Overturning in the Subpolar north Atlantic program: A new international ocean observing system

Bulletin of the American Meteorological Society

Volumn 98, Issue 4, 2017, Pages 737-752

  Lozier, M Susan ^a   Bacon, Sheldon ^b   Bower, Amy S ^c   Cunningham, Stuart A ^d   De Jong, M Femke ^a,e   De Steur, Laura ^e   De Young, Brad ^f   Fischer, Jürgen ^g   Gary, Stefan F ^d   Greenan, Blair J W ^h   Heimbmbach, Patrick ⁱ   Holliday, Naomi P ^b   Houpert, Loïc ^d   Inall, Mark E ^d   Johns, William E ^j   Johnson, Helen L ^k   Karstensen, Johannes ^g   Li, Feili ^a   Lin, Xiaopei ^l   Mackay, Neill ^b   Marshall, David P ^k   Mercier, Herlé ^m   Myers, Paul G ⁿ   Pickart, Robert S ^c   Pillar, Helen R ^o   Straneo, Fiammetta ^c   Thierry, Virginie ^m   Weller, Robert A ^c   Williams, Richard G ^b   Wilson, Chris ^p   Yang, Jiayan ^c   Zhao, Jian ^c   Zika, Jan D ^q   more..

^a DUKE UNIVERSITY   (United States)

^b NATIONAL OCEANOGRAPHY CENTRE   (United Kingdom)

^c WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^d SCOTTISH MARINE INSTITUTE   (United Kingdom)

^e UTRECHT UNIVERSITY   (Netherlands)

^f MEMORIAL UNIVERSITY OF NEWFOUNDLAND   (Canada)

^g GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

^h BEDFORD INSTITUTE OF OCEANOGRAPHY   (Canada)

ⁱ UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^j UNIVERSITY OF MIAMI   (United States)

^k UNIVERSITY OF OXFORD   (United Kingdom)

^l QINGDAO NATIONAL LABORATORY FOR MARINE SCIENCE AND TECHNOLOGY   (China)

^m IFREMER   (France)

ⁿ UNIVERSITY OF ALBERTA   (Canada)

^o UNIVERSITY OF COPENHAGEN   (Denmark)

^p UNIVERSITY OF LIVERPOOL   (United Kingdom)

^q IMPERIAL COLLEGE LONDON   (United Kingdom)

more..

Author keywords

[No Author keywords available]

Indexed keywords

EARTH ATMOSPHERE; METEOROLOGY;

DEEP-WATER FORMATION; MERIDIONAL OVERTURNING CIRCULATIONS; NORTH ATLANTIC; OCEAN OBSERVING SYSTEMS; SUBPOLAR NORTH ATLANTIC;

OCEANOGRAPHY;

EID: 85018953584     PISSN: 00030007     EISSN: None     Source Type: Journal    
DOI: 10.1175/BAMS-D-16-0057.1     Document Type: Article

References (84)

1. AVISO, 2016: Ssalto/Duacs multimission altimeter products. [Available online at www.aviso.altimetry.fr/duacs/.]
2. Baehr, J., A. Stroup, and J. Marotzke, 2009: Testing concepts for continuous monitoring of the meridional overturning circulation in the South Atlantic. Ocean Modell., 29, 147-153, doi:10.1016/j.ocemod.2009.03.005.
3. Bingham, R. J., C. W. Hughes, V. Roussenov, and R. G. Williams, 2007: Meridional coherence of the North Atlantic meridional overturning circulation. Geophys. Res. Lett., 34, L23606, doi:10.1029/2007GL031731.
4. Bower, A. S., M. S. Lozier, S. F. Gary, and C. Böning, 2009: Interior pathways of the Atlantic meridional overturning circulation. Nature, 459, 243-247, doi:10.1038/nature07979.
5. Buckley, M., and J. Marshall, 2016: Observations, inferences, and mechanisms of the Atlantic Meridional Overturning Circulation: A review. Rev. Geophys., 54, doi:10.1002/2015RG000493.
6. Clarke, R. A., R. M. Hendry, and I. Yashayaev, 1998: A western boundary current meter array in the North Atlantic near 42°N. International WOCE Newsletter, No. 33, WOCE International Project Office, Southampton, United Kingdom, 33-34.
7. Condron, A., and P. Winsor, 2011: A subtropical fate awaited freshwater discharged from glacial Lake Agassiz. Geophys. Res. Lett., 38, L03705, doi:10.1029/2010GL046011.
8. Cunningham, S., and R. Marsh, 2010: Observing and modeling changes in the Atlantic MOC. Wiley Interdiscip. Rev.: Climate Change, 1, 180-191, doi:10.1002/wcc.22.
9. -, and Coauthors, 2007: Temporal variability of the Atlantic meridional overturning circulation at 25°N. Science, 317, 935-938, doi:10.1126/science.1141304.
10. -, and Coauthors, 2010: The present and future system for measuring the Atlantic Meridional Overturning Circulation and heat transport. Proceedings of OceanObs'09: Sustained Ocean Observations and Information for Society, J. Hall, D. E. Harrison, and D. Stammer, Eds., ESA Publ. WPP-306, doi:10.5270/OceanObs09.cwp.21.
11. Czeschel, L., D. P. Marshall, and H. L. Johnson, 2010: Oscillatory sensitivity of Atlantic overturning to high-latitude forcing. Geophys. Res. Lett., 37, L10601, doi:10.1029/2010GL043177.
12. Danabasoglu, G., and Coauthors, 2016: North Atlantic simulations in Coordinated Ocean-ice Reference Experiments phase II (CORE-II). Part II: Inter-annual to decadal variability. Ocean Modell., 97, 65-90, doi:10.1016/j.ocemod.2015.11.007.
13. de Jong, M. F., and L. de Steur, 2016: Strong winter cooling over the Irminger Sea in winter 2014-2015, exceptional deep convection, and the emergence of anomalously low SST. Geophys. Res. Lett., 43, 7106-7113, doi:10.1002/2016GL069596.
14. Delworth, T. L., R. Zhang, and M. E. Mann, 2007: Decadal to centennial variability of the Atlantic from observations and models. Ocean Circulation: Mechanisms and Impacts-Past and Future Changes of Meridional Overturning, Geophys. Monogr., Vol. 173, Amer. Geophys. Union, 131-148, doi:10.1029/173GM10.
15. 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.
16. Deshayes, J., F. Straneo, and M. A. Spall, 2009: Mechanisms of variability in a convection basin. J. Mar. Res., 67, 273-303, doi:10.1357/002224009789954757.
17. de Steur, L., 2015: Cruise report: Cruise 64PE400; OSNAP East leg 2, July 8-29 2015, Reykjavik-Reykjavik, Iceland, R/V Pelagia. Royal Netherlands Institute for Sea Research, 48 pp. [Available online at www.vliz.be/nl/imis?module=ref&refid=260561&printversion=1&dropIMIStitle=1.]
18. Eden, C., and T. Jung, 2001: North Atlantic interdecadal variability: Oceanic response to the North Atlantic oscillation (1865-1997). J. Climate, 14, 676-691, doi:10.1175/1520-0442(2001)0140676:NAIVOR2.0.CO;2.
19. Fischer, J., F. Schott, and M. Dengler, 2004: Boundary circulation at the exit of the Labrador Sea. J. Phys. Oceanogr., 34, 1548-1570, doi:10.1175/1520-0485(2004)0341548:BCATEO2.0.CO;2.
20. Grist, J. P., S. A. Josey, Z. L. Jacobs, R. Marsh, B. Sinha, and E. Van Sebille, 2016: Extreme air-sea interaction over the North Atlantic subpolar gyre during the winter of 2013-2014 and its sub-surface legacy. Climate Dyn., 46, 4027, doi:10.1007/s00382-015-2819-3.
21. Groeskamp, S., J. D. Zika, B. M. Sloyan, T. J. McDougall, and P. C. McIntosh, 2014: A thermohaline inverse method for estimating diathermohaline circulation and mixing. J. Phys. Oceanogr., 44, 2681-2697, doi:10.1175/JPO-D-14-0039.1.
22. Halloran, P. R., B. B. B. Booth, C. D. Jones, F. H. Lambert, D. J. McNeall, I. J. Totterdell, and C. Völker, 2015: The mechanisms of North Atlantic CO2 uptake in a large Earth System Model ensemble. Biogeosciences, 12, 4497-4508, doi:10.5194/bgd-11-14551-2014.
23. Hansen, B., and S. Osterhus, 2007: Faroe Bank Channel overflow 1995-2005. Prog. Oceanogr., 75, 817-856, doi:10.1016/j.pocean.2007.09.004.
24. Heimbach, P., C. Wunsch, R. Ponte, G. Forget, C. Hill, and J. Utke, 2011: Timescales and regions of the sensitivity of Atlantic meridional volume and heat transport: Toward observing system design. Deep-Sea Res. II, 58, 1858-1879, doi:10.1016/j.dsr2.2010.10.065.
25. Hirschi, J., and J. Marotzke, 2007: Reconstructing the meridional overturning circulation from boundary densities and the zonal wind stress. J. Phys. Oceanogr., 37, 743-763, doi:10.1175/JPO3019.1.
26. Holland, D. M., R. H. Thomas, B. deYoung, M. H. Ribergaard, and B. Lyberth, 2008: Acceleration of Jakobshavn Isbræ triggered by warm subsurface ocean waters. Nat. Geosci., 1, 659-664, doi:10.1038/ngeo316.
27. Holliday, N. P., S. Bacon, J. Allen, and E. L. McDonagh, 2009: Circulation and transport in the western boundary current at Cape Farewell, Greenland. J. Phys. Oceanogr., 39, 1854-1870, doi:10.1175/2009JPO4160.1.
28. -, S. A. Cunningham, C. Johnson, S. Gary, C. Griffiths, J. F. Read, and T. Sherwin, 2015: Multidecadal variability of potential temperature, salinity and transport in the eastern subpolar North Atlantic. J. Geophys. Res. Oceans, 120, 5945-5967, doi:10.1002/2015JC010762.
29. IPCC, 2013: Climate Change 2013: The Physical Science Basis. Cambridge University Press, 1535 pp., doi:10.1017/CBO9781107415324.
30. Jackson, L, R. Kahana, T. Graham, M. Ringer, T. Woollings, J. Mecking, and R. Wood, 2015: Global and European climate impacts of a slowdown of the AMOC in a high resolution GCM. Climate Dyn., 45, 3299-3316, doi:10.1007/s00382-015-2540-2.
31. Jochumsen, K., D. Quadfasel, H. Valdimarsson, and S. Jónsson, 2012: Variability of the Denmark Strait overflow: Moored time series from 1996-2011. J. Geophys. Res., 117, C12003, doi:10.1029/2012JC008244.
32. Kanzow, T., and Coauthors, 2007: Flow compensation associated with the MOC at 26.5°N in the Atlantic. Science, 317, 938-941, doi:10.1126/science.1141293.
33. Karspeck, A. R., and Coauthors, 2015: Comparison of the Atlantic meridional overturning circulation between 1960 and 2007 in six ocean reanalysis products. Climate Dyn., doi:10.1007/s00382-015-2787-7, in press.
34. Khatiwala, S., and Coauthors, 2013: Global ocean storage of anthropogenic carbon. Biogeosciences, 10, 2169-2191, doi:10.5194/bg-10-2169-2013.
35. Kieke, D., and I. Yashayaev, 2015: Studies of Labrador Sea water formation and variability in the subpolar North Atlantic in the light of international partnership and collaboration. Prog. Oceanogr., 132, 220-232, doi:10.1016/j.pocean.2014.12.010.
36. King, B. A., and N. P. Holliday, 2015: RRS James Clark Ross cruise 302, 06 Jun-21 Jul 2014: The 2015 RAGNARRoC, OSNAP and extended Ellett Line cruise report. National Oceanography Centre Cruise Rep. 35, 76 pp.
37. Knight, J. R., R. J. Allan, C. K. Folland, M. Vellinga, and M. E. Mann, 2005: A signature of persistent natural thermohaline circulation cycles in observed climate. Geophys. Res. Lett., 32, L20708, doi:10.1029/2005GL024233.
38. -, C. K. Folland, and A. A. Scaife, 2006: Climatic impacts of the Atlantic multidecadal oscillation. Geophys. Res. Lett., 33, L17706, doi:10.1029/2006GL026242.
39. Kortzinger, A., U. Send, D. W. R. Wallace, J. Karstensen, and M. DeGrandpre, 2008: The seasonal cycle of O2 and pCO2 in the central Labrador Sea: Atmospheric, biological and physical implications. Global Biogeochem. Cycles, 22, doi:10.1029/2007GB003029.
40. Kuhlbrodt, T., A. Griesel, M. Montoya, A. Levermann, M. Hofmann, and S. Rahmstorf, 2007: On the driving processes of Atlantic meridional overturning circulation. Rev. Geophys., 45, 32, doi:10.1029/2004RG000166.
41. 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, 1819-1835, doi:10.1016/S0967-0637(02)00064-X.
42. Li, H., T. Ilyina, A. Wolfgang, A. Müller, and F. Sienz, 2016: Decadal predictions of the North Atlantic CO2 uptake. Nat. Commun., 7, 11076, doi:10.1038/ncomms11076.
43. Lindsay, R., M. Wensnahan, and A. Schweiger, 2014: Evaluation of seven different atmospheric reanalysis products in the Arctic. J. Climate, 27, 2588-2606, doi:10.1175/JCLI-D-13-00014.1.
44. Lozier, M. S., 2012: Overturning in the North Atlantic. Annu. Rev. Mar. Sci., 4, 291-315, doi:10.1146/annurev-marine-120710-100740.
45. -, S. F. Gary, and A. S. Bower, 2013: Simulated pathways of the overflow waters in the North Atlantic: Subpolar to subtropical export. Deep-Sea Res. II, 85, 147-153, doi:10.1016/j.dsr2.2012.07.037.
46. Madec, G., 2008: NEMO ocean engine, version 3.0. IPSL Note du Pôle de modélisation 27, 209 pp.
47. McCarthy, G. D., and Coauthors, 2015: Measuring the Atlantic Meridional Overturning Circulation at 26°N. Prog. Oceanogr., 130, 91-111, doi:10.1016/j.pocean.2014.10.006.
48. Meinen, C. S., D. R. Watts, and R. A. Clarke, 2000: Absolutely referenced geostrophic velocity and transport on a section across the North Atlantic Current. Deep-Sea Res. I, 47, 309-322, doi:10.1016/S0967-0637(99)00061-8.
49. Mercier, H., and Coauthors, 2015: Variability of the meridional overturning circulation at the Greenland-Portugal OVIDE section from 1993 to 2010. Prog. Oceanogr., 132, 250-261, doi:10.1016/jpocean.2013.11.001.
50. Palter, J. B., and M. S. Lozier, 2008: On the source of Gulf Stream nutrients. J. Geophys. Res., 113, C06018, doi:10.1029/2007JC004611.
51. Pérez, F. F., H. Mercier, M. Vázquez-Rodriguez, P. Lherminier, A. Velo, P. Pardo, G. Roson, and A. Rios, 2013: Atlantic Ocean CO2 uptake reduced by weakening of the meridional overturning circulation. Nat. Geosci., 6, 146-152, doi:10.1038/ngeo1680.
52. Pickart, R. S., T. K. McKee, D. J. Torres, and S. A. Harrington, 1999: Mean structure and interannual variability of the slopewater system south of Newfoundland. J. Phys. Oceanogr., 29, 2541-3132, doi:10.1175/1520-0485(1999)0292541:MSAIVO2.0.CO;2.
53. -, F. Straneo, and G. W. K. Moore, 2003: Is Labrador Sea Water formed in the Irminger Basin? Deep-Sea Res. I, 50, 23-52, doi:10.1016/S0967-0637(02)00134-6.
54. Pillar, H., P. Heimbach, H. Johnson, and D. Marshall, 2016: Dynamical attribution of recent variability in Atlantic overturning. J. Climate, 29, 3339-3352, doi:10.1175/JCLI-D-15-0727.1.
55. Rhines, P., S. Häkkinen, and S. A. Josey, 2008: Is oceanic heat transport significant in the climate system? Arctic-Subarctic Ocean Fluxes: Defining the Role of the Northern Seas in Climate, R. R. Dickson, J. Meincke, and P. Rhines, Eds., Springer, 87-109, doi:10.1007/978-1-4020-6774-7-5.
56. Rignot, E., and P. Kanagaratnam, 2006: Changes in the velocity structure of the Greenland Ice Sheet. Science, 311, 986-990, doi:10.1126/science.1121381.
57. Robson, J. I., R. Sutton, K. Lohmann, and D. Smith, 2012: Causes of the rapid warming of the North Atlantic Ocean in the mid-1990s. J. Climate, 25, 4116-4134, doi:10.1175/JCLI-D-11-00443.1.
58. Rosón, G., A. F. Ríos, F. F. Pérez, A. Lavín, and H. L. Bryden, 2003: Carbon distribution, fluxes, and budgets in the subtropical North Atlantic Ocean (24.5°N). J. Geophys. Res., 108, 3144, doi:10.1029/1999JC000047.
59. Sabine, C. L., and Coauthors, 2004: The oceanic sink for anthropogenic CO2. Science, 305, 367-371, doi:10.1126/science.1097403.
60. 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, doi:10.1029/2006GL026563.
61. Send, U., and J. Marshall, 1995: Integral effects of deep convection. J. Phys. Oceanogr., 25, 855-872, doi:10.1175/1520-0485(1995)0250855:IEODC2.0.CO;2.
62. Serreze, M. C., M. M. Holland, and J. Stroeve, 2007: Perspectives on the Arctic's shrinking sea-ice cover. Science, 315, 1533-1536, doi:10.1126/science.1139426.
63. Smith, D. M., R. Eade, N. J. Dunstone, D. Fereday, J. M. Murphy, H. Pohlmann, and A. A. Scaife, 2010: Skilful multi-year predictions of Atlantic hurricane frequency. Nat. Geosci., 3, 846-849, doi:10.1038/ngeo1004.
64. Spall, M. A., 2004: Boundary currents and water mass transformation in marginal seas. J. Phys. Oceanogr., 34, 1197-1213, doi:10.1175/1520-0485(2004)0341197:BCAWTI2.0.CO;2.
65. -, and R. S. Pickart, 2001: Where does dense water sink? A subpolar gyre example. J. Phys. Oceanogr., 31, 810-826, doi:10.1175/1520-0485(2001)0310810:WDDWSA2.0.CO;2.
66. Steinfeldt, R., M. Rhein, J. L. Bullister, and T. Tanhua, 2009: Inventory changes in anthropogenic carbon from 1997-2003 in the Atlantic Ocean between 20°S and 65°N. Global Biogeochem. Cycles, 23, GB3010, doi:10.1029/2008GB003311.
67. Stouffer, R. J., and Coauthors, 2006: Investigating the causes of the response of the thermohaline circulation to past and future climate changes. J. Climate, 19, 1365-1387, doi:10.1175/JCLI3689.1.
68. Stramma, L., D. Kieke, M. Rhein, F. Schott, I. Yashayaev, and K. P. Koltermann, 2004: Deep water changes at the western boundary of the subpolar North Atlantic during 1996 to 2001. Deep-Sea Res. I, 51, 1033-1056, doi:10.1016/j.dsr.2004.04.001.
69. Straneo, F., 2006: Heat and freshwater transport through the central Labrador Sea. J. Phys. Oceanogr., 36, 606-628, doi:10.1175/JPO2875.1.
70. -, and P. Heimbach, 2013: North Atlantic warming and the retreat of Greenland's outlet glaciers. Nature, 504, 36-43, doi:10.1038/nature12854.
71. -, G. S. Hamilton, D. A. Sutherland, L. A. Stearns, F. Davidson, M. O. Hammill, G. B. Stenson, and A. Rosing-Asvid, 2010: Rapid circulation of warm subtropical waters in a major glacial fjord off East Greenland. Nat. Geosci., 3, 182-186, doi:10.1038/ngeo764.
72. Sutton, R. T., and D. L. R. Hodson, 2005: Atlantic Ocean forcing of North American and European summer climate. Science, 309, 115-118, doi:10.1126/science.1109496.
73. Takahashi, T., and Coauthors, 2009: Climatological mean and decadal change in surface ocean pCO2, and net sea-air CO2 flux over the global oceans. Deep-Sea Res. II, 56, 554-577, doi:10.1016/j.dsr2.2008.12.009.
74. U.S. CLIVAR AMOC Planning Team, 2007: Implementation strategy for a JSOST near-term priority assessing meridional overturning circulation variability: Implications for rapid climate change. U.S. CLIVAR Rep. 2007-2, 23 pp.
75. Visbeck, M., 2007: Oceanography: Power of pull. Nature, 447, 383, doi:10.1038/447383a.
76. Walin, G., 1982: On the relation between sea-surface heat flow and thermal circulation in the ocean. Tellus, 34A, 187-195, doi:10.1111/j.2153-3490.1982.tb01806.x.
77. Xu, X., W. J. Schmitz, H. E. Hurlburt, P. J. Hogan, and E. P. Chassignet, 2010: Transport of Nordic Seas overflow water into and within the Irminger Sea: An eddy-resolving simulation and observations. J. Geophys. Res., 115, C12048, doi:10.1029/2010JC006351.
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. -, and J. W. Loder, 2009. Enhanced production of Labrador Sea Water in 2008. Geophys. Res. Lett., 36, L01606, doi:10.1029/2008GL036162.
80. -, and -, 2016: Recurrent replenishment of Labrador Sea Water and associated decadal-scale variability. J. Geophys. Res. Oceans, 121, 8095-8114, doi:10.1002/2016JC012046.
81. Yeager, S. G., A. Karspeck, G. Danabasoglu, J. Tribbia, and H. Teng, 2012: A decadal prediction case study: Late twentieth-century North Atlantic Ocean heat content. J. Climate, 25, 5173-5189, doi:10.1175/JCLI-D-11-00595.1.
82. Zhang, R., and T. L. Delworth, 2006: Impact of Atlantic multidecadal oscillations on India/Sahel rainfall and Atlantic hurricanes. Geophys. Res. Lett., 33, L17712, doi:10.1029/2006GL026267.
83. Zou, S., and M. S. Lozier, 2016: Breaking the linkage between Labrador Sea Water production and its export to the subtropical gyre. J. Phys. Oceanogr., 46, 2169-2182, doi:10.1175/JPO-D-15-0210.1.
84. Zweng, M. M, and Coauthors, 2013: Salinity. Vol. 2, World Ocean Atlas 2013, NOAA Atlas NESDIS 74, 39 pp.