Two stable equilibria of the Atlantic subpolar gyre

Journal of Physical Oceanography

Volumn 44, Issue 1, 2014, Pages 246-264

  Born, Andreas ^a   Stocker, Thomas F ^a  

^a UNIVERSITY OF BERN   (Switzerland)

Author keywords

Atlantic ocean; Atm Ocean Structure Phenomena; Circulation Dynamics; Geographic location entity; Gyres; Ocean circulation; Ocean dynamics; Oceanic variability; Variability

Indexed keywords

ATLANTIC OCEAN; GEOGRAPHIC LOCATION; GYRES; OCEAN CIRCULATION; OCEAN DYNAMICS; OCEANIC VARIABILITIES; VARIABILITY;

OCEANOGRAPHY;

BUOYANCY;

ATMOSPHERE-OCEAN SYSTEM; BAROCLINIC MOTION; BUOYANCY; CLIMATE VARIATION; CONVECTIVE SYSTEM; GYRE; OCEANIC CIRCULATION; WESTERN BOUNDARY CURRENT;

ATLANTIC OCEAN; LABRADOR SEA;

EID: 84892660897     PISSN: 00223670     EISSN: 15200485     Source Type: Journal    
DOI: 10.1175/JPO-D-13-073.1     Document Type: Article

References (81)

1. Biastoch, A., R. H. Käse, and D. B. Stammer, 2003: The sensitivity of the Greenland-Scotland Ridge overflow to forcing changes. J. Phys. Oceanogr., 33, 2307-2319.
2. Böning, C. W., and F. Bryan, 1996: Large-scale transport processes in high-resolution circulation models. The Warmwatersphere of the North Atlantic Ocean, W. Krauss, Ed., Gebrüder Borntraeger, 91-128.
3. Böning, C. W., F. Bryan, W. R. Holland, and R. Döscher, 1996: Deep-water formation and meridional overturning in a high-resolution model of the North Atlantic. J. Phys. Oceanogr., 26, 1142-1164.
4. Böning, C. W., M. Scheinert, J. Dengg, A. Biastoch, and A. Funk, 2006: Decadal variability of subpolar gyre transport and its reverberation in the North Atlantic overturning. Geophys. Res. Lett., 33, L21S01, doi:10.1029/2006GL026906.
5. Born, A., and A. Levermann, 2010: The 8.2 ka event: Abrupt transition of the subpolar gyre toward a modern North Atlantic circulation. Geochem. Geophys. Geosyst., 11, Q06011, doi:10.1029/2009GC003024.
6. Born, A., and J. Mignot, 2012: Dynamics of decadal variability in the Atlantic subpolar gyre: A stochastically forced oscillator. Climate Dyn., 39, 461-474, doi:10.1007/s00382-011-1180-4.
7. Born, A., A. Levermann, and J. Mignot, 2009: Sensitivity of the Atlantic Ocean circulation to a hydraulic overflow parameterisation in a coarse resolution model: Response of the subpolar gyre. Ocean Modell., 27 (3-4), 130-142.
8. Born, A., M. Kageyama, and K. H. Nisancioglu, 2010a: Warm Nordic seas delayed glacial inception in Scandinavia. Climate Past, 6, 817-826, doi:10.5194/cp-6-817-2010.
9. Born, A., K. H. Nisancioglu, and P. Braconnot, 2010b: Sea ice induced changes in ocean circulation during the Eemian. Climate Dyn., 35, 1361-1371, doi:10.1007/s00382-009-0709-2.
10. Born, A., K. H. Nisancioglu, and B. Risebrobakken, 2011: Late Eemian warming in the Nordic seas as seen in proxy data and climate models. Paleoceanography, 26, PA2207, doi:10.1029/2010PA002027.
11. Born, A., T. F. Stocker, C. C. Raible, and A. Levermann, 2012: Is the Atlantic subpolar gyre bistable in comprehensive coupled climate models? Climate Dyn., 40, 2993-3007, doi:10.1007/s00382-012-1525-7.
12. Born, A., T. F. Stocker, and A. B. Sandø, 2013: Coupling of eastern and western subpolar NorthAtlantic: Salt transport in the Irminger Current. Ocean Sci. Discuss., 10, 555-579, doi:10.5194/osd-10-555-2013.
13. Colin, C., N. Frank, K. Copard, and E. Douville, 2010: Neodymium isotopic composition of deep-sea corals fromtheNE Atlantic: Implications for past hydrological changes during the Holocene. Quat. Sci. Rev., 29, 2509-2517, doi:10.1016/j.quascirev.2010.05.012.
14. Condron, A., and I. A. Renfrew, 2012: The impact of polar mesoscale storms on northeast Atlantic Ocean circulation. Nat. Geosci., 6, 34-37, doi:10.1038/ngeo1661.
15. Curry, R. G., and M. S. McCartney, 2001: Ocean gyre circulation changes associated with the North Atlantic Oscillation. J. Phys. Oceanogr., 31, 3374-3400.
16. Curry, R. G., and C. Mauritzen, 2005: Dilution of the northern North Atlantic Ocean in recent decades. Science, 308, 1772-1774.
17. Delworth, T. L., S. Manabe, and R. J. Stouffer, 1993: Interdecadal variations of the thermohaline circulation in a coupled ocean-atmosphere model. J. Climate, 6, 1993-2011.
18. Deshayes, J., F. Straneo, and M. A. Spall, 2009: Mechanisms of variability in a convective basin. J. Mar. Res., 67, 273-303.
19. 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.
20. Dima, M., and G. Lohmann, 2011: Hysteresis behavior of the Atlantic Ocean circulation identified in observational data. J. Climate, 24, 397-403.
21. Eden, C., and T. Jung, 2001: North Atlantic interdecadal variability: Oceanic response to the North Atlantic Oscillation (1865-1997). J. Climate, 14, 676-691.
22. Eden, C., and J. Willebrand, 2001: Mechanism of interannual to decadal variability of the North Atlantic circulation. J. Climate, 14, 2266-2280.
23. Gao, Y.-Q., and L. Yu, 2008: Subpolar gyre index and the North Atlantic meridional overturning circulation in a coupled climate model. Atmos. Oceanic Sci. Lett., 1, 29-32.
24. Gent, P. R., and Coauthors, 2011: The Community Climate System Model version 4. J. Climate, 24, 4973-4991.
25. Green, J. S. A., 1970: Transfer properties of the large-scale eddies and the general circulation of the atmosphere. Quart. J. Roy. Meteor. Soc., 96, 157-185.
26. Häkkinen, S., and P. B. Rhines, 2004: Decline of subpolar North Atlantic circulation during the 1990s. Science, 304, 555-559.
27. Häkkinen, S., P. B. Rhines, and D. L. Worthen, 2011: Atmospheric blocking and Atlantic multidecadal ocean variability. Science, 334, 655-659, doi:10.1126/science.1205683.
28. Hátún, H., A. B. Sandø, H. Drange, B. Hansen, and H. Valdimarsson, 2005: Influence of the Atlantic subpolar gyre on the thermohaline circulation. Science, 309, 1841-1844.
29. Holland, M. M., J. Finnis, and M. C. Serrenze, 2006: Simulated Arctic Ocean freshwater budgets in the twentieth and twentyfirst centuries. J. Climate, 19, 6221-6242.
30. Holliday, N. P., S. Bacon, J. Allen, and E. L. McDonagh, 2009: Circulation and transport in the western boundary currents at Cape Farewell, Greenland. J. Phys. Oceanogr., 39, 1854-1870.
31. Iovino, D., F. Straneo, and M. Spall, 2008: The effect of a sill on dense water formation in a marginal sea. J. Mar. Res., 66, 325-345.
32. Irvali, N., and Coauthors, 2012: Rapid switches in subpolar North Atlantic hydrography and climate during the last interglacial (MIS 5e). Paleoceanography, 27, PA2207, doi:10.1029/2011PA002244.
33. Kuhlbrodt, T., S. Titz, U. Feudel, and S. Rahmstorf, 2001:Asimple model of seasonal open ocean convection. Part II: Labrador Sea stability and stochastic forcing. Ocean Dyn., 52, 36-49.
34. Langehaug, H., I. Medhaug, T. Eldevik, and O. H. Otterå, 2012: Arctic/Atlantic exchanges via the subpolar gyre. J. Climate, 25, 2421-2439.
35. Latif, M., C. Böning, J. Willebrand, A. Biastoch, J. Dengg, N. Keenlyside, U. Schwenckendiek, and G. Madec, 2006: Is the thermohaline circulation changing? J. Climate, 19, 4631-4637.
36. Lazier, J. R. N., 1980: Oceanographic conditions at ocean weather ship Bravo, 1964-1974. Atmos.-Ocean, 18, 227-238.
37. Lehner, F., C. C. Raible, D. Hofer, and T. F. Stocker, 2012: The freshwater balance of polar regions in transient simulations from 1500 to 2100 AD using a comprehensive coupled climate model. Climate Dyn., 39, 347-363.
38. Levermann, A., and A. Born, 2007: Bistability of the Atlantic subpolar gyre in a coarse-resolutionmodel. Geophys. Res. Lett., 34, L24605, doi:10.1029/2007GL031732.
39. Lohmann, K., H. Drange, and M. Bentsen, 2009a: A possible mechanism for the strong weakening of the North Atlantic subpolar gyre in the mid-1990s. Geophys. Res. Lett., 36, L15602, doi:10.1029/2009GL039166.
40. Lohmann, K., H. Drange, and M. Bentsen, 2009b: Response of the North Atlantic subpolar gyre to persistent North Atlantic Oscillation like forcing. Climate Dyn., 32, 273-285.
41. Marotzke, J., 1990: Instabilities and multiple equilibria of the thermohaline circulation. Ph. D. thesis, Christian-Albrechts-Universität Kiel, 127 pp.
42. Marotzke, J., 2000: Abrupt climate change and thermohaline circulation: Mechanisms and predictability. Proc. Natl. Acad. Sci. USA, 97, 1347-1350.
43. Marshall, J., and F. Schott, 1999: Open-ocean convection: Observations, theory, and models. Rev. Geophys., 37, 1-64.
44. Matei, D., H. Pohlmann, J. Jungclaus, W. Müller, H. Haak, and J. Marotzke, 2012: Two tales of initializing decadal climate prediction experiments with the ECHAM5/MPI-OM model. J. Climate, 25, 8502-8523.
45. Mellor, G., C. Mechoso, and E. Keto, 1982: A diagnostic calculation of the general circulation of the Atlantic Ocean. Deep-Sea Res., 29, 1171-1192.
46. Mengel, M., A. Levermann, C. Schleussner, and A. Born, 2012: Enhanced Atlantic subpolar gyre variability through baroclinic threshold in a coarse resolution model. Earth Syst. Dyn., 3, 189-197, doi:10.5194/esd-3-189-2012.
47. Mertz, G., and D. G. Wright, 1992: Interpretations of the JEBAR term. J. Phys. Oceanogr., 22, 301-305.
48. Montero-Serrano, J.-C., N. Frank, C. Colin, C. Wienberg, and M. Eisele, 2011: The climate influence on the mid-depth northeast Atlantic gyres viewed by cold-water corals. Geophys. Res. Lett., 38, L19604, doi:10.1029/2011GL048733.
49. Montoya, M., A. Griesel, A. Levermann, J. Mignot, M. Hofmann, A. Ganopolski, and S. Rahmstorf, 2005: The earth system model of intermediate complexity CLIMBER-3a. Part I: Description and performance for present-day conditions. Climate Dyn., 25, 237-263.
50. Montoya, M., A. Born, and A. Levermann, 2011: Reversed North Atlantic gyre dynamics in present and glacial climates. Climate Dyn., 36, 1107-1118, doi:10.1007/s00382-009-0729-y.
51. Msadek, R., K. W. Dixon, T. L. Delworth, and W. Hurlin, 2010: Assessing the predictability of the Atlantic meridional overturning circulation and associated fingerprints. Geophys. Res. Lett., 37, L19608, doi:10.1029/2010GL044517.
52. Myers, P. G., S. A. Josey, B. Wheler, and N. Kulan, 2007: Interdecadal variability in Labrador Sea precipitation minus evaporation and salinity. Prog. Oceanogr., 73, 341-357.
53. Rahmstorf, S., 1996: On the freshwater forcing and transport of the Atlantic thermohaline circulation. Climate Dyn., 12, 799-811.
54. Rahmstorf, S., 2001: A simple model of seasonal open ocean convection. Part I: Theory. Ocean Dyn., 52, 26-35.
55. Rhein, M., and Coauthors, 2011: Deep water formation, the subpolar gyre, and the meridional overturning circulation in the subpolar North Atlantic. Deep-Sea Res. II, 58, 1819-1832, doi:10.1016/j.dsr2.2010.10.061.
56. Robson, J., R. Sutton, K. Lohmann, D. Smith, and M. D. Palmer, 2012: Causes of the rapid warming of the North Atlantic Ocean in the mid-1990s. J. Climate, 25, 4116-4134.
57. Spall, M. A., 2004: Boundary currents and watermass transformation in marginal seas. J. Phys. Oceanogr., 34, 1197-1213.
58. Spall, M. A., 2008: Low-frequency interaction between horizontal and overturning gyres in the ocean. Geophys. Res. Lett., 35, L18614, doi:10.1029/2008GL035206.
59. Spall, M. A., 2011: On the role of eddies and surface forcing in the heat transport and overturning circulation in marginal seas. J. Climate, 24, 4844-4858.
60. Spall, M. A., 2012: Influences of precipitation on water mass transformation and deep convection. J. Phys. Oceanogr., 42, 1684-1700.
61. Spall, M. A., and D. C. Chapman, 1998: On the efficiency of baroclinic eddy heat transport across narrow fronts. J. Phys. Oceanogr., 28, 2275-2287.
62. Stocker, T. F., and D. G. Wright, 1991: Rapid transitions of the ocean's deep circulation induced by changes in surface water fluxes. Nature, 351, 729-732.
63. Stommel, H., 1961: Thermohaline convection with two stable regimes of flow. Tellus, 13, 224-230.
64. Stone, P., 1972: A simplified radiative-dynamical model for the static stability of rotating atmospheres. J. Atmos. Sci., 29, 405-418.
65. Straneo, F., 2006a: Heat and freshwater transport through the central Labrador Sea. J. Phys. Oceanogr., 36, 606-628.
66. 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.
67. 2 stabilization experiment with land-ice melting. Climate Dyn., 29, 521-534, doi:10.1007/s00382-007-0250-0.
68. Thornalley, D. J. R., H. Elderfield, and I. N. McCave, 2009: Holocene oscillations in temperature and salinity of the surface North Atlantic. Nature, 457, 711-714.
69. Treguier, A. M., S. Theetten, E. P. Chassignet, T. Penduff, R. Smith, L. Talley, J. O. Beismann, and C. Böning, 2005: The North Atlantic subpolar gyre in four high-resolution models. J. Phys. Oceanogr., 35, 757-774.
70. Tulloch, R., and J. Marshall, 2012: Exploring mechanisms of variability and predictability of Atlantic meridional overturning circulation in two coupled climate models. J. Climate, 25, 4067-4080.
71. Våge, K., and Coauthors, 2009: Surprising return of deep convection to the subpolar North Atlantic Ocean in winter 2007-2008. Nat. Geosci., 2, 67-72.
72. van Aken, H. M., and C. J. de Boer, 1995: On the synoptic hydrography of intermediate and deep water masses in the Iceland Basin. Deep-Sea Res. I, 42, 165-189.
73. Vellinga, M., and R. A. Wood, 2002: Global climatic impacts of a collapse of the Atlantic thermohaline circulation. Climatic Change, 54, 251-267.
74. Visbeck, M., J. Marshall, and H. Jones, 1996: Dynamics of isolated convective regions in the ocean. J. Phys. Oceanogr., 26, 1721-1734.
75. Walsh, J. E., and D. H. Portis, 1999: Variations of precipitation and evaporation over the North Atlantic Ocean, 1958-1997. J. Geophys. Res., 104 (D14), 16 613-16 631.
76. Welander, P., 1982: A simple heat-salt oscillator. Dyn. Atmos. Oceans, 6, 233-242, doi:10.1016/0377-0265(82)90030-6.
77. Yang, D., and O. A. Saenko, 2012: Ocean heat transport and its projected change in CanESM2. J. Climate, 25, 8148-8163.
78. Yashayaev, I., 2007: Hydrographic changes in the Labrador Sea, 1960-2005. Prog. Oceanogr., 73, 242-276, doi:10.1016/j.pocean.2007.04.015.
79. Yashayaev, I., and J. W. Loder, 2009: Enhanced production of Labrador Sea water in 2008. Geophys. Res. Lett., 36, L01606, doi:10.1029/2008GL036162.
80. Yeager, S., A. Karspeck, G. Danabasoglu, J. Tribbia, and H. Teng, 2012: A decadal prediction case study: Late 20th century North Atlantic Ocean heat content. J. Climate, 25, 5173-5189.
81. Yoshimori, M., C. C. Raible, T. F. Stocker, and M. Renold, 2010: Simulated decadal oscillations of the Atlantic meridional overturning circulation in a cold climate state. Climate Dyn., 34, 101-121.