Middepth spreading in the subpolar North Atlantic Ocean: Reconciling CFC-11 and float observations

Journal of Geophysical Research: Oceans

Volumn 113, Issue 8, 2008, Pages

  Kvaleberg, E ^a,b   Haine, Thomas W N ^a   Waugh, D W ^a  

^a JOHNS HOPKINS UNIVERSITY   (United States)

^b METOC   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ADVECTION; CHLOROFLUOROCARBONS; COMPUTER SIMULATION; DIFFUSION; MATHEMATICAL MODELS; OCEAN CURRENTS; OCEANOGRAPHY;

ADVECTION-DIFFUSION EQUATION; CFC; DENSITY; ESTIMATION METHOD; GYRE; NUMERICAL MODEL; OCEANIC CONVECTION; TEMPORAL VARIATION; WATER MASS;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH); IRMINGER SEA; LABRADOR SEA;

EID: 56049089892     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/2007JC004104     Document Type: Article

References (23)

1. Azetsu-Scott, K., E. P. Jones, and R. M. Gershey (2005), Distribution of water masses in the Labrador Sea inferred from CFCs and carbon tetrachloride, Mar. Chem., 94, 55-66.
2. Cunningham, S. A., and T. W. N. Haine (1995), On Labrador Sea Water in the Eastern North Atlantic. part II: Mixing dynamics and the advective-diffusive balance, J. Phys. Oceanogr., 25, 666-678.
3. Faure, V., and K. Speer (2005), Labrador Sea water circulation in the northern North Atlantic Ocean, Deep Sea Res., Part II, 52, 565-581.
4. 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.
5. Getzlaff, K., C. Böning, and J. Dengg (2006), Lagrangian perspectives of deep water export from the subpolar North Atlantic, Geophys. Res. Lett., 33, L21S08, doi:10.1029/2006GL026470.
6. Haine, T., C. Böning, P. Brandt, J. Fischer, A. Funk, D. Kieke, E. Kvaleberg, M. Rhein, and M. Visbeck (2008), North Atlantic deep water formation in the Labrador Sea, recirculation through the subpolar gyre, and discharge to the subtropics, in Arctic-Subarctic Ocean Fluxes, edited by R. R. Dickson et al., pp. 653-701, Springer, Netherlands.
7. Häkkinen, S., and P. B. Rhines (2004), Decline of subpolar North Atlantic circulation during the 1990s, Science, 304, 555-559.
8. Khatiwala, S., P. Schlosser, and M. Visbeck (2002), Rates and mechanisms of water mass transformation in the Labrador Sea as inferred from tracer observations, J. Phys. Oceanogr., 32, 666-686.
9. 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.
10. 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.
11. Lilly, J. M., P. B. Rhines, M. Visbeck, R. Davis, J. R. N. Lazier, F. Schott, and D. Farmer (1999), Observing deep convection in the Labrador Sea during winter 1994/1995, J. Phys. Oceanogr., 29, 2065-2098.
12. Marshall, J., A. Adcroft, C. Hill, L. Perelman, and C. C. Heisey (1997), A finite-volume, incompressible Navier Stokes model for studies of the ocean on parallel computers, J. Geophys. Res., 102, 5753-5766.
13. 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.
14. Pickart, R. S., M. A. Spall, M. H. Ribergaard, G. W. K. Moore, and R. F. Milliff (2003), Deep convection in the Irminger Sea forced by the Greenland tip jet, Nature, 424, 152-156.
15. Rhein, M., J. Fischer, W. M. Smethie, D. Smythe-Wright, R. F. Weiss, C. Mertens, D. H. Min, U. Fleischmann, and A. Plutzka (2002), Labrador Sea Water: Pathways, CFC-inventory and formation rates, J. Phys. Oceanogr., 32, 648-665.
16. Schmitz, W. J. (1995), On the interbasin-scale thermohaline circulation, Rev. Geophys., 33, 151-173.
17. Schmitz, W. J. (1996), On the World Ocean Circulation, vol. 1, Some Global Features/North Atlantic Circulation, Technical Report, Woods Hole Oceanographic Institution, Woods Hole, Mass.
18. Schmitz, W. J., and M. S. McCartney (1993), On the North Atlantic circulation, Rev. Geophys., 31, 29-49.
19. Straneo, F., R. S. Pickart, and K. Lavender (2003), Spreading of Labrador Sea Water: An advective-diffusive study based on Lagrangian data, Deep Sea Res., Part I, 50, 701-719.
20. Talley, L. D., and M. S. McCartney (1982), Distribution and circulation of Labrador Sea Water, J. Phys. Oceanogr., 12, 1189-1205.
21. Walker, S. J., R. F. Weiss, and P. K. Salemeh (2000), Reconstructed histories of the annual mean atmospheric mole fractions for the halocarbons CFC-11, CFC-12, CFC-113, and carbon tetrachloride, J. Geophys. Res., 105, 14,285-14,296.
22. Warner, M. J., and R. F. Weiss (1985), Solubilities of chlorofluorocarbons 11 and 12 in water and sea water, Deep Sea Res., Part I, 32, 1485-1497.
23. Yashayaev, I. (2007), Hydrographic changes in the Labrador Sea, 1960-2005, Prog. Oceanogr., 73, 242-276.