Original Research Papers
Northern Hemisphere sea ice variability: lag structure and its implications
Abstract
An analysis of satellite sea-ice records for recent decades reveals a highly coherent spatial and temporal structure of the Northern Hemisphere (NH) wintertime sea-ice variability and its close link to anomalous atmospheric circulation. The dominant mode of the wintertime sea-ice variability is characterized by a double-dipole composed of one dipole over the North Atlantic and the other over the North Pacific, which are mutually correlated interannually. This dominant sea-ice mode is lag correlated with the winter-averaged North Atlantic Oscillation (NAO) index at lags up to two winters when the NAO leads. In the sub-Arctic, significant lead—lag relationships exist between sea-ice extent (SIE) anomalies on regional scales, which are closely associated with atmospheric circulation anomalies. An eastward evolving pattern is identified in regional SIE anomalies from the Labrador to Nordic and farther to the Okhotsk Sea at multi-year time-scales, led by anomalously weak Aleutian and strong Icelandic lows. The results suggest the presence of climate memories over the North Atlantic and Eurasia, which are crucial for recent downward trends in the NH SIE by transforming atmospheric influences into slower changes in sea-ice conditions. The summer Okhotsk high, which leads to a sea-ice reduction along the east Siberian coast and further affects sea-ice conditions over the Arctic Ocean, is a key link between summer Arctic and winter sub-Arctic sea-ice trends. We also conjecture that variations and changes in the NH sea-ice conditions are linked to climate variability in the tropics.
References
-
Aagaard , K. and Carmack , E. C. 1989 . The role of sea ice and other fresh waters in the Arctic circulation . J. Geophys. Res . 94 , 14485 – 14498 .
-
Bengtsson , L. , Semenov , V. A. and Johannessen , 0. M. 2004. The early twentieth-century warming in the Arctic — A possible mechanism. J. Climate 17 , 4045-405 7 .
-
Blindheim , J. , Borovkov , V , Hansen , B. , Malmberg , S.-Aa. , Turrell , W. R. and co-authors. 2000. Upper layer cooling and freshening in the Norwegian Sea in relation to atmospheric forcing. Deep-Sea Res . 47 , 655 - 680 .
-
Bojariu , R. and Gimeno , L. 2003 . The role of snow cover fluctuations in multiannual NAO persistence . Geophys. Res. Lett . 30 , 1156 , doi: https://doi.org/10.1029/2002GL01651 .
-
Cassou , C. and Terry , L. 2001 . Dual influence of Atlantic and Pacific SST anomalies on the North Atlantic/Europe winter climate . Geophys. Res. Lett . 28 , 3195 – 3198 .
-
Cavalieri , D. J. , Gloersen , P. , Parkinson , C. L. , Comiso , J., C. and Zwally , H. J. 1997 . Observed hemispheric asymmetry in global sea ice changes. Science 278 , 1104 - 1106 .
-
Cavalieri , D. J. , Parkinson , C. L., Gloersen , R , Comiso , J. C. and Zwally , H. J. 1999 . Deriving long-term time series of sea ice Cover from satellite passive-microwave multisensor data sets. J. Geophys. Res . 104 , 15803 - 15814 .
-
Cavalieri , D. J. , Parkinson , C. L. and Vinnilcov , K. Y. 2003 . 30-year satellite record reveals contrasting Arctic and Antarctic decadal sea ice variability . Geophys. Res. Lett . 30 , 1970 , doi: https://doi.org/10.1029/2003GL018031 .
-
Chapman , W. L. and Walsh , J. E. 1993 . Recent variations of sea ice and air temperature in high latitudes . Bull. Am. MeteoroL Soc . 74 , 33 – 47 .
-
Cohen , J. and Entekhabi , D. 1999 . Eurasian snow cover variability and Northern Hemisphere climate predictability . Geophys. Res. Lett . 26 , 345 – 348 .
-
Comiso , J. C. 2002 . A rapidly declining perennial sea ice cover in the Arctic . Geophys. Res. Lett . 29 , 1956 , doi: https://doi.org/10.1029/2002GL015650 .
-
Deser , C. , Walsh , J. E. and Timlim , M. S. 2000 . Arctic sea ice variability in the context of recent atmospheric circulation trends . J. Climate 13 , 617 – 633 .
-
Deser , C. , Holland , M. , Reverdin , G. and Timlin , M. 2002 . Decadal variations in Labrador Sea ice cover and North Atlantic sea surface temperature . J. Geophys. Res . 107 , 10 . 1029/2000JC00068 3 .
-
Deser , C. , Alexander , M. A. and Timlin , M. S. 2003 . Understanding the persistence of sea surface temperature anomalies in midlatitudes . J. Climate 16 , 57 – 72 .
-
Dickson , R. R. , Osborn , T. J. , Hurrell , J. E. , Meincke , J. , Blindheim , J. and co-authors . 2000. The Arctic Ocean response to the North Atlantic Oscillation. J. Climate 13 , 2671-269 6 .
-
Dong , B.-W. , Sutton , R. T. , Jewson , S. R , O’Neill , A. and Slingo , J. M. 2000 . Predictable winter climate in the North Atlantic sector during the 1997-1999 ENSO cycle . Geophys. Res. Lett . 27 , 985 – 988 .
-
Fraedrich , K. 1990 . Grosswetter during the warm and cold extremes of the El Nino/Southern Oscillation . Int. J. Climatol . 10 , 21-31 , 1990 .
-
Hoerling , M. P. , Hurrell , J. W. , Xu , T. , Bates , G. T. and Phillips , A. S. 2004 . Twentieth century North Atlantic climate change. Part II: understanding the effect of Indian Ocean warming . Clim. Dyn . 23 , 391 – 405 .
-
Horel , J. D. and Wallace , J. M. 1981 . Planetary-scale atmospheric phenomena associated with the Southern Oscillation. Mon. Wea. Re v . 109 , 813 – 829 .
-
Hurrell , J. W. 1995 . Decadal trends in the North Atlantic Oscillation: Regional temperatures and precipitation . Science 269 , 90 – 92 .
-
Hurrell , J. W. , Hoerling , M. P. , Phillips , A. S. and Xu , T. 2004 . Twentieth century North Atlantic climate change. Part I: assessing determinism . Clim. Dyn . 23 , 371 – 389 .
-
Ikeda , M. 1990 . Decadal oscillations of the air-ice-ocean system in the Northern Hemisphere . Atmos.-Ocean 28 , 106 – 139 .
-
Kauker , F. , Rudiger , R. , Karcher , M. , Koberle , C. and Lieser , J. L. 2003 . Variability of Arctic and North Atlantic sea ice: A combined analysis of model results and observations from 1978 to 2001 . J. Geophys. Res . 108 , 10 . 1029/2002JC00157 3 .
-
Lu , J. , Greatbatch , R. J. and Peterson , K. A. 2004 . Trend in Northern Hemisphere winter atmospheric circulation during the last half of the twentieth century . J. Climate 17 , 3745 – 3760 .
-
Marshall , G. J. and King , J. C. 1998 . Southern Hemisphere circulation anomalies associated with extreme Antarctic Peninsula winter temperatures . Geophys. Res. Lett . 25 , 2437 – 2440 .
-
Mysak , L. A. and Venegas , S. A. 1998 . Decadal climate oscillations in the Arctic: A new feedback loop for atmosphere-ice-ocean interactions . Geophys. Res. Lett . 25 , 3607 – 3610 .
-
Nakamura , H. and Fukamachi , T. 2004 . Evolution and dynamics of summertime blocking over the Far East and the associated surface Okhotsk high . Quart. J. Roy. Meteor Soc . 130 , 1213 – 1233 .
-
Niebauer , H. J. 1998 . Variability in Bering Sea ice cover as affected by a regime shift in the North Pacific in the period of 1947-1996 . J. Geophys. Res . 103 , 27717 – 27737 .
-
Ogi , M. , Tachibana , Y. and Yamazaki , K. 2004a . The connectivity of the winter North Atlantic Oscillation (NAO) and the summer Okhotsk high . J. Meteo. Soc. Japan 82 , 905 – 913 .
-
Ogi , M. , Ymazaki , K. and Tachibana , Y. 2004b . The summertime annular mode in the Northern Hemisphere and its linkage to the winter mode . J. Geophys. Res . 109 , 10 . 1029/2004JD00451 4 .
-
Overland , J. E. and Turet , P. 1994 . Variability of the atmospheric energy flux across 70°N computed from the GFDL data set . Geophys. Monogr. 84, AGU , 313 – 325 .
-
Parkinson , C. L. 1990 . The impact of the Siberian high and Aleutian low on the sea-ice cover of the Sea of Okhotsk . Ann. Glaciol . 14 , 226 – 229 .
-
Parkinson , C. L. 2000 . Recent trend reversals in Arctic sea ice extents: Possible connections to the North Atlantic Oscillation . Polar Geography 24 , 1 – 12 .
-
Parkinson , C. L. , Cavalieri , D. J. , Gloersen , R , Zwally , H. J. and Comiso , J. C. 1999 . Arctic sea ice extents, areas, and trends, 1978-1996 . J. Geophys. Res . 104 , 20837 – 20856 .
-
Partington , K. , Flynn , T. , Lamb , D. , Bertoia , C. and Dedrick , K. 2003 . Late twentieth century Northern Hemisphere sea-ice record from U. S. National Ice Center ice charts. J. Geophys. Res . 108 , doi: https://doi.org/10.1029/2002JC001623 .
-
Pozo-Vazquez , D. , Esteban-Parra , M. J. , Radrigo , F. S. and Castro-Diez , Y. 2001 . The association between ENSO and winter atmospheric circulation and temperature in the North Atlantic region . J. Climate 14 , 3408 – 3420 .
-
Rigor , I. G. and Wallace , J. M. 2004 . Variations in the age of Arctic sea-ice and summer sea-ice extent. Geophys. Res. Lett . 31 , doi: https://doi.org/10.1029/2004GL019492 .
-
Robock , A. , Mu , M. , Vinnikov , K. and Robinson , R. 2003 . Land surface conditions over Eurasia and Indian summer monsoon rainfall. J. Geophys. Res . 108 , DOI: https://doi.org/10.1029/2002JDO02286 .
-
Rogers , J. C. and van Loon , H. 1979 . The seesaw in winter temperatures between Greenland and northern Europe. Part II Some oceanic and atmospheric effects in middle and high latitudes. Mon. Wea. Re v . 107 , 509 – 519 .
-
Rothrock , D. A. , Zhang , J. and Yu , Y. 2003 . The Arctic ice thickness anomaly of the 1990s: A consistent view from observations and models. J. Geophys. Res . 108 , doi: https://doi.org/10.1029/2001JC001208 .
-
Serreze , M. C. , Walsh , J. E. , Chapin , E S. BI , Osterkamp , T. , Dyurgerov , M. and co-authors 2000 . Observational evidence of recent change in the northern high-latitude environment. Climatic Change 46 , 159 - 207 .
-
Serreze , M. C. , Lynch , A. H. and Clark , M. P. 2001 . The Arctic frontal zone as seen in the NCEP-NCAR reanalysis . J. Climate 14 , 1550 – 1567 .
-
Stroeve , J. , Serreze , M. C. , Fetterer , F. , Arbetter , T. , Meier , W. and co-authors. 2005. Tracking the Arctic’s shrinking ice cover: Another extreme September minimum in 2004. Geophys. Res. Lett ., 32 , doi: https://doi.org/10.1029/2004GL021810 .
-
Tachibana , Y. , Iwamoto , T. and Ogi , M. 2004 . Abnormal meridional temperature gradient and its relation to the Okhotsk high . J. Met. Soc. Japan , 82 , 1399 – 1415 .
-
Thompson , D. J. W. and Wallace , J. M. 1998 . The Arctic Oscillation in the wintertime geopotential height and temperature fields . Geophys. Res. Lett . 25 , 1297 – 1300 .
-
Trenberth , K. E. 1990 . Recent observed interdecadal climate changes in the Northern Hemisphere . Bull. Am. Meteorol. Soc . 71 , 988 – 992 .
-
Trenberth , K. E. and Paolino , D. A. 1980 . The Northern Hemisphere sea level pressure data set: Trends, errors, and discontinuities. Mon. Wea. Re v . 108 , 855 – 872 .
-
Turner , J. 2004 . The El Nino-Southern Oscillation and Antarctica . Int. J. Climatol . 24 , 1 – 31 .
-
van Loon , H. and Rogers , J. C. 1978 . The seesaw in winter temperatures between Greenland and northern Europe. Part I General description . Mon Wea. Re v . 106 , 296 – 310 .
-
Vinje , T. 2001 . Anomalies and trends of sea-ice extent and atmospheric circulation in the Nordic Seas during the period 1864-1998 . J. Climate 14 , 255 – 267 .
-
Wallace , J. M. 2000 . North Atlantic Oscillation/annular mode: Two paradigms — one phenomenon . Q. J. R. MeteoroL Soc . 126 , 791 – 805 .
-
Wallace , J. M. and Gutzler , D. S. 1981 . Teleconnections in the geopotential height field during the Northern Hemisphere winter. Mon. Wea. Re v . 109 , 784 – 812 .
-
Walsh , J. E. , Chapman , W. L. and Shy , T. L. 1996 . Recent decrease of sea level pressure in the central Arctic . J. Climate 9 , 480 – 486 .
-
Watanabe , M. and Nitta , T. 1998 . Relative importance of snow and sea surface temperature anomalies on an extreme phase in the winter atmospheric circulation . J. Climate 11 , 2837 – 2857 .
-
Watanabe , M. and Nitta , T. 1999 . Decadal changes in the atmospheric circulation and associated surface climate variations in the Northern Hemisphere . J. Climate 12 , 494 – 510 .
-
Wijffels , S. E. , Schmitt , R. W. , Bryden , H. L. and Stigebrandt , A. 1992 . Transport of freshwater by the oceans . J. Phys. Oceanogr . 22 , 155 – 162 .
-
Yuan , X. and Martinson , D. G. 2000 . Antarctic sea ice extent variability and its global connectivity . J. Climate 13 , 1697 – 1717 .