On the cascading of dense shelf waters in the Irminger Sea

Journal of Physical Oceanography

Volumn 42, Issue 12, 2012, Pages 2254-2267

  Falina, Anastasia ^a   Sarafanov, Artem ^a   Mercier, Herlé ^b   Lherminier, Pascale ^c   Sokov, Alexey ^a   Daniault, Nathalie ^d  

^a SHIRSHOV INSTITUTE OF OCEANOLOGY   (Russian Federation)

^b CNRS   (France)

^c IFREMER   (France)

^d UNIVERSITÉ DE BRETAGNE OCCIDENTALE   (France)

Author keywords

Bottom currents bottom water; Boundary currents; Ocean circulation; Thermohaline circulation; Upwelling downwelling; Water masses

Indexed keywords

BOTTOM CURRENT; BOUNDARY CURRENTS; OCEAN CIRCULATION; THERMOHALINE CIRCULATIONS; UPWELLING/DOWNWELLING; WATER MASS;

OCEANOGRAPHY;

RIVERS;

BOUNDARY CURRENT; CONTINENTAL SLOPE; DOWNWELLING; HYDROGRAPHY; OCEANIC CIRCULATION; SALINITY; THERMOHALINE CIRCULATION; UPWELLING; WATER MASS;

ARCTIC; ARCTIC OCEAN; ATLANTIC OCEAN; DENMARK STRAIT; EAST GREENLAND CURRENT; IRMINGER SEA; NORWEGIAN SEA;

EID: 84870939974     PISSN: 00223670     EISSN: 15200485     Source Type: Journal    
DOI: 10.1175/JPO-D-12-012.1     Document Type: Article

References (38)

1. Bacon, S., 1998: Decadal variability in the outflow from the Nordic seas to the deep Atlantic Ocean. Nature, 394, 871-874.
2. Brearley, J. A., R. S. Pickart, H. Valdimarsson, S. Jonsson, R. W. Schmitt, and T. W. N. Haine, 2012: The East Greenland Boundary Current system south of Denmark Strait. Deep-Sea Res. I, 63, 1-19.
3. Dickson, R. R., and J. Brown, 1994: The production of North Atlantic Deep Water: Sources, rates, and pathways. J. Geophys. Res., 99, 12 319-12 341.
4. Dickson, R. R., I. Yashayaev, J. Meincke, B. Turrell, S. Dye, and J. Holfort, 2002: Rapid freshening of the deep North Atlantic Ocean over the past four decades. Nature, 416, 832-837.
5. Dickson, R. R., and Coauthors, 2008: The overflow flux west of Iceland: Variability, origins and forcing. Arctic-Subarctic Ocean Fluxes: Defining the Role of the Northern Seas in Climate, R. Robert et al., Eds., Springer, 443-474.
6. Falina, A., A. Sarafanov, and A. Sokov, 2007: Variability and renewal of Labrador Sea Water in the Irminger Basin in 1991- 2004. J. Geophys. Res., 112, C01006, doi:10.1029/2005JC003348.
7. Fogelqvist, E., J. Blindheim, T. Tanhua, S. Osterhus, E. Buch, and F. Rey, 2003: Greenland-Scotland overflow studied by hydro-chemical multivariate analysis. Deep-Sea Res. I, 50, 73-102.
8. Girton, J. B., and T. B. Sanford, 2003: Descent and modification of the overflow plume in the Denmark Strait. J. Phys. Oceanogr., 33, 1351-1364.
9. Holfort, J., and T. Albrecht, 2007: Atmospheric forcing of salinity in the overflow of Denmark Strait. Ocean Sci., 3, 411-416.
10. Holliday, N. P., S. Bacon, J. T. Allen, and E. L. McDonagh, 2009: Circulation and transport in the western boundary currents at Cape Farewell, Greenland. J. Phys. Oceanogr., 39, 1854- 1870.
11. Käse, R. H., J. B. Girton, and T. B. Sanford, 2003: Structure and variability of the Denmark Strait Overflow: Model and observations. J. Geophys. Res., 108, 3181, doi:10.1029/ 2002JC001548.
12. Keike, D., and M. Rhein, 2006: Variability of the overflow water transport in the western subpolar North Atlantic, 1950-97. J. Phys. Oceanogr., 36, 435-456.
13. Kokoszka, F., 2012: Estimations du mélange vertical le long de sections hydrologiques en Atlantique nord. Ph.D. thesis, Universitéde Bretagne Occidentale, 191 pp.
14. Lauderdale, J. M., S. Bacon, A. C. Naveira Garabato, and N. P. Holliday, 2008: Intensified turbulent mixing in the boundary current system of southern Greenland. Geophys. Res. Lett., 35, L04611, doi:10.1029/2007GL032785.
15. Lazier, J. R. N., R. Hendry, A. Clarke, I. Yashayaev, and P. Rhines, 2002: Convection and restratification in the Labrador Sea, 1990-2000. Deep-Sea Res., 49, 1819-1835.
16. Lherminier, P., H. Mercier, C. Gourcuff, M. Alvarez, S. Bacon, and C. Kermabon, 2007: Transports across the 2002 Greenland- Portugal Ovide section and comparison with 1997. J. Geophys. Res., 112, C07003, doi:10.1029/2006JC003716.
17. Lherminier, P., H. Mercier, T. Huck, C.Gourcuff, F. F. Perez, P.Morin, A. Sarafanov, and A. Falina, 2010: The Atlantic meridional overturning circulation and the subpolar gyre observed at the A25- OVIDE section in June 2002 and 2004. Deep-Sea Res., 57, 1374-1391.
18. Macrander, A., U. Send, H. Valdimarsson, S. Jó nsson, and R. H. Kä se, 2005: Interannual changes in the overflow from theNordic Seas into theAtlanticOcean throughDenmark Strait. Geophys. Res. Lett., 32, L06606, doi:10.1029/2004GL021463.
19. Macrander, A., R. H. Kä se, U. Send, H. Valdimarsson, and S. Jó nsson, 2007: Spatial and temporal structure of the Denmark Strait Overflow revealed by acoustic observations. Ocean Dyn., 57, 75-89.
20. Magaldi, M. G., T. W. N. Haine, and R. S. Pickart, 2011: On the nature and variability of the East Greenland Spill Jet: A case study in summer 2003. J. Phys. Oceanogr., 41, 2307- 2327.
21. Malmberg, S. A., 1972: Intermediate Polar Water in the Denmark Strait-"overflow." August 1971. ICES Conf. Meet., 6, 44-60.
22. Nansen, F., 1912: Das bodenwasser und die abkuhlung des meeres. Int. Rev. Gesamten Hydrobiol. Hydrograph., 1, 1-42.
23. 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.
24. Pickart, R. S., D. J. Torres, and P. S. Fratantoni, 2005: The East Greenland spill jet. J. Phys. Oceanogr., 35, 1037-1053.
25. Rudels, B., P. Eriksson, H. Grö nvall, R. Hietala, and J. Launiainen, 1999: Hydrographic observations in Denmark Strait in Fall 1997, and their implications for the entrainment into the overflow plume. Geophys. Res. Lett., 26, 1325-1328.
26. Rudels, B., E. Fahrbach, J. Meincke, G. Budeus, and P. Eriksson, 2002: The East Greeenland Current and its contribution to the Denmark Strait overflow. ICES J. Mar. Sci., 59, 1133-1154.
27. Sarafanov, A., 2009: On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters. ICES J. Mar. Sci., 66, 1448- 1454, doi:10.1093/icesjms/fsp094.
28. Sarafanov, A., A. Sokov, A. Demidov, and A. Falina, 2007: Warming and salinification of intermediate and deep waters in the Irminger Sea and Iceland Basin in 1997-2006. Geophys. Res. Lett., 34, L23609, doi:10.1029/2007GL031074.
29. Sarafanov, A., A. Falina, H. Mercier, P. Lherminier, and A. Sokov, 2009: Recent changes in the Greenland-Scotland overflow-derived water transport inferred from hydrographic observations in the southern Irminger Sea. Geophys. Res. Lett., 36, L13606, doi:10.1029/2009GL038385.
30. Sarafanov, A., H. Mercier, A. Falina, A. Sokov, and P. Lherminier, 2010: Cessation and partial reversal of deep water freshening in the northern North Atlantic: Observation-based estimates and attribution. Tellus, 62A, 80-90, doi:10.1111/j.1600-0870.2009.00418.x.
31. Sarafanov, A., and Coauthors, 2012: Mean full-depth summer circulation and transports at the northern periphery of the Atlantic Ocean in the 2000s. J. Geophys. Res., 117, C01014, doi:10.1029/ 2011JC007572.
32. Smith, P. C., 1976: Baroclinic instability in the Denmark Strait overflow. J. Phys. Oceanogr., 6, 355-371.
33. Sutherland,D.A.,andR. S. Pickart, 2008: TheEastGreenland Coastal Current: Structure, variability, and forcing. Prog. Oceanogr., 78, 58-77.
34. Tanhua, T., K. A. Olsson, and E. Jeansson, 2005: Formation of Denmark Strait overflow water and its hydro-chemical composition. J. Mar. Syst., 57, 264-288.
35. Va°ge, K., and Coauthors, 2011a: The Irminger Gyre: circulation, convection, and interannual variability. Deep-Sea Res. I, 58, 590-614, doi:10.1016/j.dsr.2011.03.001.
36. Va°ge, K., R. S. Pickart, M. A. Spall, H. Valdimarsson, S. Jonsson, D. J. Torres, S. Osterhus, and T. Eldevik, 2011b: Significant role of the North Icelandic Jet in the formation of Denmark Strait overflow water. Nat. Geosci., 4, 723-727, doi:10.1038/ngeo1234.
37. Yashayaev, I., and R. Dickson, 2008: Transformation and fate of overflows in the Northern North Atlantic. Arctic-Subarctic Ocean Fluxes, R. Dickson, J. Meincke, and P. Rhines, Eds., Springer, 505-526, doi:10.1007/978-1-4020-6774-7_22.
38. Yashayaev, I., H. van Aken, P. Holliday, and M. Bersch, 2007: Transformation of the Labrador Sea Water in the subpolar North Atlantic. Geophys. Res. Lett., 34, L22605, doi:10.1029/ 2007GL031812.