Time and space variability of freshwater content, heat content and seasonal ice melt in the Arctic Ocean from 1991 to 2011

Ocean Science

Volumn 9, Issue 6, 2013, Pages 1015-1055

  Korhonen, M ^a,b   Rudels, B ^a,b   Marnela, M ^a,b   Wisotzki, A ^c   Zhao, J ^d  

^a FINNISH METEOROLOGICAL INSTITUTE   (Finland)

^b UNIVERSITY OF HELSINKI   (Finland)

^c ALFRED WEGENER INSTITUTE FOR POLAR AND MARINE RESEARCH   (Germany)

^d OCEAN UNIVERSITY OF CHINA   (China)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATOLOGY; FRESHWATER ENVIRONMENT; HALOCLINE; HEAT BALANCE; HYDROGRAPHY; MELTING; SALINITY; SEA ICE; TEMPERATURE EFFECT; WATER MASS;

ARCTIC OCEAN;

EID: 84890262568     PISSN: 18120784     EISSN: 18120792     Source Type: Journal    
DOI: 10.5194/os-9-1015-2013     Document Type: Article

References (92)

1. Aagaard, K. and Coachman, L. K.: Toward an ice-free Arctic ocean, Eos Trans. AGU, 56, 484-486, 1975.
2. Aagaard, K. and Carmack, E. C.: The role of sea ice and other fresh water in the Arctic circulation, J. Geophys. Res., 94, 14 485-14 498, 1989.
3. Aagaard, K., Coachman, L. K., and Carmack, E. C.: On the halocline of the Arctic Ocean, Deep-Sea Res., 28, 529-545, 1981.
4. Anderson, L. G., Björk, G., Holby, O., Jones, E. P., Kattner, G., Koltermann, K.-P., Liljeblad, B., Lindegren, R., Rudels, B. and Swift, J. H.: Water masses and circulation in the Eurasian Basin: Results from the Oden 91 expedition, J. Geophys. Res., 99, 3273-3283, 1994. (Pubitemid 24430615)
5. Bauch, D., Van Der Loeff, M. R., Andersen, N., Torres-Valdes, S., Bakker, K., and Abrahamsen, E. P.: Origin of freshwater and polynya water in the Arctic Ocean halocline in summer 2007, Prog. Oceanogr., 91, 482- 495, 2011.
6. Björk, G., Söderkvist, J., Winsor, P., Nikolopoulos, A., and Steele, M.: Return of the cold halocline layer to the Amundsen Basin of the Arctic Ocean: Implications for the sea ice mass balance, Geophys. Res. Lett., 29, 1513-1516, 2002.
7. Björk, G., Jakobsson, M., Rudels, B., Swift, J. H., Anderson, L., Darby, D. A., Backman, J., Coakley, B., Winsor, P., Polyak, L. and Edwards, M.: Bathymetry and deep-water exchange across the Central Lomonosov Ridge at 88-89-N, Deep-Sea Res., 54, 1197-1208, 2007. (Pubitemid 47095325)
8. Bourgain, P., Gascard, J. C., Shi, J., and Zhao, J.: Large-scale temperature and salinity changes in the upper Canadian Basin of the Arctic Ocean at a time of a drastic Arctic Oscillation inversion, Ocean Sci., 9, 447- 460, doi:10.5194/os-9-447-2013, 2013.
9. Boyd, T. J., Steele, M., Muench, R. D., and Gunn, J. T.: Par tial recovery of the Arctic Ocean halocline, Geophys. Res. Lett., 29, 1657-1660, 2002.
10. Carmack, E. C., Macdonald, R. W., Perkin, R. G., McLaughlin, F. A., and Pearson, R. J.: Evidence for warming o f Atlantic Water in the Southern Canadian Basin of the Arctic Ocean: Results from the Larsen-93 expedition, Geophys. Res. Lett., 22, 1061-1064, 1995.
11. Cavalieri, D. J. and Parkinson, C. L.: Arctic sea ice variab ility and trends, 1979-2010, The Cryosphere, 6, 881-889, 2012, http://www.the-cryosphere- discuss.net/6/881/2012/.
12. Coachman, L. K. and Barnes, C. A.: The contribution of Bering Sea water to the Arctic Ocean, Arctic, 14, 147-161, 1961.
13. Coachman, L. K. and Barnes, C. A.: The contribution of Bering Sea water to the Arctic Ocean, Arctic, 14, 147-161, 1961.
14. Comiso, J. C.: Large Decadal Decline of the Arctic Multiyear Ice Cover, J. Clim, 25, 1176- 1193, 2011.
15. Curry, R., Dickson, B., and Yashayaev, I.: A change in the freshwater balance of the Atlantic Ocean over the past four decades, Nature, 426, 826-829, 2003. (Pubitemid 38056864)
16. Curry, R. and Mauritzen, C.: Dilution of the Northern North Atlantic Oce an in Recent Decades, Science, 308, 1772-1774, 2005. (Pubitemid 40848002)
17. Dee, D. P., Uppala, S. M., Simmons, A. J., Berrisford, P., Poli, P., Kobayashi, S., Andrae, U., Balmaseda, M. A., Balsamo, G., Bau er, P., Bechtold, P., Beljaars, A. C. M., Van De Berg, L., Bidlot, J., Bormann, N., Delsol, C., Dragani, R., Fuentes, M., Geer, A. J., Haimberger, L., Healy, S. B., Hersbach, H., Hólm, E. V., Isaksen, L., Kållberg, P. K öhler, M., Matricardi, M., McNally, A. P., Monge-Sanz, B. M., Morcrette, J.-J., Park, B.-K., Peubey, C., De Rosnay, P., Tavolato, C., Thépaut, J.-N., Vitart, F..: The ERA-Interim reanalysis: Configuration and performance of the data assimilati on system, Q. J. R. Meteorol. Soc., 137, 553-597, 2011.
18. Dickson, B., Yashayaev, I., Meincke, J., Turrell, B., Dye, S., and Holfort, J.: Rapid freshening of the deep North Atlantic Ocean over the past four decades, Nature, 416, 832-837, 2002. (Pubitemid 34453736)
19. Dickson, R. R., Rudels, B., Dye, S., Karcher, M., Meincke, J., and Yashayaev, I.: Current estimates of freshwater flux through arctic and subarctic seas, Prog. Oceanogr., 73, 210-230, 2007. (Pubitemid 46898564)
20. Giles, K. A., Laxon, S. W., Ridout, A. L., Wingham, D. J., and Bacon, S.: Western Arctic Ocean freshwater storage increased by wind-driven spin-up of the Beaufort Gyre, Nature Geosci., 5, 194-197, 2012.
21. Grotefendt, K., Logemann, K., Quadfasel, D., and Ronski, S.: Is the Arctic Ocean warming, J. Geophys. Res., 103, 27679, doi:10.1029/98JC02097, 1998.
22. Guay, C. K. and Falkner, K.: Barium as a tracer of Arctic halocline and river waters, Deep-Sea Res., 44, 1543-1569, 1997. (Pubitemid 28159076)
23. Jackson, J. M., Carmack, E. C., McLaughlin, F. A., Allen, S. E., and Ingram, R. G.: Identification, characterization, and change of the near-surface temperature maximum in the Canada Basin, 1993-2008, J. Geophys. Res. , 115, C05021, doi:10.1029/2009JC005265, 2010.
24. Jakobson, E., Vihma, T., Palo, T., Jakobson, L., Keernik, H., and Jaagus, J.: Validation of atmospheric reanalyses over the central Arctic Ocean, Geophys. Res. Lett., 39, L10802, doi:10.1029/2012GL051591, 2012.
25. Johnson, M. and Polyakov, I. V.: The Laptev Sea as a source for recent Arctic Ocean salinity changes, Geophys. Res. Lett., 28, 2017-2020, 2001. (Pubitemid 34039406)
26. Jones, E. P., Anderson, L. G., Jutterström, S., Mintrop, L., and Swift, J. H.: Pacific freshwater, river water and sea ice meltwater across Arctic Ocean basins: Results from the 2005 Beringia expedition, J. Geophys. Res., 113, C128012, doi:10.1029/2007JC004124, 2008.
27. Kadko, D. and Swart, P.: The source of the high heat and freshwater content of the upper ocean at the SHEBA site in the Beaufort Sea in 1997, J. Geophys. Res., 109, C01022, doi:10.1029/2002JC001734, 2004.
28. Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G.,Woollen, J. Zhu, Y., Cheillab, M., Ebsuzaki,W., Higgins,W., Janowiak, J., Mo, K. C., Ropelewski, C., Wang, J., Leetma, A., Reynolds, R., Jenne, R., and Joseph, D.: The NCEP/NCAR 40-yr reanalysis project, Bull. Amer. Meteor. Soc., 77, 437-470, 1996.
29. Karcher, M. J., Gerdes, R., Kauker, F., and Köberle, C.: Arctic warming-evolution and spreading of the 1990s warm event in the Nordic Seas and the Arctic Ocean, J. Geophys. Res., 108, C23034, doi:10.1029/2001JC001265, 2003.
30. Karcher, M. J., Gerdes, R., Kauker, F., Köberle, C., and Yashayaev, I.: Arctic Ocean change heralds North Atlantic freshening, Geophys. Res. Lett., 32, L21606, doi:10.1029/2005GL023861, 2005. (Pubitemid 43000751)
31. Kikuchi, T., Hatakeyama, K., and Morison, J. H.: Distribution of convective lower halocline water in the Eastern Arctic Ocean, J. Geophys. Res., 109, C12030, doi:10.1029/2003JC002223, 2004. (Pubitemid 40335136)
32. Krishfield, R. A., Toole, J. M., Proshutinsky, A., and Timmermans, M. L.: Automated Ice-Tethered Profilers for seawater observations under pack ice in all seasons, J. Atmos. Ocean. Technol., 25, 2091-2105, 2008.
33. Kwok, R. and Cunningham, G. F.: Contribution of melt in the Beaufort Sea to the decline in Arctic multiyear sea ice coverage: 1993- 2009, Geophys. Res. Lett., 37, L20501, doi:10.1029/2010GL044678, 2010.
34. Kwok, R. and Morison, J.: Dynamic topography of the ice-covered Arctic Ocean from ICESat, Geophys. Res. Lett., 38, L02501, doi:10.1029/2010GL046063, 2011.
35. Lenn, Y. D., Wiles, P. J., Torres-Valdes, S., Abrahamsen, E. P., Rippeth , T. P., Simpson, J. H., Bacon, S., Laxon, S. W., Polyakov, I., Ivanov, V., and Kirillov, S.: Vertical mixing at intermediate depths in the Arctic boundary current, Geophys. Res. Lett., 36, L05601, doi:10.1029/2008GL036792, 2009.
36. Macdonald, R. W., Paton, D. W., and Carmack, E. C.: The freshwater budget and under-ice spreading of Mackenzie River water in the Canadian Beaufort Sea based on salinity and 18O/16O measurements in water and ice, J. Geophys. Res., 100, 895-919, 1995.
37. Macdonald, R. W., Carmack, E. C., McLaughlin, F. A., Falkner, K. K., and Swift, J. H.: Connections among ice, runoff and atmospheric forcing in the Beaufort Gyre, Geophys. Res. Lett., 26, 2223-2226, doi:10.1029/1999GL900508, 1999. (Pubitemid 30008333)
38. Martinson, D. G. and Steele, M.: Future of the Arctic sea ice cover: Implications of an Antarctic analog, Geophys. Res. Lett., 28, 307-310, 2001.
39. Maslanik, J., Serreze, M., and Barry, R.: Recent changes in Arctic summer ice cover and linkages to atmospheric circulation anomalies, Geophys. Res. Lett., 23, 1677-1680, 1996.
40. Maykut, G. A. and McPhee, M. G.: Solar heating of the Arctic mixed layer, J. Geophys. Res., 100, 24691-24704, 1995.
41. McLaughlin, F. A., Carmack, E. C., Macdonald, R.W., Melling, H., Swift, J. H., Wheeler, P. A., Sherr, B. F., and Sherr, E. B.: The joint roles of Pacific and Atlantic-origin waters in the Canada Basin, 1997-1998, Deep-Sea Res., 51, 107 -128, 2004.
42. McLaughlin, F. A., Carmack, E. C., Williams, W. J., Zimmermann, S., Shimada, K., and Itoh, M.: Joint effects of boundary currents and thermohaline intrusions on the warming of Atlantic Water in the Canada Basin, 1993-2 007, J. Geophys. Res., 114, C00A12, doi:10.1029/2008JC005001, 2009.
43. McPhee, M. G., Stanton, T. P., Morison, J. H., and Martinson, D. G.: Freshening of the upper ocean in the Arctic: Is perennial sea ice disappearing, Geophys. Res. Lett., 25, 1729-1732, 1998. (Pubitemid 28429828)
44. Morison, J. H., Steele, M., and Andersen, R.: Hydrography of the upper Arctic Ocean measured from the nuclear submarine U.S.S. Pargo, Deep-Sea Res. I, 45, 15-38, 1998. (Pubitemid 28324413)
45. Morison, J. H., Kwok, R., Peralta-Ferriz, C., Alkire, M., Rigor, I., Andersen, R., and Steele, M.: Changing Arctic Ocean freshwater pathways, Nature, 481, 66-70, 2012.
46. Perovich, D. K., Grenfell, T. C., Richter-Menge, J. A. Light, B., Tucker, W. B., and Eicken, H.: Thin and thinner: Sea ice mass balance measurements during SHEBA, J. Geophys. Res., 108, 8050-8070, doi:10.1029/2001JC001079, 2003.
47. Perovich, D. K., Light, B., Eicken, H., Jones, K. F., Runciman, K., and Nghiem S. V.: Increasing solar heating of the Arctic Ocean and adjacent seas, 1979- 2005: Attribution and role in the ice-albedo feedback, Geophys. Res. Lett., 34, L19505, doi:10.1029/2007GL031480, 2007a. (Pubitemid 350263020)
48. Perovich, D. K., Nghiem, S. V., Mar kus, T., and Schweiger, A.: Seasonal evolution and interannual variability of the local solar energy absorbed by the Arctic sea ice-ocean system, J. Geophys. Res., 112, C03005, doi:10.1029/ 2006JC003558, 2007b. (Pubitemid 46845213)
49. Perovich, D. K., Richter-Menge, J. A., Jones K. F., and Light, B.: Sunlight, water, and ice: Extreme Arctic sea ice melt during the summer of 2007, Geophys. Res. Lett., 35, L11501, doi:10.1029/2008GL034007, 2008.
50. Polyakov, I. V., Beszczynska, A., Carmack, E. C., Dmi trenko, I. A., Fahrbach, E., Frolov, I. E., Gerdes, R., Hansen, E., Holfort, J., Ivanov, V. V., Johnson, M. A., Karcher, M., Kauker, M., Morison, J. H., Orvik, K. A., Schauer, U., Simmons, H. L., Skagseth, ∅., Sokolov V. T., Steele, M., Timokhov, L. A.,Wals, D., and Walsh, J. E.: One more step toward a warmer Arctic, Geophys. Res. Lett., 32, 17605, doi:10.1029/2005GL023740, 2005. (Pubitemid 41536220)
51. Polyakov, I. V., Alexeev, V. A., Belchansky, G . I., Dmitrenko, I. A., Ivanov, V. V., Kirillov, S. A., Korablev, A. A., Steele, M., Timokhov, L. A., and Yashayaev, I.: Arctic Ocean Freshwater Changes over the Past 100 Years and Their Causes, J. Clim, 21, 364-384, 2008. (Pubitemid 351395651)
52. Polyakov, I. V., Timokhov, L. A., Alexeev, V. A., Bacon, S., Dmitrenko, I. A., Fortier, L., Frolov, I. E., Gascard, J.-C., Hansen, E., Ivanov, V. V., Laxon, S., Mauritzen, C., Perovich, D., Shimada, K. , Simmons, H. L., Sokolov, V. T., Steele, M., and Toole, J.: Arctic Ocean warming contributes to reduced polar ice cap, J. Phys. Oceanogr., 40, 2743-2756, 2010.
53. Polyakov, I. V., Alexeev, V. A., Ashik, I. M., Ba con, S., Beszczynska-Möller, A., Carmack, E. C., Dmitrenko, I. A., Fortier, L., Gascard, J.-C., Hansen, E., Hölemann, J., Ivanov, V. V., Kikuchi, T., Kirillov, S., Lenn, Y.-D., McLaughlin, F. A., Piechura, J ., Repina, I., Timokhov, L. A., Walczowski, W., and Woodgate, R.: Fate of Early 2000s Arctic Warm Water Pulse, Bull. Am. Meteorol. Soc., 92, 561-566, 2011.
54. Polyakov, I. V., Pnyushkov, A. V., and Timokhov, L. A.: War ming of the Intermediate Atlantic Water of the Arctic Ocean in the 2000s, J. Clim, 25, 8362-8370, 2012.
55. Proshutinsky, A. Y. and Johnson, M. A.: Two circulation regimes of the wind-driven Arctic Ocean, J. Geophys. Res., 102, 12493-12514, 1997. (Pubitemid 27502428)
56. Proshutinsky, A., Krishfield, R., Timmermans, M.-L., Toole, J. M., Carmack, E. C., McLaughlin, F. A., Williams, W. J., Zimmermann, S., Itoh, M. and Shimada, K.: Beaufort Gyre freshwater reservoir: State and variability from observations, J. Geophys. Res., 114, C00A10, doi:10.1029/2008JC005104, 2009.
57. Quadfasel, D., Sy, A., Wells, D., and Tunik, A.: Warmin g in the Arctic, Nature, 350, p. 385, doi:10.1038/350385a0, 1991.
58. Rabe, B., Karcher, M., Schauer, U., Toole, J. M., Krishfield, R. A., Pisarev, S., Kauker, F., Gerdes, R., and Kikuchi, T.: An assessment of Arctic Ocean freshwater content changes from the 1990s to the 2006- 2008 period, Deep-Sea Res. I, 58, 173-185, 2011.
59. Rigor, I. G., Colony, R. L., and Seelye, M.: Variations in surface air temperature observations in the Artic, 1979-97, J. Clim, 13, 896- 914, 2000.
60. Rigor, I. G., Wallace, J. M., and Colony, R. L.: Response of sea i ce to the Arctic oscillation, J. Clim., 15, 2648-2663, 2002.
61. Roach, A. T., Aagaard, K., Pease, C. H., Salo, S. A.,Weingartner, T., Pavlov, V., and Kulakov, M.: Direct measurements of transports and water properties through the Bering Strait, J. Geophys. Res., 100, 18433-18457, 1995.
62. Rudels, B.: The theta-S relations in the northern seas: Implications for the deep circulation, Polar Res., 4, 133-159, 1986.
63. Rudels, B., Jones, E. P., Anderson, L. G., and Kattner, G.: On the intermediate depth waters of the Arctic Ocean, in: Polar Oceans and Their Role in Shapi ng the Global Environment, edited by: Johanessen, O. M., Muench, R. D., and Overland, J. E., Geophysical Monograph 85, American Geophysical Union, Washington, 33-46, 1994.
64. Rudels, B., Anderson, L. G., and Jones E. P.: Formation and evolution of the surface mixed layer and halocline of the Arctic Ocean, J. Geophys. Res., 101, 8807-8822, 1996.
65. Rudels, B., Jones, E. P., Schauer, U., and Eriksson, P.: Atlantic sources of the Arctic Ocean surface and halocline waters, Polar Res., 23, 181-208, 2004. (Pubitemid 40067787)
66. Rudels, B.: Constraints on exchanges in the Arctic Mediterranean-do they exist and can they be of use, Tellus Series A, 62, 109 -122, 2010.
67. Rudels, B., Schauer, U., Björk, G., Korhonen, M., Pisarev, S., Rabe, B., and Wisotzki, A.: Observations of water masses and circulation in the Eurasian basin of the Arctic Ocean from the 1990s to the late 2000s, Ocean Sci., 9, 147- 169, doi:10.5194/os-9-147-2013, 2013.
68. Schauer, U., Muench, R. D., Rudels, B., and Timokhov, L.: Impact of Eastern Arctic shelf waters on the Nansen Basin intermediate waters, J. Geophys. Res., 102, 3371-3382, 1997.
69. Schauer, U. and Rohardt, G.: Physical oceanography during POLARSTERN cruise ARK-XII, Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, doi:10.1594/PANGAEA.742617, 1998.
70. Schauer, U., Fahrbach, E., Osterhus, S., and Rohardt, G.: Arctic warming through the Fram Strait: Oceanic heat transport from 3 yr of measurements, J. Geophys. Res., 109, C06026, doi:10.1029/2003JC001823, 2004. (Pubitemid 39174576)
71. Schauer, U. and Wisotzki, A.: Physical oceanography during POLARSTERN cruise ARK-XXII/2 (SPACE), Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, doi:10.1594/PANGAEA.733418, 2010.
72. Schauer, U., Rabe, B., and Wisotzki, A.: Physical oceanography during POLARSTERN cruise ARK-XXVI/3, Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, doi:10.1594/PANGAEA.774181, 2012.
73. Serreze, M. C., Barrett, A. P., Slater, A. G.,Woodgate, R. A., Aagaard, K., Lammers, R. B., Steele, M., Moritz, R., Meredith, M. and Lee, C. M.: The large-scale freshwater cycle of the Arctic, J. Geophys. Res., 111, C11010, doi:10.1029/2005JC003424, 2006. (Pubitemid 47386254)
74. Shimada, K., Carmack, E. C., Hatakeyama, K., and Takizawa, T.: Varieties of shallow temperature maximum waters in the Western Canadian Basin of the Arctic Ocean, Geophys. Res. Lett, 28, 3441-3444, 2001. (Pubitemid 32989779)
75. Shimada, K., Itoh, M., Nishino, S., McLaughlin, F. A., Carmack, E. C., and Proshutinsky, A.: Halocline structure in the Canada Basin of the Arctic Ocean, Geophys. Res. Lett., 32, L03605, doi:10.1029/2004GL021358, 2005. (Pubitemid 40578645)
76. Shimada, K., Kamoshida, T., Itoh, M., Nishino, S., Carmack, E. C., McLaughlin, F. A., Zimmermann, S., and Proshutinsky, A.: Pa-cific Ocean inflow: Influence on catastrophic reduction of sea ice cover in the Arctic Ocean, Geophys. Res. Lett., 33, L08605, doi:10.1029/2005GL025624, 2006. (Pubitemid 43950142)
77. Steele, M. and Boyd, T.: Retreat of the cold halocline layer in the Arctic Ocean, J. Geophys. Res., 103, 10419-10436, 1998.
78. Steele, M., Morley, R., and Ermold, W.: PHC: A global ocean hydrography with a high quality Arctic Ocean, J. Climate, 14, 2079-2087, 2001. (Pubitemid 33045339)
79. Steele, M., Morison, J., Ermold, W., Rigor, I., Ortmeyer, M., and Shimada, K.: Circulation of summer Pacific halocline water in the Arctic Ocean, J. Geophys. Res., 109, 2027-2044, 2004.
80. Stigebrandt, A.: The North Pacific: A global-scale estuary, J.Phys. Oceanogr., 14, 464-470, 1984.
81. Stroeve, J. C., Serreze, M. C., Holland, M. M., Kay, J. E., Maslanik, J., Barrett, A. P.: The Arctic s rapidly shrinking sea ice cover: A research synthesis, Climatic Change, 110, 1005-1027, 2012.
82. Swift, J. H., Jones, E. P., Aagaard, K., Carmack, E. C., Hingston, M., Macdonald, R. W., McLaughlin, F. A., and Perkin, R. G.: Waters of the Makarov and Canada basins, Deep-Sea Res. II, 44, 1503-1529, 1997. (Pubitemid 28159074)
83. Swift, J. H., Aagaard, K., Timokhov, L., and Nikiforov, E. G.: Longterm variability of Arctic Ocean waters: Evidence from a reanalysis of the EWG data set, J. Geophys. Res., 110, C03012, doi:10.1029/2004JC002312, 2005. (Pubitemid 40757830)
84. Thompson, D. W. J. and Wal lace, J. M.: The Arctic oscillation signature in the wintertime geopotential height and temperature fields, Geophys. Res. Lett., 25, 1297-1300, 1998. (Pubitemid 28437547)
85. Vinje, T.: Fram Strait ice fluxes and atmospheric circulation: 1950- 2000, J. Clim., 14, 3508-3517, 2001. (Pubitemid 33649601)
86. Wang, J., Zhang, J., Watanabe, E., Ikeda, M., Mizobata, K., Walsh, J. E., Bai, X., and Wu, B.: Is the dipole anomaly a major driver to record lows in Arctic summer sea ice extent, Geophys. Res. Lett., 36, L05706, doi:10.1029/2008GL036706, 2009.
87. Williams, B. and Zimmermann, S.: Joint Ocean Ice Study (JOIS) 2011 Cruise Report, Fisheries and Oceans Canada Institute of Ocean Sciences, Sidney, B.C., 68 pp., 2011.
88. Woodgate, R. A., Aagaard, K., Swift, J. H., Smethie, W. M., and Falkner, K. K.: Atlantic water circulation over the Mendeleev Ridge and Chukchi Borderland from thermohaline intrusions and water mass properties, J. Geophys.Res., 112, C02005, doi:10.1029/2005JC003416, 2007. (Pubitemid 47260909)
89. Woodgate, R. A.,Weingartner, T., and Lindsay, R.: The 2007 Bering Strait oceanic heat flux and anomalous Arctic sea-ice retreat, Geophys. Res. Lett., 37, L01602, doi:10.1029/2009GL041621, 2010.
90. Yamamoto-Kawai, M., McLaughlin, F. A., Carmack, E. C., Nishino, S., Shimada, K., and Kurita, N.: Surface freshening of the Canada Basin, 2003-2007: River runoff versus sea ice meltwater, J. Geophys.Res., 114, C00A05, doi:10.1029/2008 JC005000, 2009.
91. Zhang, Z. (Ed.): The Report of 2003 Chinese Arctic Research Expedition, China Ocean Press, Beijing, 229 pp., 2004.
92. Zimmermann, S., Eert, J., and McLaughlin, F.: Joint Ocean Ice Study (JOIS) 2007 Cruise Report, Fisheries and Oceans Canada Institute of Ocean Sciences, edited by: Sidney, B. C., 39 pp., 2007.