1029/2006GL026702.
5. Dickson, R., J. Lazier, J. Meincke, P. Rhines, and J. Swift, 1996: Long-term coordinated changes in the convective activity of the North Atlantic. Prog. Oceanogr., 38, 241-295.
6. Fischer, J., and F. A. Schott, 2002: Labrador Sea Water tracked by profiling floats - From the boundary current into the open North Atlantic. J. Phys. Oceanogr., 32, 573-584.
7. Fischer, J., F. A. Schott, and M. Dengler, 2004: Boundary circulation at the exit of the Labrador Sea. J. Phys. Oceanogr., 34, 1548-1570.
8. Fratantoni, D. M., 2001: North Atlantic surface circulation during the 1990's observed with satellite-tracked drifters. J. Geophys. Res., 106, 22 067-22 093.
9. Kalnay, E., and Coauthors, 1996: The NCEP/NCAR 40-Year Re-analysis Project. Bull. Amer. Meteor. Soc., 77, 437-471.
10. Katsman, C. A., M. A. Spall, and R. S. Pickart, 2004: Boundary current eddies and their role in the restratification of the Labrador Sea. J. Phys. Oceanogr., 34, 1967-1983.
11. Kieke, D., M. Rhein, L. Stramma, W. M. Smethie, D. A. LeBel, and W. Zenk, 2006: Changes in the CFC inventories and formation rates of upper Labrador Sea Water, 1997-2001. J. Phys. Oceanogr., 36, 64-86.
12. Lab Sea Group, The, 1998: The Labrador Sea Deep Convection Experiment. Bull. Amer. Meteor. Soc., 79, 2033-2058.
13. Lavender, K. L., R. E. Davis, and W. B. Owens, 2000: Mid-depth recirculation observed in the interior Labrador and Irminger seas by direct velocity measurements. Nature, 407, 66-69.
14. Lavender, K. L., R. E. Davis, and W. B. Owens, 2002: Observations of open-ocean deep convection in the Labrador Sea from subsurface floats. J. Phys. Oceanogr., 32, 511-526.
15. Lavender, K. L., W. B. Owens, and R. E. Davis, 2005: The mid-depth circulation of the subpolar North Atlantic Ocean as measured by subsurface floats. Deep-Sea Res. I, 52, 767-785.
16. Lazier, J., and D. G. Wright, 1993: Annual velocity variations in the Labrador Current. J. Phys. Oceanogr., 23, 659-678.
17. Lazier, J., R. Hendry, A. Clarke, I. Yashayaev, and P. Rhines, 2002: Convection and restratification in the Labrador Sea, 1990-2000. Deep-Sea Res. I, 49, 1819-4835.
18. Pazan, S. E., and P. Niiler, 2004: New global drifter data set available. EOS, Trans. Amer. Geophys. Union, 85, 17.
19. Pickart, R. S., and W. M. Smethie, 1998: Temporal evolution of the deep western boundary current where it enters the subtropical domain: Evidence from tracer data. Deep-Sea Res. I, 45, 1053-1083.
20. Pickart, R. S., and M. A, Spall, 2007: Impact of the Labrador Sea convection on the North Atlantic meridional overturning circulation. J. Phys. Oceanogr., 37, 2207-2227.
21. Pickart, R. S., W. M. J. Smethie, J. R. N. Lazier, E. P. Jones, and W. J. Jenkins, 1996: Eddies of newly formed upper Labrador Sea Water. J. Geophys. Res., 101, 20 711-20 726.
22. Pickart, R. S., M. A. Spall, and J. R. N. Lazier, 1997: Mid-depth ventilation in the western boundary current system of the sub-polar gyre. Deep-Sea Res. I, 44, 1025-1054.
23. Pickart, R. S., D. J. Torres, and R. A. Clarke, 2002: Hydrography of the Labrador Sea during active convection. J. Phys. Oceanogr., 32, 428-457.
24. Pickart, R. S., M. A. Spall, M. H. Ribergaard, G. W. K. Moore, and R. F. Milliff, 2003a: Deep convection in the Irminger Sea forced by the Greenland tip jet. Nature, 424, 152-156.
25. Pickart, R. S., F. Straneo, and G. W. K. Moore, 2003b: Is Labrador Sea Water formed-in the Irminger Basin? Deep-Sea Res. I, 50, 23-52.
26. Renfrew, I. A., G. W. K. Moore, P. S. Guest, and K. Bunike, 2002: A comparison of surface layer and surface turbulent flux observations over the Labrador Sea with ECMWF analyses and NCEP reanalyses. J. Phys. Oceanogr., 32, 383-400.
27. Rhein, M., and Coauthors, 2002: Labrador Sea Water: Pathways, CFC inventory, and formation rates. J. Phys. Oceanogr., 32, 648-665.
28. Schott, F. A., J. Fischer, M. Dengler, and R. Zantopp, 2006: Variability of the Deep Western Boundary Current east of the Grand Banks. Geophys. Res. Lett., 33, L21S07, doo:10.1029/2006GL026563.
29. Stramma, L., D. Kieke, M, Rhein, F. Schott, I. Yashayaev, and K. P. Koitermann, 2004: Deep water changes at the western boundary of the subpolar North Atlantic during 1996 to 2001. Deep-Sea Res. 1, 51, 1033-1056.
30. Straneo, F., 2006a: Heat and freshwater transport through the Central Labrador Sea. J. Phys. Oceanogr., 36, 606-628.
31. Straneo, F., 2006b: On the connection between dense water formation, overturning, and poleward heat transport in a convective basin. J. Phys. Oceanogr., 36, 1822-1840.
32. Straneo, F., R. S. Pickart, and K. L. Lavender, 2003: Spreading of Labrador Sea Water: An advective-diffusive study based on Lagrangian data. Deep-Sea Res. I, 50, 701-719.
33. Talley, L. D., and M. S. McCartney, 1982: Distribution and circulation of Labrador Sea Water. J. Phys. Oceanogr., 12, 1189-1205.